Atossa Therapeutics (ATOS) Options Chain
NASDAQ: ATOSHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Jan 15, 2027
- Days to expiration
- 96
- Share price
- $2.44
- Put/call ratio (OI)
- 0.01
- Put/call ratio (volume)
- 0.22
- ATM implied volatility
- 143.8%
- Expected move
- ±$1.80
- Open interest (C / P)
- 1.14K / 16
ATOS options summary
The ATOS options chain for the January 15, 2027 expiration lists 10 call and 6 put contracts, with 96 days until expiration. Open interest stands at 1,140 calls and 16 puts, a put/call ratio of 0.01, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.00 strike is 143.8%, which implies the market expects a move of about ±$1.80 (73.7%) in Atossa Therapeutics stock by expiration.
The most open interest sits at the $4.00 call (658 contracts) and the $2.00 put (15 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ATOS options chain · January 15, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 1.55 | 0.95 | 1.95 | 1.00 | 0.00 | 0.00 | 0.08 | |||||
| 0.50 | 0.55 | 0.90 | 2.00 | 0.10 | 1.10 | 0.39 | |||||
| 0.30 | 0.00 | 0.45 | 3.00 | 0.00 | 0.00 | 0.75 | |||||
| 0.14 | 0.10 | 0.90 | 4.00 | 1.00 | 2.00 | 2.24 | |||||
| 0.05 | 0.00 | 0.10 | 5.00 | 2.10 | 3.00 | 2.44 | |||||
| 0.10 | 0.00 | 0.75 | 6.00 | — | — | — | |||||
| 0.10 | 0.00 | 0.00 | 7.00 | 0.00 | 0.00 | 4.40 | |||||
| 0.05 | 0.00 | 0.00 | 8.00 | — | — | — | |||||
| 0.10 | 0.00 | 0.75 | 9.00 | — | — | — | |||||
| 0.10 | 0.00 | 0.75 | 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 ATOS put/call ratio?
For the January 15, 2027 expiration, the ATOS put/call ratio based on open interest is 0.01 (16 puts vs 1,140 calls), and 0.22 based on today's volume. A ratio above 1 means more puts than calls.
What is ATOS's implied volatility?
At-the-money implied volatility for ATOS options expiring January 15, 2027 is about 143.8%, an annualized estimate of how much the market expects Atossa Therapeutics stock to move.
How many ATOS option expiration dates are there?
ATOS has 4 listed expiration dates, from Oct 16, 2026 to Apr 16, 2027.
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.