OITracker Cboe delayed data

Contract OI history

Back to BC

Dec 18, 2026 EXPIRATION

BC $75.00 Call

BC261218C00075000

Latest saved OI67Oct 23, 2026
Last change+13vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BC $75.00 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. 67330 2026-10-02: 42 OI2026-10-05: 42 OI2026-10-06: 42 OI2026-10-07: 42 OI2026-10-08: 42 OI2026-10-09: 42 OI2026-10-13: 42 OI2026-10-14: 42 OI2026-10-15: 42 OI2026-10-16: 52 OI2026-10-21: 54 OI2026-10-23: 67 OI Oct 02, 2026Oct 23, 2026

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

BC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing67+13
Oct 21, 202654+2
Oct 16, 202652+10
Oct 15, 2026420
Oct 14, 2026420
Oct 13, 2026420
Oct 09, 2026420
Oct 08, 2026420
Oct 07, 2026420
Oct 06, 2026420
Oct 05, 2026420
Oct 02, 202642No prior observation