Alnylam Pharmaceuticals (ALNY) Options Chain
NASDAQ: ALNYHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Jan 19, 2029
- Days to expiration
- 831
- Share price
- $232.68
- Put/call ratio (OI)
- 2.40
- Put/call ratio (volume)
- 2.33
- Expected move
- ±$203.88
- Open interest (C / P)
- 5 / 12
ALNY options summary
The ALNY options chain for the January 19, 2029 expiration lists 4 call and 7 put contracts, with 831 days until expiration. Open interest stands at 5 calls and 12 puts, a put/call ratio of 2.40, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $240.00 strike is 58.1%, which implies the market expects a move of about ±$203.88 (87.6%) in Alnylam Pharmaceuticals stock by expiration.
The most open interest sits at the $270.00 call (2 contracts) and the $330.00 put (5 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ALNY options chain · January 19, 2029
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 125.00 | 11.00 | 16.00 | 12.20 | |||||
| — | — | — | 145.00 | 16.50 | 21.50 | 16.70 | |||||
| — | — | — | 200.00 | 37.50 | 42.50 | 35.35 | |||||
| 89.60 | 74.00 | 79.00 | 240.00 | — | — | — | |||||
| 83.50 | 70.50 | 75.50 | 250.00 | 64.00 | 69.00 | 68.70 | |||||
| 54.40 | 63.50 | 68.00 | 270.00 | 76.00 | 81.00 | 72.48 | |||||
| 60.90 | 48.00 | 53.00 | 320.00 | — | — | — | |||||
| — | — | — | 330.00 | 117.00 | 122.00 | 106.41 | |||||
| — | — | — | 340.00 | 125.00 | 129.50 | 119.00 | |||||
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 ALNY put/call ratio?
For the January 19, 2029 expiration, the ALNY put/call ratio based on open interest is 2.40 (12 puts vs 5 calls), and 2.33 based on today's volume. A ratio above 1 means more puts than calls.
What is ALNY's implied volatility?
At-the-money implied volatility for ALNY options expiring January 19, 2029 is about 58.1%, an annualized estimate of how much the market expects Alnylam Pharmaceuticals stock to move.
How many ALNY option expiration dates are there?
ALNY has 8 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.