Cardiff Oncology (CRDF) Options Chain
NASDAQ: CRDFHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Jan 21, 2028
- Days to expiration
- 467
- Share price
- $1.08
- Put/call ratio (OI)
- 0.00
- Put/call ratio (volume)
- 0.09
- ATM implied volatility
- 120.7%
- Expected move
- ±$1.47
- Open interest (C / P)
- 12.55K / 44
CRDF options summary
The CRDF options chain for the January 21, 2028 expiration lists 7 call and 5 put contracts, with 467 days until expiration. Open interest stands at 12,548 calls and 44 puts, a put/call ratio of 0.00, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $1.00 strike is 120.7%, which implies the market expects a move of about ±$1.47 (136.5%) in Cardiff Oncology stock by expiration.
The most open interest sits at the $1.50 call (9.67K contracts) and the $2.50 put (39 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
CRDF options chain · January 21, 2028
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.70 | 0.25 | 1.25 | 0.50 | 0.00 | 0.00 | 0.12 | |||||
| 0.50 | 0.00 | 1.00 | 1.00 | 0.05 | 1.05 | 0.40 | |||||
| 0.38 | 0.30 | 0.70 | 1.50 | — | — | — | |||||
| 0.30 | 0.05 | 0.70 | 2.00 | 0.00 | 0.00 | 0.93 | |||||
| 0.25 | 0.10 | 1.10 | 2.50 | 0.95 | 1.95 | 1.50 | |||||
| 0.15 | 0.05 | 0.25 | 5.00 | 3.40 | 4.40 | 6.13 | |||||
| 0.10 | 0.05 | 0.15 | 7.50 | — | — | — | |||||
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 CRDF put/call ratio?
For the January 21, 2028 expiration, the CRDF put/call ratio based on open interest is 0.00 (44 puts vs 12,548 calls), and 0.09 based on today's volume. A ratio above 1 means more puts than calls.
What is CRDF's implied volatility?
At-the-money implied volatility for CRDF options expiring January 21, 2028 is about 120.7%, an annualized estimate of how much the market expects Cardiff Oncology stock to move.
How many CRDF option expiration dates are there?
CRDF has 5 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.