CLDI vs PROK: Correlation
How closely do Calidi Biotherapeutics, Inc. (CLDI) and ProKidney Corp. - Class A (PROK) trade together? Their weekly returns over three years give a correlation of 0.67, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CLDI and PROK?
Over the past 3 years, CLDI and PROK moved with a correlation of 0.67, which is strong. Lately the two have drifted apart, with the 1-year correlation at 0.08 versus 0.67 over 3 years. Over 5 years the correlation is 0.65, and the annualized covariance of weekly returns is 44953.0 %².
In CLDI's tracked universe of 14 assets, PROK sits right near the top at #1. Correlation aside, the last 12 months split them widely, with PROK ahead by 68.2 points (-95.1% versus -26.9%). Note the risk asymmetry: PROK runs 2.0 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
CLDI vs PROK: side by side
| CLDI (Calidi Biotherapeutics, Inc.) | PROK (ProKidney Corp. - Class A) | |
|---|---|---|
| 1-year return | -95.1% | -26.9% |
| 5-year return | -100.0% | -81.3% |
| Volatility (ann.) | 182.9% | 368.1% |
| Beta vs S&P 500 | 1.03 | 2.21 |
| Max drawdown (3Y) | -100.0% | -94.3% |
| Market cap | – | $0.7B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CLDI | PROK |
|---|---|---|
| 2022 | +3.7% | -30.7% |
| 2023 | -85.2% | -74.1% |
| 2024 | -92.4% | -5.1% |
| 2025 | -91.5% | +32.5% |
| 2026 | -93.1% | -18.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CLDI and PROK good diversifiers for each other?
Somewhat, no more. With 0.67 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between CLDI and PROK?
Using weekly returns as of 2026-08-27: 0.67 over 3 years, with 0.08 over the last year and 0.65 over 5 years.
Is PROK a good diversifier for CLDI?
Somewhat, no more. With 0.67 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.67 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/cldi-vs-prok.json
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Related comparisons
Hubs: CLDI correlations · PROK correlations
