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Contract OI history

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Dec 18, 2026 EXPIRATION

BHF $50.00 Put

BHF261218P00050000

Latest saved OI2,380Oct 23, 2026
Last change+18vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BHF $50.00 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. 2,3801,1900 2026-10-09: 2,035 OI2026-10-13: 2,353 OI2026-10-14: 2,353 OI2026-10-15: 2,354 OI2026-10-16: 2,354 OI2026-10-21: 2,362 OI2026-10-23: 2,380 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, 2026Viewing2,380+18
Oct 21, 20262,362+8
Oct 16, 20262,3540
Oct 15, 20262,354+1
Oct 14, 20262,3530
Oct 13, 20262,353+318
Oct 09, 20262,035No prior observation