Options market record
BKLN options flowcalls and puts bought each day.
On Oct 23, 2026, traders bought 397 BKLN call contracts ($8.8K) and 3.6K put contracts ($72.8K). Calls were — and puts were — their respective 20-day medians. The underlying closed at $20.27 and 30-day implied volatility was 18.9%.
Each point is one trading day since Nov 11, 2024. Latest rankings
Daily contracts bought
Call contracts: min 0, max 40.09K, latest 397. Put contracts: min 0, max 148.04K, latest 3.6K.
30-day implied volatility
30-day IV: min 3.0%, max 239.1%, latest 18.9%.
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 |
|---|---|---|---|---|
| Mar 10, 2026 | — | 9 | — | 4.0× |
| Mar 5, 2026 | — | 4 | — | 10.7× |
| Feb 26, 2026 | — | 3 | — | 12.4× |
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