OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

GIS $32.50 Call

GIS261218C00032500

Latest saved OI2,979Oct 23, 2026
Last change-38vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GIS $32.50 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. 3,0171,5080 2026-10-02: 2,348 OI2026-10-05: 2,367 OI2026-10-06: 2,388 OI2026-10-07: 2,592 OI2026-10-08: 2,601 OI2026-10-09: 2,602 OI2026-10-13: 2,602 OI2026-10-14: 2,603 OI2026-10-15: 2,623 OI2026-10-16: 2,937 OI2026-10-21: 3,017 OI2026-10-23: 2,979 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, 2026Viewing2,979-38
Oct 21, 20263,017+80
Oct 16, 20262,937+314
Oct 15, 20262,623+20
Oct 14, 20262,603+1
Oct 13, 20262,6020
Oct 09, 20262,602+1
Oct 08, 20262,601+9
Oct 07, 20262,592+204
Oct 06, 20262,388+21
Oct 05, 20262,367+19
Oct 02, 20262,348No prior observation