OITracker Cboe delayed data

Contract OI history

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Jun 17, 2027 EXPIRATION

GIS $25.00 Put

GIS270617P00025000

Latest saved OI309Oct 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 $25.00 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. 3091540 2026-10-02: 230 OI2026-10-05: 235 OI2026-10-06: 235 OI2026-10-07: 236 OI2026-10-08: 237 OI2026-10-09: 237 OI2026-10-13: 277 OI2026-10-14: 278 OI2026-10-15: 279 OI2026-10-16: 279 OI2026-10-21: 309 OI2026-10-23: 309 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, 2026Viewing3090
Oct 21, 2026309+30
Oct 16, 20262790
Oct 15, 2026279+1
Oct 14, 2026278+1
Oct 13, 2026277+40
Oct 09, 20262370
Oct 08, 2026237+1
Oct 07, 2026236+1
Oct 06, 20262350
Oct 05, 2026235+5
Oct 02, 2026230No prior observation