AnaptysBio (ANAB) Options Chain
NASDAQ: ANABHealth 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
- $45.95
- Put/call ratio (OI)
- 1.06
- Put/call ratio (volume)
- 0.50
- Expected move
- ±$27.21
- Open interest (C / P)
- 16 / 17
ANAB options summary
The ANAB options chain for the May 21, 2027 expiration lists 1 call and 1 put contracts, with 223 days until expiration. Open interest stands at 16 calls and 17 puts, a put/call ratio of 1.06, which is fairly balanced between calls and puts. At-the-money implied volatility near the $30.00 strike is 75.8%, which implies the market expects a move of about ±$27.21 (59.2%) in AnaptysBio stock by expiration.
The most open interest sits at the $75.00 call (16 contracts) and the $30.00 put (17 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ANAB options chain · May 21, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 30.00 | 0.55 | 5.40 | 2.49 | |||||
| 5.00 | 1.50 | 6.00 | 75.00 | — | — | — | |||||
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 ANAB put/call ratio?
For the May 21, 2027 expiration, the ANAB put/call ratio based on open interest is 1.06 (17 puts vs 16 calls), and 0.50 based on today's volume. A ratio above 1 means more puts than calls.
What is ANAB's implied volatility?
At-the-money implied volatility for ANAB options expiring May 21, 2027 is about 75.8%, an annualized estimate of how much the market expects AnaptysBio stock to move.
How many ANAB option expiration dates are there?
ANAB has 4 listed expiration dates, from Oct 16, 2026 to May 21, 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.