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Contract OI history

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Nov 20, 2026 EXPIRATION

CMI $500.00 Put

CMI261120P00500000

Latest saved OI290Oct 23, 2026
Last change+31vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CMI $500.00 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. 2901450 2026-10-02: 48 OI2026-10-05: 48 OI2026-10-06: 61 OI2026-10-07: 60 OI2026-10-08: 60 OI2026-10-09: 60 OI2026-10-13: 253 OI2026-10-14: 253 OI2026-10-15: 253 OI2026-10-16: 251 OI2026-10-21: 259 OI2026-10-23: 290 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CMI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing290+31
Oct 21, 2026259+8
Oct 16, 2026251-2
Oct 15, 20262530
Oct 14, 20262530
Oct 13, 2026253+193
Oct 09, 2026600
Oct 08, 2026600
Oct 07, 202660-1
Oct 06, 202661+13
Oct 05, 2026480
Oct 02, 202648No prior observation