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Contract OI history

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Dec 18, 2026 EXPIRATION

CMI $500.00 Call

CMI261218C00500000

Latest saved OI191Oct 23, 2026
Last change-45vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CMI $500.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2471230 2026-10-02: 236 OI2026-10-05: 235 OI2026-10-06: 235 OI2026-10-07: 247 OI2026-10-08: 247 OI2026-10-09: 237 OI2026-10-13: 236 OI2026-10-14: 236 OI2026-10-15: 237 OI2026-10-16: 237 OI2026-10-21: 236 OI2026-10-23: 191 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, 2026Viewing191-45
Oct 21, 2026236-1
Oct 16, 20262370
Oct 15, 2026237+1
Oct 14, 20262360
Oct 13, 2026236-1
Oct 09, 2026237-10
Oct 08, 20262470
Oct 07, 2026247+12
Oct 06, 20262350
Oct 05, 2026235-1
Oct 02, 2026236No prior observation