marie carone. broker-dealers exchange limit order limit order books institutional investors ...
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Broker-dealers Exchange Limit order Limit order books Institutional investors Market-makers OTC trading
Off-exchange exchangesECN vs exchange
Both Conduct transactionsCollect feesProduce and sell market data
ExchangesCan list stocksGovern themselves…
ECNsGoverned by the SEC
Specialist Book
Price # of shares
Asked $ 19.40 20,000
$ 19.30 10,000
$ 19.27 700
$ 19.23 11,000
$ 19.22 900
Asked $ 19.20 500
Bid $ 18.70 200
$ 18.68 300
$ 18.67 700
$ 18.66 1100
$ 18.65 10000
$ 18.60 14000
NYSE vs ECNsNYSE
Broker sends buy order to specialist Specialist finds sellers
ECNs broker sends buy order to ECN Computer matches orders No specialists
SEC charges 2005 Interpositioning – extra broker/dealerTrading ahead – own account
Lucky
Automated limit order books Open display Offer anonymity After-hours trading Subject to SEC’s Regulations
Order protection rule – best displayed pricesAccess rule – fair access, limit on feesSub-penny rule
1st
• Started in 1969 (before Nasdaq) Subscribers
Institutional investors Broker-dealers Market-makers
• Initially a broker-dealer Operated electronically
• New category ECN In 1997 And imposed order handling rules Why?
Display RuleDisplay order if better than specialist’s or
market maker’s
Quote RuleECN amendmentMake publicly available any superior prices
After 1997 the number increasedBecame a real competitor for NasdaqArchipelago, Brut, Island, Instinet
ECNs has advantages over the traditional trading systemsLess expensive trade executionFaster trade executionMore complete price informationAnonymityHours
(n.d.). Retrieved April 6, 2011, from Investopedia: http://www.investopedia.com/terms/t/tradingahead.asp
(2005, 11 4). Retrieved April 6, 2011, from SEC: http://www.sec.gov/divisions/marketreg/mrecn.shtml
Engber, D. (2005, April 21). Markets vs Exchanges. Retrieved 4 06, 2011, from Slate: http://www.slate.com/id/2117171/
Fabozzi, F. J., Modigliani, F., & Jones, F. J. (2010). Foundations of Financial Markets and Institutions. Pearson Education Inc.
Samii, M., & Karush, G. (2004). International Business and Information Technology. New York: Routledge.
Understanding ECNs and Inside Spreads. (n.d.). Retrieved April 16, 2011, from UC San Diego Economics: http://econ.ucsd.edu/~mwilloug/documents/Articles%20and%20Reports/NASDAQ%20inside%20spreads.pdf
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