Stoke Therapeutics (STOK) Options Chain
NASDAQ: STOKHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- May 21, 2027
- Days to expiration
- 223
- Share price
- $24.74
- Put/call ratio (OI)
- 0.67
- Put/call ratio (volume)
- 0.00
- Expected move
- ±$13.12
- Open interest (C / P)
- 3 / 2
STOK options summary
The STOK options chain for the May 21, 2027 expiration lists 2 call and 1 put contracts, with 223 days until expiration. Open interest stands at 3 calls and 2 puts, a put/call ratio of 0.67, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $22.50 strike is 67.9%, which implies the market expects a move of about ±$13.12 (53.0%) in Stoke Therapeutics stock by expiration.
The most open interest sits at the $40.00 call (2 contracts) and the $35.00 put (2 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
STOK options chain · May 21, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 9.90 | 3.80 | 8.50 | 22.50 | — | — | — | |||||
| — | — | — | 35.00 | 9.70 | 13.50 | 10.00 | |||||
| 2.00 | 0.00 | 4.90 | 40.00 | — | — | — | |||||
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 May 21, 2027 expiration, the STOK put/call ratio based on open interest is 0.67 (2 puts vs 3 calls), and 0.00 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 May 21, 2027 is about 67.9%, 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.