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Historical Data

Optsum data is an end of day index option summary for CBOE traded options in ^SPX, ^OEX, and ^VIX with volume traded, open interest, open, high low and last sales prices for every series in chain. The Optsum data is available as far back as 1990 or based on the index option availability in ^SPX, ^OEX, and ^VIX. *For a similar product for all securities with equity and index options, please see the End-of-Day Option Quotes Data offering.