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Contract OI history

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Nov 20, 2026 EXPIRATION

GM $85.00 Put

GM261120P00085000

Latest saved OI431Oct 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 $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. 4312150 2026-10-02: 160 OI2026-10-05: 162 OI2026-10-06: 167 OI2026-10-07: 167 OI2026-10-08: 167 OI2026-10-09: 182 OI2026-10-13: 245 OI2026-10-14: 245 OI2026-10-15: 327 OI2026-10-16: 365 OI2026-10-21: 431 OI2026-10-23: 431 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, 2026Viewing4310
Oct 21, 2026431+66
Oct 16, 2026365+38
Oct 15, 2026327+82
Oct 14, 20262450
Oct 13, 2026245+63
Oct 09, 2026182+15
Oct 08, 20261670
Oct 07, 20261670
Oct 06, 2026167+5
Oct 05, 2026162+2
Oct 02, 2026160No prior observation