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Contract OI history

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Nov 20, 2026 EXPIRATION

CME $240.00 Put

CME261120P00240000

Latest saved OI450Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CME $240.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4502250 2026-10-09: 75 OI2026-10-13: 407 OI2026-10-14: 408 OI2026-10-15: 422 OI2026-10-16: 421 OI2026-10-21: 450 OI2026-10-23: 450 OI Oct 09, 2026Oct 23, 2026

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

CME contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4500
Oct 21, 2026450+29
Oct 16, 2026421-1
Oct 15, 2026422+14
Oct 14, 2026408+1
Oct 13, 2026407+332
Oct 09, 202675No prior observation