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Contract OI history

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Dec 18, 2026 EXPIRATION

GM $87.50 Call

GM261218C00087500

Latest saved OI1,952Oct 23, 2026
Last change-24vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GM $87.50 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. 1,9769880 2026-10-02: 1,373 OI2026-10-05: 1,359 OI2026-10-06: 1,419 OI2026-10-07: 1,448 OI2026-10-08: 1,448 OI2026-10-09: 1,900 OI2026-10-13: 1,927 OI2026-10-14: 1,927 OI2026-10-15: 1,931 OI2026-10-16: 1,937 OI2026-10-21: 1,976 OI2026-10-23: 1,952 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, 2026Viewing1,952-24
Oct 21, 20261,976+39
Oct 16, 20261,937+6
Oct 15, 20261,931+4
Oct 14, 20261,9270
Oct 13, 20261,927+27
Oct 09, 20261,900+452
Oct 08, 20261,4480
Oct 07, 20261,448+29
Oct 06, 20261,419+60
Oct 05, 20261,359-14
Oct 02, 20261,373No prior observation