Good Guy Mike
"The same past data can confirm a theory and its exact opposite! If you survive until tomorrow, it could mean that either a) you are more likely to be immortal or b) that you are closer to death."
4 Pairs trading: Question on non-negative profits, size of the positions and trading signals mar 7 '13
4 Volatility of a rolling window strategy apr 27 '13
3 Pricing of a simple contingent claim apr 12 '14