ProKidney (PROK) Options Chain
NASDAQ: PROKHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $1.74
- Put/call ratio (OI)
- 0.00
- Put/call ratio (volume)
- 0.00
- ATM implied volatility
- 197.7%
- Expected move
- ±$1.14
- Open interest (C / P)
- 84 / 0
PROK options summary
The PROK options chain for the November 20, 2026 expiration lists 3 call and 0 put contracts, with 40 days until expiration. Open interest stands at 84 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 $1.50 strike is 197.7%, which implies the market expects a move of about ±$1.14 (65.4%) in ProKidney stock by expiration.
Summary generated from market data by MetaCap's automated system. Methodology
PROK options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.29 | 0.05 | 1.05 | 1.50 | — | — | — | |||||
| 0.25 | 0.00 | 0.55 | 2.00 | — | — | — | |||||
| 0.05 | 0.00 | 0.25 | 3.00 | — | — | — | |||||
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 PROK put/call ratio?
For the November 20, 2026 expiration, the PROK put/call ratio based on open interest is 0.00 (0 puts vs 84 calls), and 0.00 based on today's volume. A ratio above 1 means more puts than calls.
What is PROK's implied volatility?
At-the-money implied volatility for PROK options expiring November 20, 2026 is about 197.7%, an annualized estimate of how much the market expects ProKidney stock to move.
How many PROK option expiration dates are there?
PROK 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.