Werewolf Therapeutics (HOWL) Options Chain
NASDAQ: HOWLHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Jan 15, 2027
- Days to expiration
- 96
- Share price
- $0.9796
- Put/call ratio (OI)
- 0.03
- Put/call ratio (volume)
- 0.09
- ATM implied volatility
- 244.5%
- Expected move
- ±$1.23
- Open interest (C / P)
- 1.34K / 44
HOWL options summary
The HOWL options chain for the January 15, 2027 expiration lists 4 call and 4 put contracts, with 96 days until expiration. Open interest stands at 1,344 calls and 44 puts, a put/call ratio of 0.03, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $1.00 strike is 244.5%, which implies the market expects a move of about ±$1.23 (125.4%) in Werewolf Therapeutics stock by expiration.
The most open interest sits at the $2.50 call (1.34K contracts) and the $2.50 put (40 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
HOWL options chain · January 15, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 0.50 | 0.00 | 0.75 | 0.09 | |||||
| — | — | — | 1.00 | 0.00 | 0.95 | 0.30 | |||||
| 0.10 | 0.00 | 0.15 | 1.50 | — | — | — | |||||
| 0.05 | 0.00 | 0.05 | 2.50 | 1.30 | 2.05 | 2.40 | |||||
| 0.07 | 0.00 | 0.00 | 5.00 | — | — | — | |||||
| 0.11 | 0.00 | 0.00 | 7.50 | 5.90 | 7.40 | 7.20 | |||||
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 January 15, 2027 expiration, the HOWL put/call ratio based on open interest is 0.03 (44 puts vs 1,344 calls), and 0.09 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 January 15, 2027 is about 244.5%, 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.