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Contract OI history

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Oct 23, 2026 EXPIRATION

GM $81.00 Put

GM261023P00081000

Latest saved OI15Oct 23, 2026
Last change-517vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GM $81.00 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. 5322660 2026-10-02: 37 OI2026-10-05: 36 OI2026-10-06: 39 OI2026-10-07: 39 OI2026-10-08: 39 OI2026-10-09: 53 OI2026-10-13: 133 OI2026-10-14: 133 OI2026-10-15: 233 OI2026-10-16: 458 OI2026-10-21: 532 OI2026-10-23: 15 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

GM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing15-517
Oct 21, 2026532+74
Oct 16, 2026458+225
Oct 15, 2026233+100
Oct 14, 20261330
Oct 13, 2026133+80
Oct 09, 202653+14
Oct 08, 2026390
Oct 07, 2026390
Oct 06, 202639+3
Oct 05, 202636-1
Oct 02, 202637No prior observation