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Contract OI history

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Jan 21, 2028 EXPIRATION

GM $80.00 Put

GM280121P00080000

Latest saved OI1,840Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GM $80.00 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. 1,8429210 2026-10-02: 1,819 OI2026-10-05: 1,819 OI2026-10-06: 1,819 OI2026-10-07: 1,819 OI2026-10-08: 1,819 OI2026-10-09: 1,819 OI2026-10-13: 1,822 OI2026-10-14: 1,822 OI2026-10-15: 1,822 OI2026-10-16: 1,822 OI2026-10-21: 1,842 OI2026-10-23: 1,840 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, 2026Viewing1,840-2
Oct 21, 20261,842+20
Oct 16, 20261,8220
Oct 15, 20261,8220
Oct 14, 20261,8220
Oct 13, 20261,822+3
Oct 09, 20261,8190
Oct 08, 20261,8190
Oct 07, 20261,8190
Oct 06, 20261,8190
Oct 05, 20261,8190
Oct 02, 20261,819No prior observation