The Intrinio CBOE Market Data Index Realtime Prices API offers 282 index values provided by Standard & Poors and CBOE. Index values are updated every 15 seconds during trading hours. Additionally, the API provides volatility indices (such as the VIX). Intrinio offers payment plans for individuals, startups, developers, and enterprises. Intrinio is a provider of financial services that delivers data collection, data entry, and data analysis tools.
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