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Contract OI history

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Dec 18, 2026 EXPIRATION

BHVN $11.00 Call

BHVN261218C00011000

Latest saved OI65Oct 23, 2026
Last change-3vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BHVN $11.00 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. 68340 2026-10-02: 13 OI2026-10-05: 13 OI2026-10-06: 13 OI2026-10-07: 13 OI2026-10-08: 13 OI2026-10-09: 13 OI2026-10-13: 16 OI2026-10-14: 16 OI2026-10-16: 56 OI2026-10-20: 68 OI2026-10-23: 65 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, 2026Viewing65-3
Oct 20, 202668+12
Oct 16, 202656+40
Oct 14, 2026160
Oct 13, 202616+3
Oct 09, 2026130
Oct 08, 2026130
Oct 07, 2026130
Oct 06, 2026130
Oct 05, 2026130
Oct 02, 202613No prior observation