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Contract OI history

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Dec 18, 2026 EXPIRATION

GM $35.00 Put

GM261218P00035000

Latest saved OI1,657Oct 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 $35.00 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. 1,6578280 2026-10-02: 1,657 OI2026-10-05: 1,657 OI2026-10-06: 1,657 OI2026-10-07: 1,657 OI2026-10-08: 1,657 OI2026-10-09: 1,657 OI2026-10-13: 1,657 OI2026-10-14: 1,657 OI2026-10-15: 1,657 OI2026-10-16: 1,657 OI2026-10-21: 1,657 OI2026-10-23: 1,657 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, 2026Viewing1,6570
Oct 21, 20261,6570
Oct 16, 20261,6570
Oct 15, 20261,6570
Oct 14, 20261,6570
Oct 13, 20261,6570
Oct 09, 20261,6570
Oct 08, 20261,6570
Oct 07, 20261,6570
Oct 06, 20261,6570
Oct 05, 20261,6570
Oct 02, 20261,657No prior observation