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Contract OI history

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Oct 23, 2026 EXPIRATION

CME $275.00 Put

CME261023P00275000

Latest saved OI215Oct 23, 2026
Last change+31vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CME $275.00 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. 2151070 2026-10-09: 10 OI2026-10-13: 11 OI2026-10-14: 11 OI2026-10-15: 12 OI2026-10-16: 12 OI2026-10-21: 184 OI2026-10-23: 215 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, 2026Viewing215+31
Oct 21, 2026184+172
Oct 16, 2026120
Oct 15, 202612+1
Oct 14, 2026110
Oct 13, 202611+1
Oct 09, 202610No prior observation