OITracker Cboe delayed data

Contract OI history

Back to BX

Dec 18, 2026 EXPIRATION

BX $145.00 Call

BX261218C00145000

Latest saved OI930Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $145.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 9724860 2026-10-02: 953 OI2026-10-05: 954 OI2026-10-06: 972 OI2026-10-07: 972 OI2026-10-08: 965 OI2026-10-09: 938 OI2026-10-13: 936 OI2026-10-14: 935 OI2026-10-15: 935 OI2026-10-16: 935 OI2026-10-21: 927 OI2026-10-23: 930 OI Oct 02, 2026Oct 23, 2026

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

BX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing930+3
Oct 21, 2026927-8
Oct 16, 20269350
Oct 15, 20269350
Oct 14, 2026935-1
Oct 13, 2026936-2
Oct 09, 2026938-27
Oct 08, 2026965-7
Oct 07, 20269720
Oct 06, 2026972+18
Oct 05, 2026954+1
Oct 02, 2026953No prior observation