OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

GIS $25.00 Put

GIS270319P00025000

Latest saved OI202Oct 23, 2026
Last change+21vs 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. 2021010 2026-10-02: 170 OI2026-10-05: 174 OI2026-10-06: 176 OI2026-10-07: 176 OI2026-10-08: 177 OI2026-10-09: 177 OI2026-10-13: 177 OI2026-10-14: 182 OI2026-10-15: 182 OI2026-10-16: 181 OI2026-10-21: 181 OI2026-10-23: 202 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, 2026Viewing202+21
Oct 21, 20261810
Oct 16, 2026181-1
Oct 15, 20261820
Oct 14, 2026182+5
Oct 13, 20261770
Oct 09, 20261770
Oct 08, 2026177+1
Oct 07, 20261760
Oct 06, 2026176+2
Oct 05, 2026174+4
Oct 02, 2026170No prior observation