Janux Therapeutics (JANX) Options Chain
NASDAQ: JANXHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Jan 21, 2028
- Days to expiration
- 468
- Share price
- $18.39
- Put/call ratio (OI)
- 2.00
- Put/call ratio (volume)
- 0.52
- Expected move
- ±$14.34
- Open interest (C / P)
- 1.93K / 3.85K
JANX options summary
The JANX options chain for the January 21, 2028 expiration lists 10 call and 8 put contracts, with 468 days until expiration. Open interest stands at 1,926 calls and 3,849 puts, a put/call ratio of 2.00, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $17.50 strike is 68.9%, which implies the market expects a move of about ±$14.34 (78.0%) in Janux Therapeutics stock by expiration.
The most open interest sits at the $15.00 call (853 contracts) and the $25.00 put (902 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
JANX options chain · January 21, 2028
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 10.78 | 0.00 | 0.00 | 2.50 | — | — | — | |||||
| 12.50 | 0.00 | 0.00 | 5.00 | — | — | — | |||||
| 10.69 | 9.50 | 14.50 | 7.50 | — | — | — | |||||
| 10.50 | 9.60 | 11.60 | 10.00 | 0.00 | 2.50 | 1.45 | |||||
| 9.05 | 7.60 | 10.80 | 12.50 | 0.00 | 3.00 | 2.80 | |||||
| 7.80 | 6.90 | 7.90 | 15.00 | 0.50 | 5.50 | 3.58 | |||||
| 6.66 | 5.20 | 7.80 | 17.50 | 2.00 | 6.80 | 4.90 | |||||
| 7.00 | 3.00 | 8.00 | 20.00 | 5.10 | 6.80 | 5.95 | |||||
| — | — | — | 22.50 | 5.00 | 8.50 | 7.62 | |||||
| 5.00 | 1.50 | 6.50 | 25.00 | 8.80 | 10.60 | 9.45 | |||||
| 3.20 | 1.10 | 5.50 | 30.00 | 11.00 | 15.90 | 15.00 | |||||
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 JANX put/call ratio?
For the January 21, 2028 expiration, the JANX put/call ratio based on open interest is 2.00 (3,849 puts vs 1,926 calls), and 0.52 based on today's volume. A ratio above 1 means more puts than calls.
What is JANX's implied volatility?
At-the-money implied volatility for JANX options expiring January 21, 2028 is about 68.9%, an annualized estimate of how much the market expects Janux Therapeutics stock to move.
How many JANX option expiration dates are there?
JANX has 7 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.