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Contract OI history

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Oct 30, 2026 EXPIRATION

GM $72.00 Put

GM261030P00072000

Latest saved OI388Oct 23, 2026
Last change+117vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GM $72.00 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. 3881940 2026-10-02: 56 OI2026-10-05: 58 OI2026-10-06: 59 OI2026-10-07: 59 OI2026-10-08: 59 OI2026-10-09: 60 OI2026-10-13: 60 OI2026-10-14: 60 OI2026-10-15: 116 OI2026-10-16: 116 OI2026-10-21: 271 OI2026-10-23: 388 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, 2026Viewing388+117
Oct 21, 2026271+155
Oct 16, 20261160
Oct 15, 2026116+56
Oct 14, 2026600
Oct 13, 2026600
Oct 09, 202660+1
Oct 08, 2026590
Oct 07, 2026590
Oct 06, 202659+1
Oct 05, 202658+2
Oct 02, 202656No prior observation