Seeking Alpha

Jack Walker  

Jack Walker is the author of’s ( Volatility Trading Digest using the name Jacktrader.

Jack is a former PSE options market maker and hedge fund manager. ( offers online stock options analysis and trading tools including the best options data and volatility charts in the business.

Current and previous issues of IVolatility Trading Digest along with a wealth of other useful articles and information for those interested in option trading are available at (

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