Annexon (ANNX) Options Chain
NASDAQ: ANNXHealth 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
- $4.02
- Put/call ratio (OI)
- 0.79
- Put/call ratio (volume)
- 0.17
- ATM implied volatility
- 274.6%
- Expected move
- ±$5.66
- Open interest (C / P)
- 16.05K / 12.68K
ANNX options summary
The ANNX options chain for the January 15, 2027 expiration lists 11 call and 8 put contracts, with 96 days until expiration. Open interest stands at 16,048 calls and 12,675 puts, a put/call ratio of 0.79, which is fairly balanced between calls and puts. At-the-money implied volatility near the $4.00 strike is 274.6%, which implies the market expects a move of about ±$5.66 (140.8%) in Annexon stock by expiration.
The most open interest sits at the $8.00 call (7.27K contracts) and the $4.00 put (5.29K contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ANNX options chain · January 15, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 3.00 | 0.60 | 5.50 | 1.00 | — | — | — | |||||
| 2.40 | 0.00 | 4.90 | 2.00 | 0.05 | 0.60 | 0.50 | |||||
| 1.90 | 1.50 | 4.90 | 3.00 | 0.45 | 1.10 | 0.83 | |||||
| 1.75 | 0.00 | 4.80 | 4.00 | 1.25 | 2.25 | 1.70 | |||||
| 1.50 | 0.00 | 4.40 | 5.00 | 1.70 | 2.55 | 2.40 | |||||
| 1.30 | 0.05 | 3.50 | 6.00 | 1.00 | 4.10 | 3.70 | |||||
| 0.90 | 0.75 | 2.00 | 7.00 | 0.00 | 0.00 | 3.35 | |||||
| 0.50 | 0.50 | 1.50 | 8.00 | 0.00 | 0.00 | 3.70 | |||||
| 1.57 | 0.00 | 3.90 | 9.00 | — | — | — | |||||
| 0.80 | 0.80 | 0.85 | 10.00 | — | — | — | |||||
| 0.79 | 0.40 | 1.05 | 11.00 | 0.00 | 0.00 | 6.54 | |||||
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 ANNX put/call ratio?
For the January 15, 2027 expiration, the ANNX put/call ratio based on open interest is 0.79 (12,675 puts vs 16,048 calls), and 0.17 based on today's volume. A ratio above 1 means more puts than calls.
What is ANNX's implied volatility?
At-the-money implied volatility for ANNX options expiring January 15, 2027 is about 274.6%, an annualized estimate of how much the market expects Annexon stock to move.
How many ANNX option expiration dates are there?
ANNX has 7 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.
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.