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Contract OI history

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Dec 18, 2026 EXPIRATION

GM $82.50 Call

GM261218C00082500

Latest saved OI1,375Oct 23, 2026
Last change+13vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GM $82.50 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,3756870 2026-10-02: 1,175 OI2026-10-05: 1,200 OI2026-10-06: 1,228 OI2026-10-07: 1,233 OI2026-10-08: 1,233 OI2026-10-09: 1,237 OI2026-10-13: 1,256 OI2026-10-14: 1,256 OI2026-10-15: 1,277 OI2026-10-16: 1,280 OI2026-10-21: 1,362 OI2026-10-23: 1,375 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, 2026Viewing1,375+13
Oct 21, 20261,362+82
Oct 16, 20261,280+3
Oct 15, 20261,277+21
Oct 14, 20261,2560
Oct 13, 20261,256+19
Oct 09, 20261,237+4
Oct 08, 20261,2330
Oct 07, 20261,233+5
Oct 06, 20261,228+28
Oct 05, 20261,200+25
Oct 02, 20261,175No prior observation