OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

GIS $40.00 Call

GIS270319C00040000

Latest saved OI2,545Oct 23, 2026
Last change+156vs 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. 2,5451,2720 2026-10-02: 2,136 OI2026-10-05: 2,136 OI2026-10-06: 2,136 OI2026-10-07: 2,136 OI2026-10-08: 2,163 OI2026-10-09: 2,209 OI2026-10-13: 2,221 OI2026-10-14: 2,217 OI2026-10-15: 2,203 OI2026-10-16: 2,298 OI2026-10-21: 2,389 OI2026-10-23: 2,545 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, 2026Viewing2,545+156
Oct 21, 20262,389+91
Oct 16, 20262,298+95
Oct 15, 20262,203-14
Oct 14, 20262,217-4
Oct 13, 20262,221+12
Oct 09, 20262,209+46
Oct 08, 20262,163+27
Oct 07, 20262,1360
Oct 06, 20262,1360
Oct 05, 20262,1360
Oct 02, 20262,136No prior observation