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Contract OI history

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Dec 18, 2026 EXPIRATION

GM $57.50 Put

GM261218P00057500

Latest saved OI611Oct 23, 2026
Last change+15vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GM $57.50 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. 6113050 2026-10-02: 586 OI2026-10-05: 586 OI2026-10-06: 586 OI2026-10-07: 586 OI2026-10-08: 586 OI2026-10-09: 596 OI2026-10-13: 596 OI2026-10-14: 596 OI2026-10-15: 596 OI2026-10-16: 596 OI2026-10-21: 596 OI2026-10-23: 611 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, 2026Viewing611+15
Oct 21, 20265960
Oct 16, 20265960
Oct 15, 20265960
Oct 14, 20265960
Oct 13, 20265960
Oct 09, 2026596+10
Oct 08, 20265860
Oct 07, 20265860
Oct 06, 20265860
Oct 05, 20265860
Oct 02, 2026586No prior observation