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Contract OI history

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Mar 19, 2027 EXPIRATION

GM $75.00 Put

GM270319P00075000

Latest saved OI647Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GM $75.00 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. 6473230 2026-10-02: 302 OI2026-10-05: 322 OI2026-10-06: 321 OI2026-10-07: 610 OI2026-10-08: 610 OI2026-10-09: 614 OI2026-10-13: 627 OI2026-10-14: 627 OI2026-10-15: 627 OI2026-10-16: 640 OI2026-10-21: 643 OI2026-10-23: 647 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, 2026Viewing647+4
Oct 21, 2026643+3
Oct 16, 2026640+13
Oct 15, 20266270
Oct 14, 20266270
Oct 13, 2026627+13
Oct 09, 2026614+4
Oct 08, 20266100
Oct 07, 2026610+289
Oct 06, 2026321-1
Oct 05, 2026322+20
Oct 02, 2026302No prior observation