Werewolf Therapeutics (HOWL) Options Chain
NASDAQ: HOWLHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 39
- Share price
- $0.9796
- Put/call ratio (volume)
- 0.00
- Expected move
- ±$0.01
- Open interest (C / P)
- 0 / 0
HOWL options summary
The HOWL options chain for the November 20, 2026 expiration lists 3 call and 0 put contracts, with 39 days until expiration. At-the-money implied volatility near the $1.00 strike is 3.1%, which implies the market expects a move of about ±$0.01 (1.0%) in Werewolf Therapeutics stock by expiration.
Summary generated from market data by MetaCap's automated system. Methodology
HOWL options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.48 | 0.00 | 0.00 | 0.50 | — | — | — | |||||
| 0.16 | 0.00 | 0.00 | 1.00 | — | — | — | |||||
| 0.05 | 0.00 | 0.00 | 1.50 | — | — | — | |||||
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 HOWL's implied volatility?
At-the-money implied volatility for HOWL options expiring November 20, 2026 is about 3.1%, an annualized estimate of how much the market expects Werewolf Therapeutics stock to move.
How many HOWL option expiration dates are there?
HOWL has 4 listed expiration dates, from Oct 16, 2026 to Apr 16, 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.