PROK vs SLNH: Correlation
Measured on weekly returns over the past three years, ProKidney Corp. - Class A (PROK) and Soluna Holdings, Inc. (SLNH) carry a correlation of 0.40, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PROK and SLNH?
Across a 3-year window, the weekly returns of PROK and SLNH correlate at 0.40, moderate. The past 12 months show a weaker link (0.02) than the 3-year average (0.40). Stretching to 5 years gives 0.37, with an annualized covariance of 26572.4 %².
By 3-year correlation, SLNH places #12 of the 21 assets tracked against PROK. The last year tells two different stories: SLNH led by 174.8 percentage points, -26.9% for PROK against +147.9% for SLNH. Note the risk asymmetry: PROK runs 2.1 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.
PROK vs SLNH: side by side
| PROK (ProKidney Corp. - Class A) | SLNH (Soluna Holdings, Inc.) | |
|---|---|---|
| 1-year return | -26.9% | +147.9% |
| 5-year return | -81.3% | -99.5% |
| Volatility (ann.) | 368.1% | 179.3% |
| Beta vs S&P 500 | 2.21 | 3.25 |
| Max drawdown (3Y) | -94.3% | -94.8% |
| Market cap | $0.7B | $0.3B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PROK | SLNH |
|---|---|---|
| 2022 | -30.7% | -97.6% |
| 2023 | -74.1% | -38.5% |
| 2024 | -5.1% | -47.5% |
| 2025 | +32.5% | -44.3% |
| 2026 | -18.7% | +1.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PROK and SLNH good diversifiers for each other?
Reasonably. At 0.40, PROK and SLNH keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between PROK and SLNH?
The PROK/SLNH correlation stands at 0.40 on a 3-year window (1 year: 0.02, 5 years: 0.37), computed from weekly returns as of 2026-08-27.
Is SLNH a good diversifier for PROK?
Reasonably. At 0.40, PROK and SLNH keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.40 mean?
A reading of 0.40 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/prok-vs-slnh.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/prok-vs-slnh/)
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Related comparisons
Hubs: PROK correlations · SLNH correlations
