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Contract OI history

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Nov 20, 2026 EXPIRATION

BHVN $13.00 Call

BHVN261120C00013000

Latest saved OI156Oct 23, 2026
Last change+48vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BHVN $13.00 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. 2031010 2026-10-02: 202 OI2026-10-05: 202 OI2026-10-06: 202 OI2026-10-07: 203 OI2026-10-08: 203 OI2026-10-09: 203 OI2026-10-13: 202 OI2026-10-14: 202 OI2026-10-16: 202 OI2026-10-20: 108 OI2026-10-23: 156 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, 2026Viewing156+48
Oct 20, 2026108-94
Oct 16, 20262020
Oct 14, 20262020
Oct 13, 2026202-1
Oct 09, 20262030
Oct 08, 20262030
Oct 07, 2026203+1
Oct 06, 20262020
Oct 05, 20262020
Oct 02, 2026202No prior observation