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Equity Trading Game and Tutorial

Equity Trading Game and Tutorial. Sanjiv Parekh, John Kogel September 19, 2003. Welcome. Sloan Trading Room Task Force was established in 1997 by Prof. Andrew Lo. Trading room is used for research, trading games and simulations, and finance classes.

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Equity Trading Game and Tutorial

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  1. Equity Trading Gameand Tutorial Sanjiv Parekh, John Kogel September 19, 2003

  2. Welcome • Sloan Trading Room Task Force was established in 1997 by Prof. Andrew Lo. • Trading room is used for research, trading games and simulations, and finance classes. • Types of games include trading equity, fixed income, derivatives, and foreign exchange. • More information: http://mitsloan.mit.edu/trader • Email: taskforce@mit.edu

  3. Agenda • Today’s Game: 2 Stocks • Trading Interface • Trading Mechanics: Bid-Ask • Accessing Private Information • Two Practice Games • Questions and Answers • The Final Game, for prizes

  4. Case Scenario • Two Stocks • ABC Company • CRA Corporation • Two periods: Year 1 and Year 2 • 0% interest rate, no cost to borrow money • Dividend paid at end of each period

  5. Private Information and Prices • Different parties may have private information in the market. This information may give you an advantage in trading. • Bid and Ask prices may reflect what private information other traders have • If you know what the stock should be worth, take advantage of wrong prices through arbitrage

  6. Game Setup • Dividend results rely on the state of the economy and firms • The ABC Company has 3 different possible states in each period • The CRA Corporation has 4 different possible states in each period

  7. Stock Fundamentals Realized events determine each stocks’ realized dividend plus marked value Events are all equally likely Traders in this market will receive private information about which event is realized

  8. ABC Payoff Tree x 0 Year 2’s dividend depends upon both years 1&2 events y 0 x 0 z 12 x 0 y y Period 0 12 12 z 24 z x 12 24 y 24 z Period 1 Dividends Period 2 Dividends 24

  9. ABC Payoff TreePeriod 1: not z, Period 2: not z x 0 1/2 y 1/2 0 x 0 z 12 1/2 x 0 1/2 y y 1/2 1/2 12 Period 0 12 z 24 x z 12 24 y 24 Min: 0 Max: 24 E [Price] = 9 z 24

  10. ABC Payoff Treein Period 2 At the beginning of Period 2, we find out that Period 1’s payoff was actually y and you receive a dividend of $12. x 0 Min: 0 Max: 12 E [Price] = 6 y 12 y

  11. Trading Mechanics • Traders who want to sell stocks at a certain price post an Ask • Traders who want to buy stocks at a certain price post a Bid • Only Market Makers have the ability to post Bids and Asks

  12. BID 158 1/8 Market maker buys Market taker sells ASK 158 7/8 Market maker sells Market taker buys The Bid-Ask Spread

  13. BID sell buy 157 158 ASK sell buy 159 160 Stay Within the Spread! $$$ $$$ • Do not trade outside the spread • Be the market maker with unsophisticated traders in the market

  14. BID 80 81* ASK 85 Being the Market Maker New bid (market maker) The spread went from 5 to 4

  15. BID 78 80 ASK 85 87 Market Making Bid Ask Won’t make the market Won’t make the market 80 85

  16. Terminology • GoingLong: buy the stock • You think the stock price will go up • Going Short: sell the stock • You think the stock price will go down • Selling more units than you have, known as short selling, ends up with negative number of units. Can short sell as much as possible • Have to cover short position at end by buying back the stock. Done automatically in the game

  17. Realized payouts displayed here You can borrow or lend at a 0% interest rate Trading Window Time remaining in seconds for current trading period. Individual endowments Traders in the FTS markets determine prices Stock Names

  18. Logging Into the System Enter any trading name (at least 3 characters) Type in the actual names of each trader on the team

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