Verastem (VSTM) Options Chain
NASDAQ: VSTMHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 39
- Share price
- $8.38
- Put/call ratio (volume)
- 0.18
- Expected move
- ±$0.1712
- Open interest (C / P)
- 0 / 0
VSTM options summary
The VSTM options chain for the November 20, 2026 expiration lists 11 call and 5 put contracts, with 39 days until expiration. At-the-money implied volatility near the $8.00 strike is 6.3%, which implies the market expects a move of about ±$0.1712 (2.0%) in Verastem stock by expiration. The most open interest sits at the $3.00 call (0 contracts) and the $5.00 put (0 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
VSTM options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 7.17 | 0.00 | 0.00 | 1.00 | — | — | — | |||||
| 5.60 | 0.00 | 0.00 | 3.00 | — | — | — | |||||
| 3.10 | 0.00 | 0.00 | 5.00 | 0.00 | 0.00 | 0.80 | |||||
| 2.55 | 0.00 | 0.00 | 6.00 | 0.00 | 0.00 | 1.45 | |||||
| 2.50 | 0.00 | 0.00 | 7.00 | 0.00 | 0.00 | 1.71 | |||||
| 2.31 | 0.00 | 0.00 | 8.00 | 0.00 | 0.00 | 1.55 | |||||
| 1.80 | 0.00 | 0.00 | 9.00 | 0.00 | 0.00 | 3.40 | |||||
| 1.40 | 0.00 | 0.00 | 10.00 | — | — | — | |||||
| 0.83 | 0.00 | 0.00 | 11.00 | — | — | — | |||||
| 1.00 | 0.00 | 0.00 | 12.00 | — | — | — | |||||
| 0.52 | 0.00 | 0.00 | 15.00 | — | — | — | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is VSTM's implied volatility?
At-the-money implied volatility for VSTM options expiring November 20, 2026 is about 6.3%, an annualized estimate of how much the market expects Verastem stock to move.
How many VSTM option expiration dates are there?
VSTM has 6 listed expiration dates, from Oct 16, 2026 to Jan 21, 2028.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.