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Contract OI history

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Dec 18, 2026 EXPIRATION

CME $300.00 Call

CME261218C00300000

Latest saved OI1,212Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CME $300.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,2126060 2026-10-09: 1,032 OI2026-10-13: 1,025 OI2026-10-14: 1,029 OI2026-10-15: 1,028 OI2026-10-16: 1,146 OI2026-10-21: 1,202 OI2026-10-23: 1,212 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, 2026Viewing1,212+10
Oct 21, 20261,202+56
Oct 16, 20261,146+118
Oct 15, 20261,028-1
Oct 14, 20261,029+4
Oct 13, 20261,025-7
Oct 09, 20261,032No prior observation