OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

GIS $42.50 Call

GIS261218C00042500

Latest saved OI2,234Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GIS $42.50 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. 2,3191,1590 2026-10-02: 2,319 OI2026-10-05: 2,277 OI2026-10-06: 2,276 OI2026-10-07: 2,200 OI2026-10-08: 2,201 OI2026-10-09: 2,191 OI2026-10-13: 2,186 OI2026-10-14: 2,183 OI2026-10-15: 2,263 OI2026-10-16: 2,263 OI2026-10-21: 2,230 OI2026-10-23: 2,234 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, 2026Viewing2,234+4
Oct 21, 20262,230-33
Oct 16, 20262,2630
Oct 15, 20262,263+80
Oct 14, 20262,183-3
Oct 13, 20262,186-5
Oct 09, 20262,191-10
Oct 08, 20262,201+1
Oct 07, 20262,200-76
Oct 06, 20262,276-1
Oct 05, 20262,277-42
Oct 02, 20262,319No prior observation