OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

GIS $40.00 Call

GIS261120C00040000

Latest saved OI1,447Oct 23, 2026
Last change+438vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GIS $40.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,4477230 2026-10-02: 970 OI2026-10-05: 961 OI2026-10-06: 962 OI2026-10-07: 962 OI2026-10-08: 960 OI2026-10-09: 962 OI2026-10-13: 961 OI2026-10-14: 964 OI2026-10-15: 964 OI2026-10-16: 1,000 OI2026-10-21: 1,009 OI2026-10-23: 1,447 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

GIS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,447+438
Oct 21, 20261,009+9
Oct 16, 20261,000+36
Oct 15, 20269640
Oct 14, 2026964+3
Oct 13, 2026961-1
Oct 09, 2026962+2
Oct 08, 2026960-2
Oct 07, 20269620
Oct 06, 2026962+1
Oct 05, 2026961-9
Oct 02, 2026970No prior observation