Apparently, this user prefers to keep an air of mystery about them.
14 Setting the r in put-call parity? may 12 '11
10 Order submission strategies of a rational market maker? may 24 '11
9 What are important model and assumption-free no-arbitrage conditions in options trading? may 12 '11
6 A generic limit order book: What are the most important queries it should be able to answer? may 23 '11