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Contract OI history

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Dec 18, 2026 EXPIRATION

GM $55.00 Call

GM261218C00055000

Latest saved OI311Oct 23, 2026
Last change+10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GM $55.00 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. 3291640 2026-10-02: 329 OI2026-10-05: 329 OI2026-10-06: 329 OI2026-10-07: 329 OI2026-10-08: 329 OI2026-10-09: 329 OI2026-10-13: 329 OI2026-10-14: 329 OI2026-10-15: 329 OI2026-10-16: 329 OI2026-10-21: 301 OI2026-10-23: 311 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, 2026Viewing311+10
Oct 21, 2026301-28
Oct 16, 20263290
Oct 15, 20263290
Oct 14, 20263290
Oct 13, 20263290
Oct 09, 20263290
Oct 08, 20263290
Oct 07, 20263290
Oct 06, 20263290
Oct 05, 20263290
Oct 02, 2026329No prior observation