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Contract OI history

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Jan 15, 2027 EXPIRATION

BHVN $9.00 Put

BHVN270115P00009000

Latest saved OI40Oct 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 $9.00 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. 40200 2026-10-02: 33 OI2026-10-05: 33 OI2026-10-06: 33 OI2026-10-07: 33 OI2026-10-08: 36 OI2026-10-09: 36 OI2026-10-13: 36 OI2026-10-14: 36 OI2026-10-16: 36 OI2026-10-20: 40 OI2026-10-23: 40 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, 2026Viewing400
Oct 20, 202640+4
Oct 16, 2026360
Oct 14, 2026360
Oct 13, 2026360
Oct 09, 2026360
Oct 08, 202636+3
Oct 07, 2026330
Oct 06, 2026330
Oct 05, 2026330
Oct 02, 202633No prior observation