This service consists of 282 index values offered by Standard & Poors and CBOE. Most index values are updated every 15 seconds during trading hours.
A list of all Indexes available can be seen here: https://www.cboe.org/mdx/mdi/mdiproducts.aspx
Real-time Index prices are accessible to individuals and pros via our Real-Time WebSocket SDKs. We also have an API “firehose” solution for enterprise clients that will stream all price updates to your server directly.
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