Cboe Global Indices Feed data consists of more than 400 index values offered by Cboe, Standard & Poor's, and other firms.

This offering provides a summary of the opening, highest, lowest, and closing index value disseminated for each index by date. Frequency of reported values is index-dependent and can vary from once per second to once per day. Open time is 09:30 U.S. Eastern but time of Close is also index-specific and may be as late as 20:00 U.S. Eastern.

Customers without a license to the Cboe Global Indices Feed (CGIF) will receive subscription files T+1 shortly after midnight U.S. Eastern time.

Reference:

File specification

Fields:

• Underlying Symbol
• Quote Date
• Open
• High
• Low
• Close
• Trade Volume
• VWAP
• Best Bid 1545
• Best Ask 1545
• Best Bid Eod
• Best Ask Eod