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Contract OI history

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Jan 15, 2027 EXPIRATION

GM $85.00 Put

GM270115P00085000

Latest saved OI863Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GM $85.00 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. 8644320 2026-10-02: 534 OI2026-10-05: 534 OI2026-10-06: 537 OI2026-10-07: 537 OI2026-10-08: 537 OI2026-10-09: 536 OI2026-10-13: 543 OI2026-10-14: 543 OI2026-10-15: 553 OI2026-10-16: 552 OI2026-10-21: 864 OI2026-10-23: 863 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, 2026Viewing863-1
Oct 21, 2026864+312
Oct 16, 2026552-1
Oct 15, 2026553+10
Oct 14, 20265430
Oct 13, 2026543+7
Oct 09, 2026536-1
Oct 08, 20265370
Oct 07, 20265370
Oct 06, 2026537+3
Oct 05, 20265340
Oct 02, 2026534No prior observation