INKT vs PROK: Correlation
Measured on weekly returns over the past three years, MiNK Therapeutics, Inc. (INKT) and ProKidney Corp. - Class A (PROK) carry a correlation of 0.96, a very strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are INKT and PROK?
On 3 years of weekly data the INKT/PROK correlation comes out at 0.96, very strong, meaning they move nearly in lockstep. The past 12 months show a weaker link (0.29) than the 3-year average (0.96). The 5-year figure is 0.93, and annualized covariance runs at 163390.7 %².
PROK is one of the assets that tracks INKT most closely: it ranks #1 out of the 27 assets we track against INKT. Neither side won the trailing year by much: -26.9% against -26.9%.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
INKT vs PROK: side by side
| INKT (MiNK Therapeutics, Inc.) | PROK (ProKidney Corp. - Class A) | |
|---|---|---|
| 1-year return | -26.9% | -26.9% |
| 5-year return | -90.3% | -81.3% |
| Volatility (ann.) | 464.2% | 368.1% |
| Beta vs S&P 500 | 0.50 | 2.21 |
| Max drawdown (3Y) | -86.7% | -94.3% |
| Market cap | $0.1B | $0.7B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | INKT | PROK |
|---|---|---|
| 2022 | -41.5% | -30.7% |
| 2023 | -59.0% | -74.1% |
| 2024 | -34.9% | -5.1% |
| 2025 | +60.0% | +32.5% |
| 2026 | +4.8% | -18.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are INKT and PROK good diversifiers for each other?
No: a correlation of 0.96 means INKT and PROK tend to fall together, which is precisely when diversification is supposed to help.
FAQ
What is the correlation between INKT and PROK?
As of 2026-08-27, the correlation of weekly returns between INKT and PROK is 0.96 over 3 years, 0.29 over 1 year and 0.93 over 5 years.
Is PROK a good diversifier for INKT?
No: a correlation of 0.96 means INKT and PROK tend to fall together, which is precisely when diversification is supposed to help.
What does a correlation of 0.96 mean?
On the −1 to +1 scale, 0.96 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/inkt-vs-prok.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/inkt-vs-prok/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: INKT correlations · PROK correlations
