Options market record
BHVN options flowcalls and puts bought each day.
On Oct 5, 2026, traders bought 145 BHVN call contracts ($32.9K) and 102 put contracts ($80.7K). Calls were — and puts were — their respective 20-day medians. The underlying closed at $12.97 and 30-day implied volatility was 88.2%. On the call-buy top 10 on 2 of 473 trading days since Nov 11, 2024.
Each point is one trading day since Nov 11, 2024. Latest rankings
Daily contracts bought
Call contracts: min 1, max 25.56K, latest 145. Put contracts: min 0, max 8.74K, latest 102.
30-day implied volatility
30-day IV: min 57.2%, max 352.1%, latest 88.2%.
Days in a top-10 list
Ranked by contracts bought today compared with the stock's own median over the previous 20 trading days.
| Date | Call-buy rank | Put-buy rank | Call vs normal | Put vs normal |
|---|---|---|---|---|
| Dec 9, 2025 | 6 | — | 7.9× | — |
| Nov 5, 2025 | 5 | — | 9.4× | 3.1× |
| Nov 3, 2025 | — | 8 | 1.7× | 4.3× |
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