Summit Therapeutics (SMMT) Options Chain
NASDAQ: SMMTHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 13, 2026
- Days to expiration
- 33
- Share price
- $17.59
- Put/call ratio (OI)
- 0.25
- Put/call ratio (volume)
- 0.50
- ATM implied volatility
- 120.7%
- Expected move
- ±$6.38
- Open interest (C / P)
- 4 / 1
SMMT options summary
The SMMT options chain for the November 13, 2026 expiration lists 1 call and 1 put contracts, with 33 days until expiration. Open interest stands at 4 calls and 1 puts, a put/call ratio of 0.25, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $18.00 strike is 120.7%, which implies the market expects a move of about ±$6.38 (36.3%) in Summit Therapeutics stock by expiration.
The most open interest sits at the $18.00 call (4 contracts) and the $17.00 put (1 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
SMMT options chain · November 13, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 17.00 | 0.20 | 3.90 | 1.81 | |||||
| 2.07 | 1.10 | 3.70 | 18.00 | — | — | — | |||||
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 SMMT put/call ratio?
For the November 13, 2026 expiration, the SMMT put/call ratio based on open interest is 0.25 (1 puts vs 4 calls), and 0.50 based on today's volume. A ratio above 1 means more puts than calls.
What is SMMT's implied volatility?
At-the-money implied volatility for SMMT options expiring November 13, 2026 is about 120.7%, an annualized estimate of how much the market expects Summit Therapeutics stock to move.
How many SMMT option expiration dates are there?
SMMT has 11 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.
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.