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Contract OI history

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Nov 20, 2026 EXPIRATION

CMI $530.00 Put

CMI261120P00530000

Latest saved OI590Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CMI $530.00 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. 5902950 2026-10-02: 505 OI2026-10-05: 505 OI2026-10-06: 505 OI2026-10-07: 527 OI2026-10-08: 527 OI2026-10-09: 532 OI2026-10-13: 567 OI2026-10-14: 567 OI2026-10-15: 568 OI2026-10-16: 572 OI2026-10-21: 586 OI2026-10-23: 590 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, 2026Viewing590+4
Oct 21, 2026586+14
Oct 16, 2026572+4
Oct 15, 2026568+1
Oct 14, 20265670
Oct 13, 2026567+35
Oct 09, 2026532+5
Oct 08, 20265270
Oct 07, 2026527+22
Oct 06, 20265050
Oct 05, 20265050
Oct 02, 2026505No prior observation