Coya Therapeutics (COYA) Options Chain
NASDAQ: COYAHealthcareBiotechnologyUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 8
- Share price
- $4.99
- Put/call ratio (OI)
- 0.02
- Put/call ratio (volume)
- 0.75
- ATM implied volatility
- 456.6%
- Expected move
- ±$3.37
- Open interest (C / P)
- 116 / 2
COYA options summary
The COYA options chain for the October 16, 2026 expiration lists 2 call and 2 put contracts, with 8 days until expiration. Open interest stands at 116 calls and 2 puts, a put/call ratio of 0.02, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $5.00 strike is 456.6%, which implies the market expects a move of about ±$3.37 (67.6%) in Coya Therapeutics stock by expiration.
The most open interest sits at the $5.00 call (75 contracts) and the $5.00 put (2 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
COYA options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.35 | 0.05 | 0.45 | 5.00 | 0.00 | 4.60 | 0.50 | |||||
| 0.05 | 0.00 | 0.10 | 7.50 | 0.10 | 4.90 | 2.10 | |||||
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 COYA put/call ratio?
For the October 16, 2026 expiration, the COYA put/call ratio based on open interest is 0.02 (2 puts vs 116 calls), and 0.75 based on today's volume. A ratio above 1 means more puts than calls.
What is COYA's implied volatility?
At-the-money implied volatility for COYA options expiring October 16, 2026 is about 456.6%, an annualized estimate of how much the market expects Coya Therapeutics stock to move.
How many COYA option expiration dates are there?
COYA 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.