OITracker Cboe delayed data

Contract OI history

Back to CME

Jan 15, 2027 EXPIRATION

CME $340.00 Call

CME270115C00340000

Latest saved OI336Oct 23, 2026
Last change+53vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CME $340.00 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. 3361680 2026-10-09: 278 OI2026-10-13: 278 OI2026-10-14: 278 OI2026-10-15: 278 OI2026-10-16: 276 OI2026-10-21: 283 OI2026-10-23: 336 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, 2026Viewing336+53
Oct 21, 2026283+7
Oct 16, 2026276-2
Oct 15, 20262780
Oct 14, 20262780
Oct 13, 20262780
Oct 09, 2026278No prior observation