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Historical Data

Cboe Streaming Market Indices (CSMi) consists of over 200 index values offered by Standard and Poor’s and Cboe and many more firms. This offering contains all disseminated values for each index on a given day, it can vary from every 15 seconds during trading hours to once per day based on the index. Click here to view the current indexes on the CSMi feed.

Product File Change Notice:

On Aug 2, 2021 product file changes will go into effect. Please see the change doc and new sample set for detailed information. All customers have access to this new format ahead of the transition. New subscribers do not need to use the old format.


Daily calculation inputs on select Cboe option strategy benchmarks and the monthly roll data.


Please refer to more index information on:
https://www.cboe.com/us/indices/benchmark_indices/
https://www.cboe.com/us/indices/benchmark_roll_information/

VIX index (spot) values are the intraday values of the index only. This data is available starting from January, 1992. The frequency of the VIX index values is every minute for data prior to 2004 and every 15 seconds, including milliseconds, from 2004 and after.