ProKidney (PROK) Options Chain
NASDAQ: PROKHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Pre-market: 1.64 -1.20%
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $1.66
- Put/call ratio (OI)
- 0.10
- Put/call ratio (volume)
- 0.10
- Expected move
- ±$0.1149
- Open interest (C / P)
- 376 / 36
PROK options summary
The PROK options chain for the October 16, 2026 expiration lists 7 call and 4 put contracts, with 7 days until expiration. Open interest stands at 376 calls and 36 puts, a put/call ratio of 0.10, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.00 strike is 50.0%, which implies the market expects a move of about ±$0.1149 (6.9%) in ProKidney stock by expiration.
The most open interest sits at the $2.00 call (228 contracts) and the $2.00 put (34 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
PROK options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 0.50 | 0.00 | 0.00 | 0.24 | |||||
| 0.60 | 0.00 | 0.00 | 1.00 | — | — | — | |||||
| 0.05 | 0.00 | 0.00 | 2.00 | 0.00 | 0.00 | 0.35 | |||||
| 0.08 | 0.00 | 0.00 | 3.00 | 1.05 | 2.05 | 1.32 | |||||
| 0.12 | 0.00 | 0.95 | 4.00 | — | — | — | |||||
| 0.10 | 0.00 | 1.00 | 5.00 | 2.50 | 3.50 | 3.30 | |||||
| 0.15 | 0.00 | 1.00 | 6.00 | — | — | — | |||||
| 0.10 | 0.00 | 1.00 | 7.00 | — | — | — | |||||
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 October 16, 2026 expiration, the PROK put/call ratio based on open interest is 0.10 (36 puts vs 376 calls), and 0.10 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 October 16, 2026 is about 50.0%, 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.