OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

GIS $42.50 Put

GIS280121P00042500

Latest saved OI2,191Oct 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 $42.50 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. 2,1921,0960 2026-10-02: 2,192 OI2026-10-05: 2,191 OI2026-10-06: 2,191 OI2026-10-07: 2,191 OI2026-10-08: 2,191 OI2026-10-09: 2,191 OI2026-10-13: 2,191 OI2026-10-14: 2,191 OI2026-10-15: 2,191 OI2026-10-16: 2,191 OI2026-10-21: 2,191 OI2026-10-23: 2,191 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, 2026Viewing2,1910
Oct 21, 20262,1910
Oct 16, 20262,1910
Oct 15, 20262,1910
Oct 14, 20262,1910
Oct 13, 20262,1910
Oct 09, 20262,1910
Oct 08, 20262,1910
Oct 07, 20262,1910
Oct 06, 20262,1910
Oct 05, 20262,191-1
Oct 02, 20262,192No prior observation