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Contract OI history

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Nov 20, 2026 EXPIRATION

BHVN $12.00 Put

BHVN261120P00012000

Latest saved OI380Oct 23, 2026
Last change+363vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BHVN $12.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3801900 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 1 OI2026-10-07: 4 OI2026-10-08: 5 OI2026-10-09: 5 OI2026-10-13: 32 OI2026-10-14: 33 OI2026-10-16: 17 OI2026-10-20: 17 OI2026-10-23: 380 OI Oct 02, 2026Oct 23, 2026

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

BHVN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing380+363
Oct 20, 2026170
Oct 16, 202617-16
Oct 14, 202633+1
Oct 13, 202632+27
Oct 09, 202650
Oct 08, 20265+1
Oct 07, 20264+3
Oct 06, 20261+1
Oct 05, 202600
Oct 02, 20260No prior observation