Cboe Global Indices Feed (CGIF) - INAV channel offers Cboe-calculated iNAVs, IOPVs, and IIVs for ETFs and ETPs. The end-of-day file captures the open, high, low, close (OHLC), and option volume where available, distributed daily. Find the full list of active indices on the INAV channel here.
Subscription
Files will be distributed daily shortly after the open of the next trading day (9:30 ET).
Historical
Historical data available from December 2007 for active symbols. Please note historical data for inactive or retired symbols are not supported.
Reference: