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Contract OI history

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Jan 15, 2027 EXPIRATION

GM $77.50 Call

GM270115C00077500

Latest saved OI1,351Oct 23, 2026
Last change+115vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GM $77.50 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. 1,3516750 2026-10-02: 1,193 OI2026-10-05: 1,228 OI2026-10-06: 1,228 OI2026-10-07: 1,228 OI2026-10-08: 1,228 OI2026-10-09: 1,228 OI2026-10-13: 1,228 OI2026-10-14: 1,228 OI2026-10-15: 1,228 OI2026-10-16: 1,228 OI2026-10-21: 1,236 OI2026-10-23: 1,351 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, 2026Viewing1,351+115
Oct 21, 20261,236+8
Oct 16, 20261,2280
Oct 15, 20261,2280
Oct 14, 20261,2280
Oct 13, 20261,2280
Oct 09, 20261,2280
Oct 08, 20261,2280
Oct 07, 20261,2280
Oct 06, 20261,2280
Oct 05, 20261,228+35
Oct 02, 20261,193No prior observation