Apparently, this user prefers to keep an air of mystery about them.
19 Any known bugs with Yahoo Finance adjusted close data ? Apr 29 '11
10 How are limit orders selected from the order book? Oct 29 '11
9 How do I compare implied and historic volatility? Jun 16 '11
5 Do binary options make any sense? May 6 '11
5 How can I learn about the quantitative aspects of market making in illiquid single stock options? Jul 26 '11
3 What data sources are available online? Jul 12 '11