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Contract OI history

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Nov 20, 2026 EXPIRATION

BHVN $11.00 Put

BHVN261120P00011000

Latest saved OI24Oct 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 $11.00 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. 24120 2026-10-02: 9 OI2026-10-05: 9 OI2026-10-06: 9 OI2026-10-07: 14 OI2026-10-08: 14 OI2026-10-09: 14 OI2026-10-13: 18 OI2026-10-14: 18 OI2026-10-16: 18 OI2026-10-20: 24 OI2026-10-23: 24 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, 2026Viewing240
Oct 20, 202624+6
Oct 16, 2026180
Oct 14, 2026180
Oct 13, 202618+4
Oct 09, 2026140
Oct 08, 2026140
Oct 07, 202614+5
Oct 06, 202690
Oct 05, 202690
Oct 02, 20269No prior observation