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Contract OI history

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Nov 20, 2026 EXPIRATION

GM $80.00 Put

GM261120P00080000

Latest saved OI501Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GM $80.00 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. 5012500 2026-10-02: 226 OI2026-10-05: 235 OI2026-10-06: 259 OI2026-10-07: 256 OI2026-10-08: 256 OI2026-10-09: 263 OI2026-10-13: 348 OI2026-10-14: 348 OI2026-10-15: 349 OI2026-10-16: 418 OI2026-10-21: 501 OI2026-10-23: 501 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, 2026Viewing5010
Oct 21, 2026501+83
Oct 16, 2026418+69
Oct 15, 2026349+1
Oct 14, 20263480
Oct 13, 2026348+85
Oct 09, 2026263+7
Oct 08, 20262560
Oct 07, 2026256-3
Oct 06, 2026259+24
Oct 05, 2026235+9
Oct 02, 2026226No prior observation