OITracker Cboe delayed data

Contract OI history

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Sep 17, 2027 EXPIRATION

GIS $25.00 Put

GIS270917P00025000

Latest saved OI402Oct 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. 4022010 2026-10-02: 366 OI2026-10-05: 366 OI2026-10-06: 370 OI2026-10-07: 370 OI2026-10-08: 371 OI2026-10-09: 374 OI2026-10-13: 379 OI2026-10-14: 379 OI2026-10-15: 398 OI2026-10-16: 399 OI2026-10-21: 402 OI2026-10-23: 402 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, 2026Viewing4020
Oct 21, 2026402+3
Oct 16, 2026399+1
Oct 15, 2026398+19
Oct 14, 20263790
Oct 13, 2026379+5
Oct 09, 2026374+3
Oct 08, 2026371+1
Oct 07, 20263700
Oct 06, 2026370+4
Oct 05, 20263660
Oct 02, 2026366No prior observation