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Contract OI history

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Jan 21, 2028 EXPIRATION

GM $67.50 Put

GM280121P00067500

Latest saved OI577Oct 23, 2026
Last change-43vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GM $67.50 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. 6203100 2026-10-02: 430 OI2026-10-05: 430 OI2026-10-06: 619 OI2026-10-07: 619 OI2026-10-08: 619 OI2026-10-09: 619 OI2026-10-13: 619 OI2026-10-14: 619 OI2026-10-15: 619 OI2026-10-16: 619 OI2026-10-21: 620 OI2026-10-23: 577 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, 2026Viewing577-43
Oct 21, 2026620+1
Oct 16, 20266190
Oct 15, 20266190
Oct 14, 20266190
Oct 13, 20266190
Oct 09, 20266190
Oct 08, 20266190
Oct 07, 20266190
Oct 06, 2026619+189
Oct 05, 20264300
Oct 02, 2026430No prior observation