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Contract OI history

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Nov 20, 2026 EXPIRATION

GM $72.50 Put

GM261120P00072500

Latest saved OI1,114Oct 23, 2026
Last change+131vs previous saved observation
Saved market days10Oct 06, 2026 onwards
Daily open interest Hover a point for its date and OI
GM $72.50 put open interest history 10 saved observations from 2026-10-06 to 2026-10-23. Exact values and changes are listed in the table below. 1,1145570 2026-10-06: 8 OI2026-10-07: 17 OI2026-10-08: 17 OI2026-10-09: 43 OI2026-10-13: 47 OI2026-10-14: 47 OI2026-10-15: 48 OI2026-10-16: 48 OI2026-10-21: 983 OI2026-10-23: 1,114 OI Oct 06, 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, 2026Viewing1,114+131
Oct 21, 2026983+935
Oct 16, 2026480
Oct 15, 202648+1
Oct 14, 2026470
Oct 13, 202647+4
Oct 09, 202643+26
Oct 08, 2026170
Oct 07, 202617+9
Oct 06, 20268No prior observation