CPIX vs PRU: Correlation
How closely do Cumberland Pharmaceuticals Inc. (CPIX) and Prudential Financial (PRU) trade together? Their weekly returns over three years give a correlation of -0.17, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CPIX and PRU?
Across a 3-year window, the weekly returns of CPIX and PRU correlate at -0.17, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.08 lands near the 3-year figure. Stretching to 5 years gives -0.06, with an annualized covariance of -451.2 %².
Among the 16 assets we track against CPIX, PRU ranks #11 by 3-year correlation. The last year tells two different stories: CPIX led by 212.3 percentage points, +228.1% for CPIX against +15.8% for PRU. Note the risk asymmetry: CPIX runs 5.1 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.
CPIX vs PRU: side by side
| CPIX (Cumberland Pharmaceuticals Inc.) | PRU (Prudential Financial) | |
|---|---|---|
| 1-year return | +228.1% | +15.8% |
| 5-year return | +295.6% | +45.1% |
| Volatility (ann.) | 117.9% | 23.0% |
| Beta vs S&P 500 | 0.07 | 0.79 |
| Max drawdown (3Y) | -71.9% | -25.7% |
| Market cap | $0.1B | $41.5B |
| P/E (trailing) | – | 10.9 |
| Dividend yield | 0.00% | 4.57% |
| Sector / category | US Listed | Financials |
Year-by-year returns
| Year | CPIX | PRU |
|---|---|---|
| 2022 | -51.8% | -3.9% |
| 2023 | -20.4% | +10.1% |
| 2024 | +32.4% | +19.5% |
| 2025 | +67.9% | +0.2% |
| 2026 | +180.3% | +10.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CPIX and PRU good diversifiers for each other?
Yes. With a correlation of -0.17, CPIX and PRU have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between CPIX and PRU?
The CPIX/PRU correlation stands at -0.17 on a 3-year window (1 year: -0.08, 5 years: -0.06), computed from weekly returns as of 2026-08-27.
Is PRU a good diversifier for CPIX?
Yes. With a correlation of -0.17, CPIX and PRU have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.17 mean?
On the −1 to +1 scale, -0.17 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.
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Related comparisons
Hubs: CPIX correlations · PRU correlations
