Gain Therapeutics (GANX) Options Chain
NASDAQ: GANXHealthcareBiotechnologyUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 8
- Share price
- $1.62
- Put/call ratio (OI)
- 0.12
- Put/call ratio (volume)
- 0.07
- ATM implied volatility
- 219.5%
- Expected move
- ±$0.5249
- Open interest (C / P)
- 4.40K / 522
GANX options summary
The GANX options chain for the October 16, 2026 expiration lists 4 call and 2 put contracts, with 8 days until expiration. Open interest stands at 4,404 calls and 522 puts, a put/call ratio of 0.12, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.00 strike is 219.5%, which implies the market expects a move of about ±$0.5249 (32.5%) in Gain Therapeutics stock by expiration.
The most open interest sits at the $2.00 call (2.17K contracts) and the $2.00 put (521 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
GANX options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.58 | 0.35 | 1.30 | 1.00 | — | — | — | |||||
| 0.05 | 0.00 | 0.05 | 2.00 | 0.05 | 1.05 | 0.32 | |||||
| 0.05 | 0.00 | 0.05 | 3.00 | 0.90 | 1.90 | 1.15 | |||||
| 0.13 | 0.00 | 1.00 | 4.00 | — | — | — | |||||
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 GANX put/call ratio?
For the October 16, 2026 expiration, the GANX put/call ratio based on open interest is 0.12 (522 puts vs 4,404 calls), and 0.07 based on today's volume. A ratio above 1 means more puts than calls.
What is GANX's implied volatility?
At-the-money implied volatility for GANX options expiring October 16, 2026 is about 219.5%, an annualized estimate of how much the market expects Gain Therapeutics stock to move.
How many GANX option expiration dates are there?
GANX has 4 listed expiration dates, from Oct 16, 2026 to May 21, 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.