OITracker Cboe delayed data

Contract OI history

Back to BULL

Dec 18, 2026 EXPIRATION

BULL $12.50 Call

BULL261218C00012500

Latest saved OI19,092Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BULL $12.50 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. 19,0959,5470 2026-10-09: 18,873 OI2026-10-13: 19,091 OI2026-10-14: 19,091 OI2026-10-15: 19,089 OI2026-10-16: 19,095 OI2026-10-21: 19,092 OI2026-10-23: 19,092 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BULL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing19,0920
Oct 21, 202619,092-3
Oct 16, 202619,095+6
Oct 15, 202619,089-2
Oct 14, 202619,0910
Oct 13, 202619,091+218
Oct 09, 202618,873No prior observation