NEGG vs PROK: Correlation
How closely do Newegg Commerce, Inc. (NEGG) and ProKidney Corp. - Class A (PROK) trade together? Their weekly returns over three years give a correlation of 0.63, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NEGG and PROK?
Across a 3-year window, the weekly returns of NEGG and PROK correlate at 0.63, strong. The past 12 months show a weaker link (0.16) than the 3-year average (0.63). Stretching to 5 years gives 0.59, with an annualized covariance of 42488.1 %².
In NEGG's tracked universe of 10 assets, PROK sits right near the top at #2. Correlation aside, the last 12 months split them widely, with PROK ahead by 44.1 points (-71.0% versus -26.9%). Risk is not evenly split, since PROK carries 2.0 times the volatility of the other side.
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.
NEGG vs PROK: side by side
| NEGG (Newegg Commerce, Inc.) | PROK (ProKidney Corp. - Class A) | |
|---|---|---|
| 1-year return | -71.0% | -26.9% |
| 5-year return | -95.1% | -81.3% |
| Volatility (ann.) | 184.2% | 368.1% |
| Beta vs S&P 500 | 2.34 | 2.21 |
| Max drawdown (3Y) | -90.3% | -94.3% |
| Market cap | $0.4B | $0.7B |
| P/E (trailing) | 68.0 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | NEGG | PROK |
|---|---|---|
| 2022 | -87.4% | -30.7% |
| 2023 | -3.8% | -74.1% |
| 2024 | -68.3% | -5.1% |
| 2025 | +534.5% | +32.5% |
| 2026 | -65.2% | -18.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NEGG and PROK good diversifiers for each other?
To a limited degree. At 0.63 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between NEGG and PROK?
The NEGG/PROK correlation stands at 0.63 on a 3-year window (1 year: 0.16, 5 years: 0.59), computed from weekly returns as of 2026-08-27.
Is PROK a good diversifier for NEGG?
To a limited degree. At 0.63 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.63 mean?
On the −1 to +1 scale, 0.63 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/negg-vs-prok.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/negg-vs-prok/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: NEGG correlations · PROK correlations
