Werewolf Therapeutics (HOWL) Options Chain
NASDAQ: HOWLHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Apr 16, 2027
- Days to expiration
- 187
- Share price
- $0.9796
- Put/call ratio (OI)
- 0.00
- Put/call ratio (volume)
- 0.00
- ATM implied volatility
- 195.3%
- Expected move
- ±$1.37
- Open interest (C / P)
- 590 / 1
HOWL options summary
The HOWL options chain for the April 16, 2027 expiration lists 6 call and 1 put contracts, with 187 days until expiration. Open interest stands at 590 calls and 1 puts, a put/call ratio of 0.00, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $1.00 strike is 195.3%, which implies the market expects a move of about ±$1.37 (139.8%) in Werewolf Therapeutics stock by expiration.
The most open interest sits at the $2.50 call (579 contracts) and the $0.50 put (1 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
HOWL options chain · April 16, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.45 | 0.10 | 1.10 | 0.50 | 0.00 | 1.00 | 0.13 | |||||
| 0.38 | 0.00 | 1.00 | 1.00 | — | — | — | |||||
| 0.27 | 0.05 | 0.40 | 1.50 | — | — | — | |||||
| 0.20 | 0.00 | 0.20 | 2.00 | — | — | — | |||||
| 0.10 | 0.00 | 0.20 | 2.50 | — | — | — | |||||
| 0.10 | 0.00 | 0.00 | 5.00 | — | — | — | |||||
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 HOWL put/call ratio?
For the April 16, 2027 expiration, the HOWL put/call ratio based on open interest is 0.00 (1 puts vs 590 calls), and 0.00 based on today's volume. A ratio above 1 means more puts than calls.
What is HOWL's implied volatility?
At-the-money implied volatility for HOWL options expiring April 16, 2027 is about 195.3%, 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.