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Contract OI history

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Dec 18, 2026 EXPIRATION

GM $25.00 Put

GM261218P00025000

Latest saved OI848Oct 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 $25.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8594290 2026-10-02: 859 OI2026-10-05: 859 OI2026-10-06: 859 OI2026-10-07: 859 OI2026-10-08: 859 OI2026-10-09: 848 OI2026-10-13: 848 OI2026-10-14: 848 OI2026-10-15: 848 OI2026-10-16: 848 OI2026-10-21: 848 OI2026-10-23: 848 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, 2026Viewing8480
Oct 21, 20268480
Oct 16, 20268480
Oct 15, 20268480
Oct 14, 20268480
Oct 13, 20268480
Oct 09, 2026848-11
Oct 08, 20268590
Oct 07, 20268590
Oct 06, 20268590
Oct 05, 20268590
Oct 02, 2026859No prior observation