OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

GIS $40.00 Put

GIS270319P00040000

Latest saved OI289Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GIS $40.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2891440 2026-10-02: 154 OI2026-10-05: 154 OI2026-10-06: 157 OI2026-10-07: 157 OI2026-10-08: 158 OI2026-10-09: 158 OI2026-10-13: 158 OI2026-10-14: 156 OI2026-10-15: 287 OI2026-10-16: 288 OI2026-10-21: 289 OI2026-10-23: 289 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, 2026Viewing2890
Oct 21, 2026289+1
Oct 16, 2026288+1
Oct 15, 2026287+131
Oct 14, 2026156-2
Oct 13, 20261580
Oct 09, 20261580
Oct 08, 2026158+1
Oct 07, 20261570
Oct 06, 2026157+3
Oct 05, 20261540
Oct 02, 2026154No prior observation