topic 4 — variable annuities and other structured products...
TRANSCRIPT
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Fina556 – Structured Products and Exotic Options
Topic 4 — Variable annuities and other structured products
Variable Annuities
• Insurance companies have created a variety of products that
enable their policyholders to participate in bull markets while
also providing downside protection in bear markets.
• Variable annuity policies exist to attract investment dollars to
insurance companies from the mutual fund investments that
they resemble.
• The main benefit from a VA policy is the accumulated invest-
ment; additional benefits come from policy “rider” – secondary
features attached to an insurance policy.
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• A variable annuity is a contract between you and an insurance
company, under which the insurer agrees to make periodic pay-
ments to you, beginning either immediately or at some future
date. You purchase a variable annuity contract by making either
a single purchase payment or a series of purchase payments.
• A variable annuity offers a range of investment options. The in-
vestment options are typically mutual funds that invest in stocks,
bonds, money market instruments, or some combination of the
three.
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Although variable annuities are typically invested in mutual funds,
variable annuities differ from mutual funds in several important ways:
1. Variable annuities let you receive periodic payments for the
rest of your life (or the life of your spouse or any other person
you designate).
The feature offers protection against the possibility that, after
you retire, you will outlive your assets.
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2. Variable annuities are tax-deferred.
• You pay no taxes on the income and investment gains from
your annuity until you withdraw your money.
• You may also transfer your money from one investment op-
tion to another within variable annuity without paying tax at
the time of the transfer.
• When you take your money out of the variable annuity, how-
ever, you will be taxed on the earnings at ordinary income
tax rates rather than lower capital gains rates.
• In general, the benefits of tax deferral will outweigh the costs
of a variable annuity only if you hold it as a long-term invest-
ment to meet retirement and other long-range goals.
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3. Variable annuities have a death benefit.
• If you die before the insurer has started making payments
to you, your beneficiary is guaranteed to receive a specified
amount – typically at least the amount of your purchase pay-
ments.
• Your beneficiary will get a benefit from this feature if, at
the time of your death, your account value is less than the
guaranteed amount
Variable annuities are not suitable for meeting short-term
goals because substantial taxes and insurance company charges
may apply if you withdraw your money early. Variable annu-
ities also involve investment risks, just as mutual funds do.
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Accumulation phase and payout phase
• During the accumulation phase, you make purchase payments,
which you can allocate to a number of investment options. The
money you have allocated to each mutual fund investment op-
tion will increase or decrease over time, depending on the fund’s
performance.
• In addition, variable annuities often allow you to allocate part
of your purchase payments to a fixed account. A fixed account,
unlike a mutual fund, pays a fixed rate of interest. The insurance
company may reset this interest rate periodically, but it will
usually provide a guaranteed minimum (e.g. 3% per year).
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Example
You purchase a variable annuity with an initial purchase payment of
$10,000. You allocate 50% of that purchase payment ($5,000) to
a bond fund, and 50% ($5,000) to a stock fund. Over the following
year, the stock fund has a 10% return, and the bond fund has a 5%
return. At the end of the year, your account has a value of $10,750
($5,500 in the stock fund and $5,250 in the bond fund), minus fees
and charges.
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• During the accumulation phase, you can typically transfer your
money from one investment option to another without paying
tax on your investment income and gains, although you may be
charged by the insurance company for transfers.
• If you withdraw money from your account during the early years
of the accumulation phase, you may have to pay “surrender
charges”. You may have to pay a 10% federal tax penalty if you
withdraw money before the age of 591/2.
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Payout phase
• You may receive your purchase payments plus investment income
and gains (if any) as a lump-sum payment, or you may choose
to receive them as a stream of payments at regular intervals
(generally monthly).
• Under most annuity contracts, you can choose to have your
annuity payments last for a period that you set (such as 20
years) or for an indefinite period (such as your lifetime or the
lifetime of you and your spouse or other beneficiary).
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• During the payout phase, your annuity contract may permit you
to choose between receiving payments that are fixed in amount
or payments that vary based on the performance of mutual fund
investment options.
The amount of each periodic payment will depend, in part, on
the time. Some annuities do not allow you to withdraw money
from your account once you have started receiving regular an-
nuity payments.
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Guaranteed Minimum Withdrawal Benefit (GMWB)
• This provides the policyholder with an option to withdraw a
certain fixed percentage (seven percent is typical) of the initial
deposit every year until the entire principal is returned.
• Assume an investor invests $100, 000 in a contract with this
feature. This amount is placed in an investment account that
behaves like a mutual fund.
• Assuming a seven percent withdrawal allowance, the policy-
holder could withdraw $7,000 each year until the total with-
drawals reach $100,000. This would take just over 14 years.
Note the policyholder can withdraw the funds irrespective of
how the investment account performs.
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Numerical example
• Suppose the investment account earns ten percent in the first
two years but earns returns of minus sixty percent in each of the
next three years. The situation would like this:
Year Rate
earned
during
the year
Fund after
withdrawals
Fund after
withdrawals
Amount
withdrawn
Guaranteed
remaining
balance
1 10% 110,000 103,000 7,000 93,0002 10% 113,300 106,300 7,000 86,0003 −60% 42,520 35,520 7,000 79,0004 −60% 4,208 7,208 7,000 72,0005 −60% 2,883 0 7,000 65,000
• At the end of year five before any withdrawal the value of the
fund, $2,883, is not enough to cover the withdrawal payment
of $7,000.
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At this stage the guarantee kicks in: the value of the fund is set
to zero and the policyholder’s ten remaining withdrawal payments
are financed under the insurance company guarantee. The poli-
cyholder’s income stream is protected irrespective of the market
performance.
• If the market does really well the policyholder participates in
this growth. Suppose the investment account grows at a com-
pound annual rate of ten percent the policyholder would have
an account value of $183,925 after fourteen years.
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What sort of option our investor has acquired under this rider?
To simplify matters, assume the policyholder starts taking the with-
drawal benefit annually from the end of the first year. The package
can be viewed as a guaranteed annuity – certain of $7,000 per
annum for 14 years plus a 14-year European call option on the in-
vestment account.
• Recall that the account is depleted by the periodic withdrawals
so there is a chance it will be wiped out.
• The strike price on this call option is zero, because the policy-
holder is entitled to the full account balance after the fourteen
years.
• If the market does well there will be funds left at the end whereas
if performance is bad the account balance will have shrunk to
zero before the principal is repaid and will remain there.
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How the benefit is funded?
• A common way is using a percentage deducting from the ac-
count balance.
• For a contract with a seven percent withdrawal allowance, a
typical charge is around 40 to 50 basis points. (This can be
charged against the account value or the guaranteed remaining
balance.)
• The insurance company receives this fee for providing the guar-
anteed withdrawal option.
• So if the fund earned ten percent in the first year and the fee
was fifty basis points the effective return to policyholder is 9.5
percent.
• The insurance company receives this fee as long as there is a
positive balance in the account. Should the account go to zero
the fee income stops.
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Put option
• The assets in the account balance are being held by a third party
such as a mutual fund; they are not owned by the insurer. So we
can also regard the benefit provided by the insurance company
in terms of a put option.
• If the investment account stays positive there is no payment
under the put option.
• The option is exercised automatically when the account balance
first becomes zero. As soon as this happens the insurer is on
the hook for the remaining stream of withdrawal payments. So
we see this is a put option with a random exercise time.
• In a perfect world the market value of this put option should be
equal to the market value of the contributions. We have noted
that these contributions continue as long as the put option is
extant.
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Static withdrawal model – continuous version
• The withdrawal rate G is fixed throughout the life of the policy.
• When the personal account value Wt ever reaches 0, it stays at
this value thereafter (absorbing barrier).
τ = inf{t : Wt = 0}, τ is the first passage time of hitting 0.
Under the risk neutral measure Q, the dynamics of Wt is gov-
erned by
dWt = (r − α)Wt dt + σWt dBt − G dt, t < τ
Wt = 0, t ≥ τ
W0 = w0
policy value = EQ
[∫ T
0Ge−ru du
]+ EQ[e−rT WT ].
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Consider the modified unrestricted stochastic process:
dW̃t = (r − α)W̃t dt − G dt + W̃t dBt
W̃0 = w0.
Lemma If W̃T > 0, then W̃t > 0 for any t < T .
Once the process W̃t becomes negative, it will never return to the
positive region. This is because when W̃t = 0, only the drift term
−G dt survives, which always pulls W̃t into the negative region.
Note that
WT = W̃T1{τ>T} = W̃T1{W̃T>0}= max(W̃T ,0).
WT = 0 if and only if τ ≤ T .
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Solving for W̃t, we obtain
W̃t = Xt
(w0 − G
∫ t
0
1
Xudu
)
where
Xt = e
(r−α+σ2
2
)t+σBt
.
The terminal payoff
max(W̃T ,0) = GXT
(w0
G−∫ T
0
1
Xudu
)+
, x+ = max(x,0).
Defining A =1
T
∫ T
0
1
Xudu and observing T =
w0
G, we obtain
EQ[W̃+T ] = w0EQ[XT (1 − A)+].
G du
Xuis the number of units withdrawn over (u, u+du), and its value
at maturity T isGXT
Xudu.
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Equity-linked notes (Hong Kong examples)
• Callable dual accrual cash or share security
• Early redemption equity-redeemable warrants
• Super certificate (lookback minimum and lock-in level)
• Target redemption notes
• Guaranteed equity bonds
• Guaranteed annuity options
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24 Month Callable Dual Accrual Cash or Share Security
On Wal-Mart Stores, Inc and Intel Corp.
issued by Merrill Lynch (Feb. 9, 2006)
Payment/delivery on the maturity date
• If the settlement prices of BOTH the underlying stocks are higher
than or equal to the respective exercise price, each warrant holder
will receive 100% of the notional amount per warrant held.
• If either one of the settlement prices is lower than the respective
exercise price, each holder will receive per warrant physical
delivery of a number of the “Worst performing” stock equal to
Notional amount / exercise price of worse performing stock
It is a forced conversion when the share prices decline (opposite
effect to that of a convertible bond).
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Issue size: 10,000,000 warrants
Minimum subscription: 100,000 warrants
Notional Amount: USD 1 per warrant
Issue Price: 100% of the Notional Amount
Trade Date: Feb. 9, 2006
Issue Date: Feb. 23, 2006
Valuation Date: Feb. 11, 2008
Maturity Date: Feb. 19, 2006
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Underlying stocks (uncorrelated)
Reference price Exercise price
Wal-Mart Stores Inc. USD 45.48 USD 39.5676
Intel Corp USD 20.77 USD 18.0699
• Exercise price = 87% x reference price
Terminal payoff = min (1, min(S1(T)/S1*,S2(T)/S2*))
= 1- max(1 - min(S1(T)/S1*,S2(T)/S2*), 0),
where A1* and S2* are the reference prices of asset 1 and asset 2.
The investor shorts a put on the minimum of two assets.
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Additional coupon (accrual feature)
Unless the warrants have been called, over each observation period (3-month
period), the holder receives
4.075% x n /N of notional amount
where N = number of New York Business Days in the period in the applicable
Observation Period;
n = number of New York Business Days in the applicable Observation
Period on which the closing prices of BOTH the Underlying Stocks
are at or above the respective Exercise Price.
This is like an accrual note with the underlying index being the
minimum of two share prices. The accrual feature can be viewed as
a series of daily binary options which pay
4.075%/N x notional amount
when
min(S1(T)/S1*,S2(T)/S2*) > 1.
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Overall description
• The investor believes that the prices of BOTH underlying
shares at maturity will remain at a level above or equal to
their respective Exercise Prices, earning an enhanced yield.
• The warrant pays out a fixed 4.075% coupon for the first
quarter.
• The coupon received would depend on the trading path of
BOTH underlying stocks due to the accrual feature.
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• Issuer’s Call: On any of the Observation Date, provided that
BOTH underlying stocks are greater than or equal to the
reference prices, the issuer can call by paying 100% of the
Notional Amount. This occurs when the value of the
embedded put is less than the present value of the enhanced
yield over the remaining period. This “call” right given to
the issuer is like a Bermudan put option.
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Risks
1. Market risks – underlying shares
2. Credit risk – default of Merrill Lynch
3. Liquidity risk – will not be listed on any securities exchange
and do not expect a trading market with only Merrill Lynch as a
possible buyer.
4. Interest rate risk – bond component: par plus coupons and
issuer’s call.
warrant = bond (series of binary options – accrual feature)
- European put on minimum of two uncorrelated stocks
- issuer’s call (Bermudan put)
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2-Year JPY Early Redemption Equity-Redeemable
(“ER”) Warrants Linked to a Basket of Japan
Equities (Japan Basket ER Warrants)
Type of investor
• He holds the belief that over the next two years the prices of
all of the shares in the Japan Share Basket will not decline
by more than 12.00% from their respective Reference Price.
• He must be willing to take delivery of the worst two
performing shares if any of the shares in the basket falls
below their respective Strike Price at the Valuation Date.
This product is not principal-protected.
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Japan Share Basket : A basket made up of the 5 shares as shown in
the table below:
NameBloomberg
Code
Reference
Price
Strike
Price
Trigger
Price
Mitsubishi Estate Co. Ltd. 8802 JT JPY 1,146 JPY 1,008.48 JPY 1,123.08
Sumitomo Realty 8830 JT JPY 1,185 JPY 1,042.80 JPY 1,161.30
Nippon Building Fund Inc. 8951 JT JPY 987,000 JPY 858,560 JPY 967,260
Japan Real Estate Investment Corp. 8952 JT JPY 890,000 JYP 783,200 JPY 872,200
Japan Prime Realty Investment Corp. 8955 JT JPY 322,000 JYP 283,360 JPY 315,560
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Issue Size : 1,000,000,000 warrants
Minimum Subscription : JPY 10,000,000
Notional Amount : JPY 1,000,000,000
Issue Price : 100%
Trade Date : 14 June 2005
Issue Date : 28 June 2005
Maturity Date : 28 June 2007, subject to the following
business day convention
Periodic payment : Payable quarterly in arrear on each
Periodic Payment Date and accruing on
1 30/360 basis at the Periodic Payment
Rate
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Reference Price : Executed price of each Share in the Share Basket
on Trade Date
Settlement Price : Closing price of each Share in the Share Basket
on the last Observation Date, as determined by
the Calculation Agent
Strike Price : 88.00% of the Reference Price of each Share in
the Share Basket
Trigger Price : 98.00% of the Reference Price of each Share in
the Share Basket
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Periodic Payment Rate : For the first period, from the issue date to
the first Periodic Payment Date, 10.00%
p.a. fixed in the first period
Thereafter, 10.00% p.a. if the closing
prices of all the Shares in the Share
Basket are at or greater than their
respective Strike Prices on an
Observation Date. Otherwise, the
Periodic Payment Rate is deemed to be
1.00 p.a..
Early Redemption by
Issuer :
If the closing prices of all the Shares in
the Share Basket are at or greater than
their respective Trigger Prices on an
Observation Date, the Warrants will be
redeemed in full at 100% of the Notional
Amount together with accrued interest
on the related Periodic Payment Date.
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Worst Performing Share : The Share in the Share Basket which
has the lowest value on Valuation Date
according to the following formula:
(Settlement Price / Reference Price) 1
Redemption at Maturity
Date :
On the last Observation Date:
(1) If the Settlement Prices of ALL the
Underlying Stocks are higher than or
equal to their respective Strike Price,
each holder of the ER Warrant will
receive 100.00% of the Notional
Amount per warrant held.
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(2) If the Settlement Price of ANY of
the Underlying Stocks are lower than
their respective Strike Price, each
warrant holder will on the maturity
Date receive per Warrant physical
delivery of the Worst Performing
Share equal to:
Any fraction of a trading lot of the
Shares to be delivered shall be paid
out in JPY cash at a price calculated
using the relevant Settlement Price.
Stock"PerformingWorst" theofPriceStrike
AmountNotional
Settlement Currency : JPY
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Payout at any Observation Date
Performance
on relevant
Observation Date
Periodic Payment
(p.a.)
Redemption
prior to Maturity
25% 10.00% Yes, Redeems Par
10% 10.00% Yes, Redeems Par
5% 10.00% Yes, Redeems Par
3% 10.00% Yes, Redeems Par
0% 10.00% Yes, Redeems Par
-1% 10.00% Yes, Redeems Par
-2% 10.00% Yes, Redeems Par
-3% 10.00% No, Warrant Continues
-5% 10.00% No, Warrant Continues
-10% 10.00% No, Warrant Continues
-25% 1.00% No, Warrant Continues
-50% 1.00% No, Warrant Continues
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Payout at Maturity if not Early Terminated (i.e. Warrant is held to
Maturity Date)
Performance
on relevant
Observation Date
Periodic Payment
(p.a.)
Redemption
prior to Maturity
25% 10.00% Par in Cash
10% 10.00% Par in Cash
5% 10.00% Par in Cash
3% 10.00% Par in Cash
0% 10.00% Par in Cash
-1% 10.00% Par in Cash
-2% 10.00% Par in Cash
-3% 10.00% Par in Cash
-5% 10.00% Par in Cash
-10% 10.00% Par in Cash
-25% 1.00% 85.23% in Shares
-50% 1.00% 56.82% in Shares
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Summary
• Juicy coupons for potential short life if stock prices stay
above the trigger prices (98%). The juicy coupons in the
early coupon represents the premium of the put option sod
to the issuer.
• When the stock prices fall below the strike prices (88%), the
coupon reduces to 1% pa. In addition, the investor receives
the worst performing stock at maturity.
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Issuer : BNP Paribas (AA/Aa2)
Issue Amount : USD3,000,000
Determination Date : 21 June 2007 (The Valuation Date)
Maturity Date :
Issue price : 100% of Note Denomination
Coupon : Zero
28 June 2007 (5 Busines Days after
Determination Date)
2-Year USD Super Certificate Plus
(with lookback minimum and lock-in Level)
Linked to Basket
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I Name RIC S i ,0 K i S Barrier, i S Lock-in, i
1 Lloyds TSB Group Plc. LLOY.L GBP4.735 GBP4.735 GBP3.3145 GBP5.2085
2 Altria Group, Inc. MO.N USD66.85 USD66.85 USD46.795 USD73.535
3China Petroleium and
Chemical Copr. (Sinopec)0386.HK HKD2.90 HKD2.90 HKD2.03 HKD3.19
Share Basket : A basket made up of the 3 shares
(each being a "Share") as shown
in table below.
Note Denomination
(ND): USD50,000 face value
Particpation Rate
(PR): 320%
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Initial Spot Price of
ith
Share (S i ,0):
Reference Price of
ith
Share (K i ):
Barrier Price of
ith
Share (S barrier, i ):
Lock-in Levels :
The market price of the ith
Share as shown in the table
above.
100% of Initial Spot Price of the ith
Share in the
Share Basket.
70% of Initial Spot Price of the ith
Share in the
Share Basket.
110% of Initial Spot Price of the ith
Share in the
Share Basket.
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Final Spot Price of
ith Share (S i,f ) :
Final Reference Exchange
Rate for GBP (FX f ) :
Final Reference Exchange
Rate for HKD (FX f ) :
Hong Kong Time on the Valuation Date.
(Determination Date).
The price of the ith Share
on the Valuation Date.
The mid-market USD:GBP exchange rate
as per Reuters page :GBP-" at 17:30
London Time on the valuation Date.
(Determination Date).
The mid-market USD:HKD exchange rate
as per Reuters page "HKD=" at 16:00
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Worst Performing :
Share value (the "Worst Performance") on the
Valuation Date (Determination Date)
according to the following formula.
Mathematically, Worst Performance is
defined by the following formula
Means the Share that has the lowest value
%10010,
,
i
fi
S
S
%1001ePerformanc0,
,
i
fi
worstS
S
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Share Amount : If the Worst Performing Share is denominated GBP (HKD),
Share Amount shall mean a quantity of the Worst
Performing Share equal to
(a) an amount in GBP (HKD), equal to the Note
Denomination converted into GBP using the Final
Reference Exchange Rate for EUR, divided by
(b) the Reference Price of the Worst Performing Share;
rounded to the nearest integer.
If the Worst Performing Share is denominated USD, Share
Amount shall mean a quantity of the Worst Performing
Share equal to the Note Denomination divided by the
Reference Price of the Worst Performing Share; rounded to
the nearest integer.
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Monitoring Period : The period from and including the Launch Date
to and including the Valuation Date.
Barrier Event : A Barrier Event is deemed to have occurred if
the price of at least one Share at the Valuation
Time is at or below its corresponding Barrier
Price on any Exchange Business Day during the
Monitoring Period.
Look-back Period : The period from and including the Launch Date
to and including 21 December 2005.
Call Strike Level ( ) : Means the lowest daily closing price level
observed as compared against the
corresponding Initial Spot Price during the
Look-back Period, subject to a minimum of
90% and a maximum of 100%.
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where
and where is the lowest daily closing
price observed in respect to the ith Share during
the look-back Period.
MinimumLookback,3to1
Min ii
S
Minimum
iS
%90,Max100%,Min0,
Minimum
MinimumLookback,
i
ii
S
SS
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Lock-in Event : A Lock-in Event is deemed to have occurred if
the prices of all Shares, at the Valuation Time
on an Exchange Business Day during the
Monitoring Period, are at or above their
corresponding Lock-in Prices in respect of a
particular Lock-in Level; such Lock-in Level is
then deemed to have been reached. For the
avoidance of doubt, more than one Lock-in
Event can occur during the Monitoring Period.
Actual Lock-in Level : The highest Lock-in Level reached among the
Lock-in Levels reached in respect of all Lock-in
Events where applicable.
(PerformanceLocked)
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Redemption Amount : (Case 1): If the at least one lock-in Event has
occurred during the Monitoring Period, the
Issuer shall pay the Note holder the following
amount in respect of each Note held on
Maturity Date.
Case 1 occurs when at least one share has increased by more than 10%.
This is called a lock-in event. In this case, it is principal protected plus
extra percentage based on the stock performance.
at maturity
,Min,1ePerformancMax%1000,
,
3to1Locked
i
fi
i S
SPRND
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(Case 2): If Lock-in Event has not occurred
during the Monitoring Period and that
(Case 2a): Barrier Event has not occurred
during the Monitoring Period, the Issuer
shall pay the Note holder the following
amount in respect of each Note held on
Maturity Date.
,Min,0Max%1000,
,
3to1i
fi
i S
SPRND
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(Case 2b): at least one Barrier Event has
occurred during the Monitoring Period.
(Case 2b-i): and if Performanceworst
0, that is the Worst Performance is
greater than or equal to zero, the
Issuer shall pay the Note holder the
following amount in respect of each
Note held on Maturity Date.
,,0Max%1000,
,
3to1i
fi
i S
SMinPRND
or
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(Case 2b-ii): and if Performanceworst<
0, that is the Worst Performance is
less than zero, the Issuer shall pay to
the Note holder the Share Amount
(fractional entitlement will be subject
to cash settlement) AND shall pay the
Note holder the follow amount (if the
amount is greater than zero) per Note
in respect of each Note held on
Maturity Date.
,,0Max0,
,
3to1i
fi
i S
SMinPRND
where
%1001MinePerformanc0,
,
3to1worst
i
fi
i S
S
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1. To the note holder, it is most desirable to have
(a) A small value of . This occurs when there are drops in the share prices
during the lookback period.
(b) A higher performanceLocked value (which can be greater than 10%). It is easier
to be achieved when the share prices are more correlated.
2. Cases 2a and 2b-i are principal protected.
3. When knock-out event occurs and performanceworst < 0 [Case 2b(ii)], the note holder
acquires the share plus some cash compensation. In this case, the note is not
principal protected.
Remark
Complexity almost for the sake of complexity. The structures are “opaque” for both
parties – cannot really work out where the value lies. Product controllers have trouble
marking to market.
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Target redemption notes
Example 7.5% USD Target Redemption Index Linked Deposit (issued
by Bank of East Asia, 2004)
Selling points - Enjoy potentially higher returns with Index Linked
Deposit
• 100% principal protection plus 7.5% guaranteed coupon return over
a maximum of 5-year investment period.
• 1st year annual coupon is guaranteed at 6.5% (very juicy), payable
semi-annually.
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• The remaining coupon rate of 1% will be based on the LIBOR
movement. The inverse floater formula is
However, the total coupon received will not shoot beyond the
target rate of 7.5%. If the coupon payment accrued during the
deposit period is less than the target rate, then the remaining
amount will be paid at maturity.
max{7% 2 6-month LIBOR (in arrears), 0}
Early termination
Once the accumulated coupon payment reached the target rate, the
deposit will be terminated automatically.
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Worst scenario
The deposit is held for 5 years until maturity so that the annual return for
the deposit is only 1.5% per annum.
Market background
The US Fed policy makers voted unanimously to keep the Fed Fund Rate
unchanged at 1% on 28 October 2003, the lowest level in the past 45
years. They had indicated that the interest rate would remain at a low
level for a considerable period.
Potential risk
If the 6-month LIBOR rises beyond 3.5% one year afterwards and never
come down again. The deposit is then held for 5 years until maturity.
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Equity target redemption notes
SG Product
• 10-year fund that is 100% capital guaranteed
• Pay a juicy fixed coupon of 10% in the first year
• For Year Two, the coupon payment is referenced to the average
performance of the 6 worst stocks in a basket of 24 blue-chip stocks.
• From Year Three onwards, the investor gets the better of the previous
year’s coupon or the payout formula.
• Once the aggregate coupon payments reaches or exceeds 20%, the
fund terminates with full payment of the coupon for that year.
max{0,10% + 0.5 average performance of the 6 worst stocks}
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Worst scenario: 10-year fund with total coupon of 20%
Blending equity and rates
• Design products that have both equity and fixed-income risk.
• The equity and fixed-income markets typically offset each other
during economic downturns, therefore hedging the investor
against excessive downside in one market.
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Guaranteed equity bonds (GEBs)
• The issuer (usually an insurance company) guarantees a
stated interest rate and some protection from loss of
initial capital, and provides an opportunity to earn
additional interest based on the performance of an
equity market index (say, Standard and Poor’s 500
Composite Stock Price Index).
• GEBs credit interest using a formula based on changes
in the index to which it is linked. It enables investors to
achieve potential capital appreciation by participating in
the positive performance of the index but also provide
investors with a guaranteed minimum return of their
investment at maturity.
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Term
The index term is the period over which index-linked interest is
calculated. Interest is credited to the investor at the end of a term.
Participation Rate
The participation rate decides how much of the increase in the index
will be used to calculate index-linked interest. For example, if the
calculated change in the index is 9% and the participation rate is 70%,
the index-linked interest rate for the contract will be 6.3% (9%
70%=6.3%).
• The company usually guarantees the participation rate for a specific
period, from one year to the entire term.
• When that period is over, the company sets a new participation rate
for the next period.
• Some contracts guarantee that the participation rate will never be set
lower than a specified minimum or higher than a specified
maximum.
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Cap Rate
Some contracts may put an upper limit, or cap, on the index-linked
interest rate. This is the maximum rate of interest the contract will
earn.
Floor
The floor is the minimum index-linked interest rate that will be paid.
The most common floor is 0%. A 0% floor assures that even if the
index decreases in value, the index-linked interest that can earn will be
zero and not negative.
Guaranteed interest compounding
Some contracts pay simple interest during an index term. That means
index-linked interest is added to the original premium amount but does
not compound during the term. Others pay compound interest during
a term, which means that index-linked interest that has already been
credited also earns interest in the future.
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Dividends
Depending on the index used, stock dividends usually are not included
in the index value. For example, the S & P 500 is a tock price index
and only considers the prices of stocks. It does not recognize any
dividends paid on those stocks.
Early withdrawal
In most cases, investors cannot take all or part of the money out of
contract at any time during the term. There will be a cost and the
index-linked interest on the amount withdrawn will not be paid.
Indexing method
The approach used to measure the amount of change, if any, in the
index.
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Point-to-Point
The contingent claim C(t) in year t for one unit of GEB can be
represented as followed
.1)0(
)(),)1(),)1(,1max(min()(
S
tSRgRtC t
tt
t
• While subject to the maximum cap rate that can be earned under
this design, the first random term allows the investors to have a
participation rate in any potential upside gain in the equity
market.
• In the event of an adverse market environment, the downside risk
is constrained to the minimum guarantee floor component, that is,
(1 + g)t.
• The presence of the cap rate, although placing an upper bound on
the rate of return of the contract, could reduce the cost of such
design substantially.
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The payoff in year t for one unit of GEB is given byt
s
t
s gRtC1
)1(),1),1,1max(min(max)(
where the random variable RS again measures the appreciation of the
referenced index fund in year s.
• RS is solely determined by the index levels at the beginning and the
end of year s:.1
)1(
)(
sS
sSRs
• The interest is credited each year for the annual reset GEBs. The
credited interest cannot be lost even if the index subsequently
goes down.
• The index level used to determine the appreciation of the index is
reset annually. This `lock in’ feature can be extremely valuable,
particularly in a more volatile market.
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High Water Mark (Lookback)
where),)1(),)1(,1max(min()( tt
t gRtC
.1)0(
)(max],0(
S
sSR
ts
t
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Point-to-Point with Barrier
To increase the participation rate, we apply an up-and-in
barrier option to the point-to-point GEBs. An up- and-in
barrier GEB provides purchasers with the greater of the
index return times the participation rate and a minimum
guaranteed return if the index rises above a barrier for the
monitoring period and offers the minimum guaranteed
return otherwise.
else)1(
)(if)1(,)1(1minmax)(
t
tt
t
g
BsSgRtC
where .1)0(
)(
S
tSRt
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Annual Reset with Barrier
In each period, the GEBs will provide customers with the
greater of either the annual index return times the
participation rate or a minimum guaranteed rate if the index
value for the monitoring period rises above a barrier.
Otherwise, the GEBs will credit to the policyholder the
minimum guaranteed rate as annual return.
else)1(
)(if)1(,)1,1min(maxmax)(
1
t
tt
t
t
s
g
BsSgRtC
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Average
ere wh,)1(),)1(,1min(max)( tt
t gRtC
.1)0(
)(1
S
sS
R
t
st
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0.15Initial volatility
0.045Initial interest rate
9000Barrier level
5800Initial index level
100Number of simulation
1.03Guaranteed annual return
1.3Cap rate
Particip
ratePoint-point Ratchet
Point-to-
Point with
barrier
Ratchet
with
barrier
Average
150 0.956431 1.298844 0.984182 1.000207 0.934207
130 0.973574 1.288121 0.997821 1.018307 0.947832
110 0.968545 1.217861 0.985055 1.004369 0.943764
90 0.946537 1.126441 0.966122 0.960818 0.921269
70 0.957623 1.107188 0.970936 0.981477 0.924691
50 0.918295 1.026742 0.926781 0.933261 0.898979
In general, we can see that the change of participation rate does not place great effect to
the point-to-point, lookback, and average contracts until 50%.
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Impact of cap rate Participation rate = 0.8
Cap Rate
(%)
Point-to-
PointRatchet Lookback
Point-to-
Point with
barrier
Ratcjet
with
barrier
Average
No Cap 1.015731 1.145941 1.053112 0.976734 1.000487 0.935367
50 0.963433 1.116318 0.993219 0.929419 0.962648 0.914589
40 0.975355 1.140566 1.004696 0.938573 0.978622 0.934108
30 0.956171 1.133052 0.973526 0.926027 0.977767 0.928259
20 0.928098 1.123112 0.933465 0.917057 0.981053 0.919391
10 0.911383 1.075609 0.911383 0.911383 0.956211 0.911383
• The decreasing cap rate will lower the price of the contract.
• For the average design, the price does not change so much when
the cap rate decrease.
• For ratchet design, the price also does not change so much when
the cap rate decrease until 10%.
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Annual Guaranteed Interest
Some contracts pay guarantee interest during an index term if the
index-linked return is less than the guarantee return or negative.
Annual
Guarantee
Return
Rate
Point-to-
PointRatchet Lookback
Point-to-
Point with
barrier
Ratchet
with
barrier
Average
6 1.050396 1.310486 1.050396 1.050396 1.126012 1.050396
5 1.006993 1.244254 1.009694 1.003458 1.073681 1.001639
4 0.966467 1.148995 0.975274 0.953988 0.998599 0.952589
3 0.963088 1.136211 0.977767 0.930989 0.991021 0.928912
2 0.914577 1.065549 0.944937 0.872169 0.914411 0.881798
1 0.927131 1.053979 0.965791 0.854578 0.893834 0.883096
No 0.916407 1.025659 0.951387 0.820625 0.859302 0.872415
The increasing guarantee interest will increase the price of the contracts.
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NameGuaranteed
Equity Bond
Guaranteed FTSE
Bond 4-5 yr
Guaranteed
FTSE Bond 5 yr
Guaranteed
Capital Bond 5 yr
Participation rate 112% 105% 105% 110%
Minimum return 100% 110% 100% 10%
Term 5 years 5 years 5 years 5 years
Minimum investment £1,000 £5,000 £2,500 £500
Average
Five days initial
average and six
months final
daily averaging
Monthly readings
over last years of
investment
Monthly
readings
over last year
of
investment
Monthly readings
over last year of
investment
Source: Structured Retail Products (April 2006)
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Guaranteed annuity options
• In the United Kingdom, the GAO guarantees a minimum conversion
rate of lump sum of annuity. Typically, guarantees of £111 annual
annuity per £1,000 maturity lump sum have been offered for male
policyholders, and around £91 annuity per £1,000 maturity lump sum
for females. The conversion rate is known as the guaranteed annuity
rate of GAR.
• Let g be the guaranteed annuity rate (e.g., g = 1/9 for a rate of 111
annuity per 1000 lump sum), and let ax(t) be the market price at t of a
whole-life annuity of 1 per year payable immediately to a life aged x.
The value of separate fund account at t is Ft.
• The payoff under the GAO at the maturity of the separate fund account,
t = n (which is the annuity vesting date), for a life age 65 at vesting, is
)0,)(max( 65 nn FnagF
This option is in-the-money when a65(t) is greater than 1/g and out-of-the-
money otherwise.
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