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 21, 2028
- Days to expiration
- 467
- Share price
- $232.68
- Put/call ratio (OI)
- 1.00
- Put/call ratio (volume)
- 0.00
- Expected move
- ±$125.81
- Open interest (C / P)
- 7 / 7
ALNY options summary
The ALNY options chain for the January 21, 2028 expiration lists 6 call and 4 put contracts, with 467 days until expiration. Open interest stands at 7 calls and 7 puts, a put/call ratio of 1.00, which is fairly balanced between calls and puts. At-the-money implied volatility near the $230.00 strike is 47.8%, which implies the market expects a move of about ±$125.81 (54.1%) in Alnylam Pharmaceuticals stock by expiration.
The most open interest sits at the $350.00 call (2 contracts) and the $210.00 put (4 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ALNY options chain · January 21, 2028
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 125.00 | 6.00 | 11.00 | 6.49 | |||||
| — | — | — | 140.00 | 9.00 | 14.00 | 8.99 | |||||
| 117.52 | 104.00 | 109.00 | 150.00 | — | — | — | |||||
| — | — | — | 210.00 | 33.50 | 38.00 | 27.75 | |||||
| — | — | — | 230.00 | 44.30 | 48.00 | 41.60 | |||||
| 63.21 | 51.00 | 54.70 | 250.00 | — | — | — | |||||
| 48.54 | 37.00 | 41.50 | 290.00 | — | — | — | |||||
| 44.92 | 34.00 | 38.90 | 300.00 | — | — | — | |||||
| 29.11 | 22.50 | 27.50 | 350.00 | — | — | — | |||||
| 26.00 | 19.00 | 24.00 | 370.00 | — | — | — | |||||
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 21, 2028 expiration, the ALNY put/call ratio based on open interest is 1.00 (7 puts vs 7 calls), and 0.00 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 21, 2028 is about 47.8%, 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.