Annexon (ANNX) Options Chain
NASDAQ: ANNXHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Jan 19, 2029
- Days to expiration
- 832
- Share price
- $4.02
- Put/call ratio (OI)
- 0.05
- Put/call ratio (volume)
- 0.00
- ATM implied volatility
- 126.4%
- Expected move
- ±$7.67
- Open interest (C / P)
- 95 / 5
ANNX options summary
The ANNX options chain for the January 19, 2029 expiration lists 3 call and 1 put contracts, with 832 days until expiration. Open interest stands at 95 calls and 5 puts, a put/call ratio of 0.05, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $5.00 strike is 126.4%, which implies the market expects a move of about ±$7.67 (190.8%) in Annexon stock by expiration.
The most open interest sits at the $7.00 call (86 contracts) and the $3.00 put (5 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ANNX options chain · January 19, 2029
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 4.50 | 1.00 | 6.00 | 1.00 | — | — | — | |||||
| — | — | — | 3.00 | 0.00 | 5.00 | 1.40 | |||||
| 2.86 | 0.00 | 5.00 | 5.00 | — | — | — | |||||
| 2.44 | 1.40 | 5.00 | 7.00 | — | — | — | |||||
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 ANNX put/call ratio?
For the January 19, 2029 expiration, the ANNX put/call ratio based on open interest is 0.05 (5 puts vs 95 calls), and 0.00 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 19, 2029 is about 126.4%, 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.