aTyr Pharma (ATYR) Options Chain
NASDAQ: ATYRHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Jan 15, 2027
- Days to expiration
- 96
- Share price
- $0.2462
- Put/call ratio (OI)
- 0.05
- Put/call ratio (volume)
- 0.47
- ATM implied volatility
- 150.0%
- Expected move
- ±$0.1894
- Open interest (C / P)
- 20.09K / 942
ATYR options summary
The ATYR options chain for the January 15, 2027 expiration lists 10 call and 9 put contracts, with 96 days until expiration. Open interest stands at 20,092 calls and 942 puts, a put/call ratio of 0.05, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $0.50 strike is 150.0%, which implies the market expects a move of about ±$0.1894 (76.9%) in aTyr Pharma stock by expiration.
The most open interest sits at the $2.50 call (4.51K contracts) and the $2.50 put (561 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ATYR options chain · January 15, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.05 | 0.00 | 0.05 | 0.50 | 0.00 | 1.65 | 0.41 | |||||
| 0.05 | 0.00 | 0.30 | 1.00 | 0.00 | 0.95 | 0.68 | |||||
| 0.07 | 0.00 | 0.10 | 1.50 | 0.70 | 1.45 | 1.00 | |||||
| 0.05 | 0.00 | 0.10 | 2.00 | 0.00 | 2.00 | 1.37 | |||||
| 0.04 | 0.00 | 0.05 | 2.50 | 0.95 | 3.70 | 2.22 | |||||
| 0.05 | 0.00 | 0.00 | 4.00 | — | — | — | |||||
| 0.01 | 0.00 | 0.05 | 5.00 | 0.00 | 0.00 | 4.50 | |||||
| 0.05 | 0.00 | 0.05 | 7.50 | 4.60 | 7.50 | 6.47 | |||||
| 0.05 | 0.00 | 0.00 | 10.00 | 7.00 | 10.00 | 8.96 | |||||
| 0.05 | 0.00 | 0.05 | 12.00 | 0.00 | 0.00 | 11.40 | |||||
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 ATYR put/call ratio?
For the January 15, 2027 expiration, the ATYR put/call ratio based on open interest is 0.05 (942 puts vs 20,092 calls), and 0.47 based on today's volume. A ratio above 1 means more puts than calls.
What is ATYR's implied volatility?
At-the-money implied volatility for ATYR options expiring January 15, 2027 is about 150.0%, an annualized estimate of how much the market expects aTyr Pharma stock to move.
How many ATYR option expiration dates are there?
ATYR has 6 listed expiration dates, from Oct 16, 2026 to Jan 21, 2028.
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.