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Contract OI history

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Jan 15, 2027 EXPIRATION

BHVN $20.00 Put

BHVN270115P00020000

Latest saved OI22Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BHVN $20.00 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. 114570 2026-10-02: 114 OI2026-10-05: 114 OI2026-10-06: 22 OI2026-10-07: 22 OI2026-10-08: 22 OI2026-10-09: 22 OI2026-10-13: 22 OI2026-10-14: 22 OI2026-10-16: 22 OI2026-10-20: 22 OI2026-10-23: 22 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, 2026Viewing220
Oct 20, 2026220
Oct 16, 2026220
Oct 14, 2026220
Oct 13, 2026220
Oct 09, 2026220
Oct 08, 2026220
Oct 07, 2026220
Oct 06, 202622-92
Oct 05, 20261140
Oct 02, 2026114No prior observation