CareDx (CDNA) Options Chain
NASDAQ: CDNAHealth CareMedical SpecialitiesUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- May 21, 2027
- Days to expiration
- 223
- Share price
- $63.67
- Put/call ratio (OI)
- 0.00
- Put/call ratio (volume)
- 0.01
- Expected move
- ±$32.54
- Open interest (C / P)
- 481 / 1
CDNA options summary
The CDNA options chain for the May 21, 2027 expiration lists 8 call and 1 put contracts, with 223 days until expiration. Open interest stands at 481 calls and 1 puts, a put/call ratio of 0.00, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $65.00 strike is 65.4%, which implies the market expects a move of about ±$32.54 (51.1%) in CareDx stock by expiration.
The most open interest sits at the $65.00 call (300 contracts) and the $50.00 put (1 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
CDNA options chain · May 21, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 26.05 | 25.40 | 30.00 | 40.00 | — | — | — | |||||
| 26.00 | 21.50 | 26.30 | 45.00 | — | — | — | |||||
| 24.06 | 18.00 | 22.80 | 50.00 | 3.00 | 7.50 | 4.80 | |||||
| 12.20 | 12.50 | 16.80 | 60.00 | — | — | — | |||||
| 12.00 | 10.10 | 14.60 | 65.00 | — | — | — | |||||
| 12.95 | 8.20 | 12.80 | 70.00 | — | — | — | |||||
| 6.20 | 5.00 | 9.00 | 80.00 | — | — | — | |||||
| 6.00 | 3.50 | 8.00 | 85.00 | — | — | — | |||||
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 CDNA put/call ratio?
For the May 21, 2027 expiration, the CDNA put/call ratio based on open interest is 0.00 (1 puts vs 481 calls), and 0.01 based on today's volume. A ratio above 1 means more puts than calls.
What is CDNA's implied volatility?
At-the-money implied volatility for CDNA options expiring May 21, 2027 is about 65.4%, an annualized estimate of how much the market expects CareDx stock to move.
How many CDNA option expiration dates are there?
CDNA has 6 listed expiration dates, from Oct 16, 2026 to Nov 19, 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.