Introduction to Exchanges Chris Welty Walleye Trading
Who is this guy?
Walleye Trading Hedge fund in Wayzata Quantitative focus ~35 employees
Exchanges What they are Growth Quantitative Finance
History 1602 Amsterdam Stock Exchange 1730 Dojima Rice Exchange 1973 Chicago Board Options Exchange
Why trade on an exchange? Standardization Liquidity Information Credit Efficiency
Executing a trade
Increasing Computerization
Match Buyers and Sellers
Who Does What CustomerBrokerExchange Market Maker
Broker Accepts orders Executes orders Custodian Credit intermediation
Market Maker Provide prices Provide liquidity Sometimes, stabilize market
Market Stabilization NYSE Specialist Japanese Price limits Position limits
Increasing Quantitative Trading Stocks Foreign Exchange Futures Options
Leads to massive growth
NYSE Volume
Market Growth Reduced commissions Penny pricing Quantitative trading
Quantitative Finance Option Modeling Automated Trading
Black-Scholes Model Useful Not Practical
Black-Scholes Price
Black-Scholes Delta
Gamma
Rho (interest rate risk)
Model Enhancements Discrete dividends Different interest rates Variable volatility Smile Term structure Proprietary
Automated Trading Algorithmic Execution Low-Frequency High-frequency
Algorithmic Execution VWAP Minimize trading cost Reduce information leakage
Low Frequency Trading Statistical Arbitrage Quantitative-based fundamental trading
High Frequency Trading Hot new area Enabled by electronic trading Analysis of large data sets