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Contract OI history

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Oct 23, 2026 EXPIRATION

CME $300.00 Put

CME261023P00300000

Latest saved OI468Oct 23, 2026
Last change+6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CME $300.00 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. 4682340 2026-10-09: 0 OI2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 0 OI2026-10-16: 0 OI2026-10-21: 462 OI2026-10-23: 468 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, 2026Viewing468+6
Oct 21, 2026462+462
Oct 16, 202600
Oct 15, 202600
Oct 14, 202600
Oct 13, 202600
Oct 09, 20260No prior observation