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Contract OI history

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Jan 15, 2027 EXPIRATION

GM $40.00 Call

GM270115C00040000

Latest saved OI672Oct 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 $40.00 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. 6763380 2026-10-02: 676 OI2026-10-05: 676 OI2026-10-06: 676 OI2026-10-07: 676 OI2026-10-08: 676 OI2026-10-09: 676 OI2026-10-13: 672 OI2026-10-14: 672 OI2026-10-15: 672 OI2026-10-16: 672 OI2026-10-21: 672 OI2026-10-23: 672 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, 2026Viewing6720
Oct 21, 20266720
Oct 16, 20266720
Oct 15, 20266720
Oct 14, 20266720
Oct 13, 2026672-4
Oct 09, 20266760
Oct 08, 20266760
Oct 07, 20266760
Oct 06, 20266760
Oct 05, 20266760
Oct 02, 2026676No prior observation