Atossa Therapeutics (ATOS) Options Chain
NASDAQ: ATOSHealth 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
- $2.44
- Put/call ratio (OI)
- 0.00
- Put/call ratio (volume)
- 0.13
- Expected move
- ±$1.72
- Open interest (C / P)
- 77 / 0
ATOS options summary
The ATOS options chain for the April 16, 2027 expiration lists 4 call and 1 put contracts, with 187 days until expiration. Open interest stands at 77 calls and 0 puts, a put/call ratio of 0.00, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $3.00 strike is 98.2%, which implies the market expects a move of about ±$1.72 (70.3%) in Atossa Therapeutics stock by expiration.
The most open interest sits at the $3.00 call (44 contracts) and the $6.00 put (0 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ATOS options chain · April 16, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 1.59 | 1.00 | 2.00 | 1.00 | — | — | — | |||||
| 0.85 | 0.15 | 0.85 | 3.00 | — | — | — | |||||
| 0.33 | 0.00 | 1.00 | 4.00 | — | — | — | |||||
| 0.12 | 0.00 | 0.95 | 6.00 | 3.20 | 4.20 | 3.58 | |||||
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 April 16, 2027 expiration, the ATOS put/call ratio based on open interest is 0.00 (0 puts vs 77 calls), and 0.13 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 April 16, 2027 is about 98.2%, 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.