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Contract OI history

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Dec 18, 2026 EXPIRATION

GM $77.50 Put

GM261218P00077500

Latest saved OI3,351Oct 23, 2026
Last change+19vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GM $77.50 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. 3,4761,7380 2026-10-02: 2,551 OI2026-10-05: 2,746 OI2026-10-06: 2,983 OI2026-10-07: 2,990 OI2026-10-08: 2,990 OI2026-10-09: 3,432 OI2026-10-13: 3,475 OI2026-10-14: 3,475 OI2026-10-15: 3,476 OI2026-10-16: 3,445 OI2026-10-21: 3,332 OI2026-10-23: 3,351 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, 2026Viewing3,351+19
Oct 21, 20263,332-113
Oct 16, 20263,445-31
Oct 15, 20263,476+1
Oct 14, 20263,4750
Oct 13, 20263,475+43
Oct 09, 20263,432+442
Oct 08, 20262,9900
Oct 07, 20262,990+7
Oct 06, 20262,983+237
Oct 05, 20262,746+195
Oct 02, 20262,551No prior observation