Verastem (VSTM) Options Chain
NASDAQ: VSTMHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Jan 21, 2028
- Days to expiration
- 468
- Share price
- $8.38
- Put/call ratio (OI)
- 0.02
- Put/call ratio (volume)
- 0.13
- Expected move
- ±$9.21
- Open interest (C / P)
- 1.99K / 41
VSTM options summary
The VSTM options chain for the January 21, 2028 expiration lists 8 call and 4 put contracts, with 468 days until expiration. Open interest stands at 1,988 calls and 41 puts, a put/call ratio of 0.02, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $7.00 strike is 97.0%, which implies the market expects a move of about ±$9.21 (109.9%) in Verastem stock by expiration.
The most open interest sits at the $5.00 call (508 contracts) and the $5.00 put (25 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
VSTM options chain · January 21, 2028
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 6.10 | 5.40 | 7.00 | 3.00 | 0.00 | 1.50 | 0.05 | |||||
| 4.70 | 2.55 | 6.00 | 5.00 | 1.00 | 2.00 | 0.05 | |||||
| 3.60 | 1.50 | 6.50 | 7.00 | 0.00 | 5.00 | 2.59 | |||||
| 2.85 | 1.50 | 5.50 | 10.00 | 2.00 | 6.50 | 4.90 | |||||
| 3.00 | 0.00 | 5.00 | 12.00 | — | — | — | |||||
| 1.41 | 0.00 | 0.00 | 15.00 | — | — | — | |||||
| 0.73 | 0.05 | 5.00 | 17.00 | — | — | — | |||||
| 4.50 | 0.00 | 4.50 | 20.00 | — | — | — | |||||
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 the VSTM put/call ratio?
For the January 21, 2028 expiration, the VSTM put/call ratio based on open interest is 0.02 (41 puts vs 1,988 calls), and 0.13 based on today's volume. A ratio above 1 means more puts than calls.
What is VSTM's implied volatility?
At-the-money implied volatility for VSTM options expiring January 21, 2028 is about 97.0%, 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.