Smiling Straddle Strategy Refinement #1,12/15/12 (with recorded voice it may take a minute or so to download)
Options Indicating Market Expectation, 9/22/12
SPY Short Straddle backed up with the Smile Strategy produces, 5/19/12
ROC Return On Capital (spreadsheet), 3/17/12
Spreadsheet; Coin Flip with win/loss Biased Outcome, 1/28/12