Annexon (ANNX) Options Chain
NASDAQ: ANNXHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Apr 16, 2027
- Days to expiration
- 187
- Share price
- $4.02
- Put/call ratio (OI)
- 0.00
- Put/call ratio (volume)
- 0.19
- ATM implied volatility
- 269.1%
- Expected move
- ±$7.74
- Open interest (C / P)
- 638 / 3
ANNX options summary
The ANNX options chain for the April 16, 2027 expiration lists 7 call and 2 put contracts, with 187 days until expiration. Open interest stands at 638 calls and 3 puts, a put/call ratio of 0.00, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $4.00 strike is 269.1%, which implies the market expects a move of about ±$7.74 (192.6%) in Annexon stock by expiration.
The most open interest sits at the $7.00 call (415 contracts) and the $4.00 put (3 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ANNX options chain · April 16, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 1.90 | 1.00 | 4.70 | 4.00 | 0.15 | 4.80 | 2.35 | |||||
| 1.90 | 1.40 | 2.20 | 5.00 | — | — | — | |||||
| 1.65 | 0.30 | 4.90 | 6.00 | 1.30 | 6.00 | 3.25 | |||||
| 1.60 | 1.05 | 2.70 | 7.00 | — | — | — | |||||
| 1.73 | 0.80 | 4.60 | 8.00 | — | — | — | |||||
| 1.95 | 0.70 | 4.50 | 9.00 | — | — | — | |||||
| 1.30 | 0.55 | 1.45 | 10.00 | — | — | — | |||||
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 April 16, 2027 expiration, the ANNX put/call ratio based on open interest is 0.00 (3 puts vs 638 calls), and 0.19 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 April 16, 2027 is about 269.1%, 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.