Sionna Therapeutics (SION) Options Chain
NASDAQ: SIONHealth 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
- $4.90
- Put/call ratio (OI)
- 4.43
- Put/call ratio (volume)
- 1.31
- ATM implied volatility
- 136.4%
- Expected move
- ±$3.43
- Open interest (C / P)
- 1.74K / 7.69K
SION options summary
The SION options chain for the January 15, 2027 expiration lists 16 call and 9 put contracts, with 96 days until expiration. Open interest stands at 1,736 calls and 7,686 puts, a put/call ratio of 4.43, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $5.00 strike is 136.4%, which implies the market expects a move of about ±$3.43 (70.0%) in Sionna Therapeutics stock by expiration.
The most open interest sits at the $17.50 call (933 contracts) and the $2.50 put (6.91K contracts).
Summary generated from market data by MetaCap's automated system. Methodology
SION options chain · January 15, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 2.60 | 1.30 | 4.90 | 2.50 | 0.00 | 0.10 | 0.07 | |||||
| 1.85 | 0.10 | 3.50 | 5.00 | 0.05 | 1.75 | 0.99 | |||||
| 0.45 | 0.35 | 0.85 | 7.50 | 0.50 | 5.30 | 2.87 | |||||
| 0.20 | 0.00 | 0.25 | 10.00 | — | — | — | |||||
| 0.10 | 0.00 | 2.00 | 15.00 | — | — | — | |||||
| 0.01 | 0.00 | 0.35 | 17.50 | 8.50 | 13.00 | 2.60 | |||||
| 0.10 | 0.00 | 3.20 | 20.00 | 12.50 | 17.00 | 2.15 | |||||
| 24.25 | 0.00 | 3.70 | 22.50 | — | — | — | |||||
| 0.19 | 0.00 | 0.00 | 30.00 | 22.30 | 27.00 | 10.40 | |||||
| 25.30 | 0.00 | 3.70 | 35.00 | — | — | — | |||||
| 0.10 | 0.00 | 0.00 | 40.00 | 0.00 | 0.00 | 13.20 | |||||
| 21.50 | 0.00 | 3.70 | 45.00 | 0.00 | 0.00 | 16.60 | |||||
| 0.10 | 0.00 | 0.00 | 50.00 | — | — | — | |||||
| 21.10 | 0.00 | 0.00 | 55.00 | — | — | — | |||||
| 18.00 | 0.00 | 3.70 | 65.00 | — | — | — | |||||
| 18.50 | 0.00 | 0.00 | 70.00 | 62.60 | 67.50 | 63.87 | |||||
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 SION put/call ratio?
For the January 15, 2027 expiration, the SION put/call ratio based on open interest is 4.43 (7,686 puts vs 1,736 calls), and 1.31 based on today's volume. A ratio above 1 means more puts than calls.
What is SION's implied volatility?
At-the-money implied volatility for SION options expiring January 15, 2027 is about 136.4%, an annualized estimate of how much the market expects Sionna Therapeutics stock to move.
How many SION option expiration dates are there?
SION 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.