The NYSE Global Index Feed (GIF) is the primary source of US real-time index and exchange-traded product valuations data from NYSE. GIF has been created to support advanced trading methodologies and dissemination frequency required for todays’ index and exchange-traded product calculations.
A list of available Indexes can be found here: http://www.nyxdata.com/doc/50572
Real-time Index prices are accessible to individuals and pros through 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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