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Contract OI history

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Nov 20, 2026 EXPIRATION

GM $82.50 Put

GM261120P00082500

Latest saved OI587Oct 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 $82.50 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. 5872930 2026-10-02: 253 OI2026-10-05: 247 OI2026-10-06: 259 OI2026-10-07: 272 OI2026-10-08: 272 OI2026-10-09: 353 OI2026-10-13: 416 OI2026-10-14: 416 OI2026-10-15: 503 OI2026-10-16: 567 OI2026-10-21: 587 OI2026-10-23: 587 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, 2026Viewing5870
Oct 21, 2026587+20
Oct 16, 2026567+64
Oct 15, 2026503+87
Oct 14, 20264160
Oct 13, 2026416+63
Oct 09, 2026353+81
Oct 08, 20262720
Oct 07, 2026272+13
Oct 06, 2026259+12
Oct 05, 2026247-6
Oct 02, 2026253No prior observation