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Contract OI history

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Jan 15, 2027 EXPIRATION

BHVN $20.00 Call

BHVN270115C00020000

Latest saved OI1,766Oct 23, 2026
Last change+343vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BHVN $20.00 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. 1,7668830 2026-10-02: 1,373 OI2026-10-05: 1,411 OI2026-10-06: 1,431 OI2026-10-07: 1,429 OI2026-10-08: 1,431 OI2026-10-09: 1,431 OI2026-10-13: 1,441 OI2026-10-14: 1,418 OI2026-10-16: 1,423 OI2026-10-20: 1,423 OI2026-10-23: 1,766 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, 2026Viewing1,766+343
Oct 20, 20261,4230
Oct 16, 20261,423+5
Oct 14, 20261,418-23
Oct 13, 20261,441+10
Oct 09, 20261,4310
Oct 08, 20261,431+2
Oct 07, 20261,429-2
Oct 06, 20261,431+20
Oct 05, 20261,411+38
Oct 02, 20261,373No prior observation