OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

GIS $25.00 Put

GIS280121P00025000

Latest saved OI2,684Oct 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. 2,6841,3420 2026-10-02: 2,675 OI2026-10-05: 2,675 OI2026-10-06: 2,675 OI2026-10-07: 2,675 OI2026-10-08: 2,675 OI2026-10-09: 2,675 OI2026-10-13: 2,675 OI2026-10-14: 2,673 OI2026-10-15: 2,673 OI2026-10-16: 2,663 OI2026-10-21: 2,684 OI2026-10-23: 2,684 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, 2026Viewing2,6840
Oct 21, 20262,684+21
Oct 16, 20262,663-10
Oct 15, 20262,6730
Oct 14, 20262,673-2
Oct 13, 20262,6750
Oct 09, 20262,6750
Oct 08, 20262,6750
Oct 07, 20262,6750
Oct 06, 20262,6750
Oct 05, 20262,6750
Oct 02, 20262,675No prior observation