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Contract OI history

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Nov 20, 2026 EXPIRATION

BHVN $12.00 Call

BHVN261120C00012000

Latest saved OI372Oct 23, 2026
Last change+298vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BHVN $12.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3721860 2026-10-02: 10 OI2026-10-05: 10 OI2026-10-06: 10 OI2026-10-07: 12 OI2026-10-08: 12 OI2026-10-09: 16 OI2026-10-13: 36 OI2026-10-14: 46 OI2026-10-16: 53 OI2026-10-20: 74 OI2026-10-23: 372 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, 2026Viewing372+298
Oct 20, 202674+21
Oct 16, 202653+7
Oct 14, 202646+10
Oct 13, 202636+20
Oct 09, 202616+4
Oct 08, 2026120
Oct 07, 202612+2
Oct 06, 2026100
Oct 05, 2026100
Oct 02, 202610No prior observation