OITracker Cboe delayed data

Contract OI history

Back to CME

Dec 18, 2026 EXPIRATION

CME $270.00 Call

CME261218C00270000

Latest saved OI232Oct 23, 2026
Last change-14vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CME $270.00 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. 2591290 2026-10-09: 259 OI2026-10-13: 258 OI2026-10-14: 258 OI2026-10-15: 258 OI2026-10-16: 257 OI2026-10-21: 246 OI2026-10-23: 232 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, 2026Viewing232-14
Oct 21, 2026246-11
Oct 16, 2026257-1
Oct 15, 20262580
Oct 14, 20262580
Oct 13, 2026258-1
Oct 09, 2026259No prior observation