Historical Options Dataset =========================== The historical options data set is a comprehensive collection US index and stock options data from 2010. The bundle provides detailed end-of-day option chains for over 5800 tickers, including bid and ask quotes as well as implied volatilities and Greeks for both puts and calls. File Format ----------- Each data row is comma separated with the below fields: Trade Date,Strike,Expiry Date,Call/Put,Last Trade Price,Bid Price,Ask Price,Bid Implied Volatility,Ask Implied Volatility,Open Interest,Volume,Delta,Gamma,Vega,Theta,Rho Notes: - Data is end-of-day data (sampled 30 seconds prior to close to avoid large rebalancing orders which corrupt the prices) - All options for over 5800 US equities and indices