OITracker Cboe delayed data

Contract OI history

Back to BHF

Dec 18, 2026 EXPIRATION

BHF $55.00 Call

BHF261218C00055000

Latest saved OI724Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BHF $55.00 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. 7243620 2026-10-09: 701 OI2026-10-13: 706 OI2026-10-14: 706 OI2026-10-15: 706 OI2026-10-16: 706 OI2026-10-21: 714 OI2026-10-23: 724 OI Oct 09, 2026Oct 23, 2026

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

BHF contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing724+10
Oct 21, 2026714+8
Oct 16, 20267060
Oct 15, 20267060
Oct 14, 20267060
Oct 13, 2026706+5
Oct 09, 2026701No prior observation