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Contract OI history

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Dec 18, 2026 EXPIRATION

CME $320.00 Call

CME261218C00320000

Latest saved OI283Oct 23, 2026
Last change+118vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CME $320.00 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. 2831410 2026-10-09: 94 OI2026-10-13: 95 OI2026-10-14: 95 OI2026-10-15: 109 OI2026-10-16: 110 OI2026-10-21: 165 OI2026-10-23: 283 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, 2026Viewing283+118
Oct 21, 2026165+55
Oct 16, 2026110+1
Oct 15, 2026109+14
Oct 14, 2026950
Oct 13, 202695+1
Oct 09, 202694No prior observation