OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

GIS $40.00 Put

GIS270115P00040000

Latest saved OI1,358Oct 23, 2026
Last change-26vs 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. 1,3846920 2026-10-02: 1,367 OI2026-10-05: 1,368 OI2026-10-06: 1,368 OI2026-10-07: 1,368 OI2026-10-08: 1,368 OI2026-10-09: 1,363 OI2026-10-13: 1,366 OI2026-10-14: 1,363 OI2026-10-15: 1,363 OI2026-10-16: 1,370 OI2026-10-21: 1,384 OI2026-10-23: 1,358 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, 2026Viewing1,358-26
Oct 21, 20261,384+14
Oct 16, 20261,370+7
Oct 15, 20261,3630
Oct 14, 20261,363-3
Oct 13, 20261,366+3
Oct 09, 20261,363-5
Oct 08, 20261,3680
Oct 07, 20261,3680
Oct 06, 20261,3680
Oct 05, 20261,368+1
Oct 02, 20261,367No prior observation