Stoke Therapeutics (STOK) Options Chain
NASDAQ: STOKHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Feb 19, 2027
- Days to expiration
- 131
- Share price
- $24.74
- Put/call ratio (OI)
- 0.27
- Put/call ratio (volume)
- 1.47
- Expected move
- ±$9.05
- Open interest (C / P)
- 155 / 42
STOK options summary
The STOK options chain for the February 19, 2027 expiration lists 7 call and 5 put contracts, with 131 days until expiration. Open interest stands at 155 calls and 42 puts, a put/call ratio of 0.27, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $25.00 strike is 61.1%, which implies the market expects a move of about ±$9.05 (36.6%) in Stoke Therapeutics stock by expiration.
The most open interest sits at the $30.00 call (94 contracts) and the $22.50 put (21 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
STOK options chain · February 19, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 16.00 | 13.00 | 17.80 | 15.00 | — | — | — | |||||
| 8.60 | 4.00 | 8.30 | 20.00 | 0.00 | 2.20 | 1.85 | |||||
| — | — | — | 22.50 | 2.05 | 4.00 | 2.50 | |||||
| 5.45 | 1.50 | 5.50 | 25.00 | 1.50 | 6.00 | 2.35 | |||||
| 2.26 | 0.10 | 4.90 | 30.00 | 5.00 | 9.00 | 5.97 | |||||
| 0.90 | 0.00 | 4.90 | 35.00 | 9.00 | 13.00 | 7.15 | |||||
| 2.95 | 0.00 | 2.00 | 40.00 | — | — | — | |||||
| 0.80 | 0.00 | 4.90 | 45.00 | — | — | — | |||||
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 STOK put/call ratio?
For the February 19, 2027 expiration, the STOK put/call ratio based on open interest is 0.27 (42 puts vs 155 calls), and 1.47 based on today's volume. A ratio above 1 means more puts than calls.
What is STOK's implied volatility?
At-the-money implied volatility for STOK options expiring February 19, 2027 is about 61.1%, an annualized estimate of how much the market expects Stoke Therapeutics stock to move.
How many STOK option expiration dates are there?
STOK has 5 listed expiration dates, from Oct 16, 2026 to Dec 17, 2027.
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.