OITracker Cboe delayed data

Contract OI history

Back to CME

Oct 23, 2026 EXPIRATION

CME $312.50 Call

CME261023C00312500

Latest saved OI96Oct 23, 2026
Last change+72vs previous saved observation
Saved market days6Oct 13, 2026 onwards
Daily open interest Hover a point for its date and OI
CME $312.50 call open interest history 6 saved observations from 2026-10-13 to 2026-10-23. Exact values and changes are listed in the table below. 96480 2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 0 OI2026-10-16: 0 OI2026-10-21: 24 OI2026-10-23: 96 OI Oct 13, 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, 2026Viewing96+72
Oct 21, 202624+24
Oct 16, 202600
Oct 15, 202600
Oct 14, 202600
Oct 13, 20260No prior observation