Summit Therapeutics (SMMT) Options Chain
NASDAQ: SMMTHealth 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
- $17.59
- Put/call ratio (OI)
- 0.28
- Put/call ratio (volume)
- 5.39
- Expected move
- ±$18.44
- Open interest (C / P)
- 7.41K / 2.05K
SMMT options summary
The SMMT options chain for the January 21, 2028 expiration lists 16 call and 12 put contracts, with 468 days until expiration. Open interest stands at 7,405 calls and 2,046 puts, a put/call ratio of 0.28, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $17.00 strike is 92.6%, which implies the market expects a move of about ±$18.44 (104.8%) in Summit Therapeutics stock by expiration.
The most open interest sits at the $20.00 call (2.21K contracts) and the $10.00 put (572 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
SMMT options chain · January 21, 2028
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 13.87 | 12.50 | 17.50 | 3.00 | 0.00 | 2.60 | 0.30 | |||||
| 12.00 | 11.00 | 16.00 | 5.00 | 0.00 | 0.00 | 0.95 | |||||
| 11.00 | 9.60 | 13.50 | 8.00 | 0.80 | 2.30 | 2.00 | |||||
| 10.18 | 9.20 | 10.90 | 10.00 | 1.65 | 2.70 | 2.45 | |||||
| 9.72 | 8.30 | 10.50 | 13.00 | 3.00 | 4.20 | 3.90 | |||||
| 7.80 | 7.60 | 8.20 | 15.00 | 3.30 | 7.30 | 4.80 | |||||
| 7.80 | 7.00 | 7.70 | 17.00 | 4.00 | 9.00 | 6.10 | |||||
| 6.40 | 6.00 | 7.60 | 20.00 | 6.30 | 10.70 | 8.40 | |||||
| 5.65 | 4.00 | 6.50 | 22.00 | 7.00 | 12.00 | 9.80 | |||||
| 5.08 | 3.00 | 6.50 | 25.00 | 10.50 | 15.50 | 11.10 | |||||
| 5.04 | 2.50 | 6.50 | 27.00 | — | — | — | |||||
| 4.00 | 3.00 | 6.50 | 30.00 | 13.50 | 18.50 | 17.69 | |||||
| 2.72 | 2.00 | 6.50 | 32.00 | — | — | — | |||||
| 3.60 | 1.50 | 6.00 | 35.00 | — | — | — | |||||
| 3.05 | 1.00 | 5.60 | 37.00 | — | — | — | |||||
| 3.36 | 1.70 | 4.40 | 40.00 | 26.00 | 31.00 | 26.10 | |||||
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 January 21, 2028 expiration, the SMMT put/call ratio based on open interest is 0.28 (2,046 puts vs 7,405 calls), and 5.39 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 January 21, 2028 is about 92.6%, 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.