Cardiol Therapeutics (CRDL) Options Chain
NASDAQ: CRDLHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
After hours: 1.29 -0.77%
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 8
- Share price
- $1.30
- Put/call ratio (OI)
- 0.00
- Put/call ratio (volume)
- 0.00
- ATM implied volatility
- 340.6%
- Expected move
- ±$0.6556
- Open interest (C / P)
- 214 / 0
CRDL options summary
The CRDL options chain for the October 16, 2026 expiration lists 2 call and 0 put contracts, with 8 days until expiration. Open interest stands at 214 calls and 0 puts, a put/call ratio of 0.00, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.50 strike is 340.6%, which implies the market expects a move of about ±$0.6556 (50.4%) in Cardiol Therapeutics stock by expiration.
Summary generated from market data by MetaCap's automated system. Methodology
CRDL options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.01 | 0.00 | 0.10 | 2.50 | — | — | — | |||||
| 0.65 | 0.00 | 0.40 | 5.00 | — | — | — | |||||
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 CRDL put/call ratio?
For the October 16, 2026 expiration, the CRDL put/call ratio based on open interest is 0.00 (0 puts vs 214 calls), and 0.00 based on today's volume. A ratio above 1 means more puts than calls.
What is CRDL's implied volatility?
At-the-money implied volatility for CRDL options expiring October 16, 2026 is about 340.6%, an annualized estimate of how much the market expects Cardiol Therapeutics stock to move.
How many CRDL option expiration dates are there?
CRDL has 4 listed expiration dates, from Oct 16, 2026 to Mar 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.