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Contract OI history

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Jan 21, 2028 EXPIRATION

BHVN $7.50 Call

BHVN280121C00007500

Latest saved OI486Oct 23, 2026
Last change-1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BHVN $7.50 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. 5022510 2026-10-02: 492 OI2026-10-05: 492 OI2026-10-06: 492 OI2026-10-07: 492 OI2026-10-08: 492 OI2026-10-09: 502 OI2026-10-13: 502 OI2026-10-14: 487 OI2026-10-16: 487 OI2026-10-20: 487 OI2026-10-23: 486 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, 2026Viewing486-1
Oct 20, 20264870
Oct 16, 20264870
Oct 14, 2026487-15
Oct 13, 20265020
Oct 09, 2026502+10
Oct 08, 20264920
Oct 07, 20264920
Oct 06, 20264920
Oct 05, 20264920
Oct 02, 2026492No prior observation