Options market record
INSM options flowcalls and puts bought each day.
On Oct 29, 2026, traders bought 9.39K INSM call contracts ($2.5M) and 1.42K put contracts ($454.6K). Calls were 8.9× and puts were — their respective 20-day medians. The underlying closed at $111.12 and 30-day implied volatility was 75.2%. On the call-buy top 10 on 1 of 490 trading days since Nov 11, 2024.
Each point is one trading day since Nov 11, 2024. Latest rankings · Earnings history
Daily contracts bought
Call contracts: min 6, max 11.61K, latest 9.39K. Put contracts: min 0, max 11.11K, latest 1.42K.
30-day implied volatility
30-day IV: min 33.2%, max 75.2%, latest 75.2%.
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 |
|---|---|---|---|---|
| Oct 29, 2026 | 9 | — | 8.9× | — |
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