Halozyme Therapeutics (HALO) Options Chain
NASDAQ: HALOHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Aug 20, 2027
- Days to expiration
- 313
- Share price
- $110.42
- Put/call ratio (OI)
- 0.00
- Expected move
- ±$42.71
- Open interest (C / P)
- 1 / 0
HALO options summary
The HALO options chain for the August 20, 2027 expiration lists 1 call and 0 put contracts, with 313 days until expiration. Open interest stands at 1 calls and 0 puts, a put/call ratio of 0.00, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $160.00 strike is 41.8%, which implies the market expects a move of about ±$42.71 (38.7%) in Halozyme Therapeutics stock by expiration.
Summary generated from market data by MetaCap's automated system. Methodology
HALO options chain · August 20, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 4.50 | 0.50 | 4.60 | 160.00 | — | — | — | |||||
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 HALO put/call ratio?
For the August 20, 2027 expiration, the HALO put/call ratio based on open interest is 0.00 (0 puts vs 1 calls). A ratio above 1 means more puts than calls.
What is HALO's implied volatility?
At-the-money implied volatility for HALO options expiring August 20, 2027 is about 41.8%, an annualized estimate of how much the market expects Halozyme Therapeutics stock to move.
How many HALO option expiration dates are there?
HALO has 7 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.