OITracker Cboe delayed data

Contract OI history

Back to BHF

Nov 20, 2026 EXPIRATION

BHF $55.00 Put

BHF261120P00055000

Latest saved OI191Oct 23, 2026
Last change-11vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BHF $55.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2021010 2026-10-09: 200 OI2026-10-13: 200 OI2026-10-14: 200 OI2026-10-15: 202 OI2026-10-16: 202 OI2026-10-21: 202 OI2026-10-23: 191 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, 2026Viewing191-11
Oct 21, 20262020
Oct 16, 20262020
Oct 15, 2026202+2
Oct 14, 20262000
Oct 13, 20262000
Oct 09, 2026200No prior observation