AEP vs RPD: Correlation
Measured on weekly returns over the past three years, American Electric Power (AEP) and Rapid7, Inc. (RPD) carry a correlation of -0.24, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AEP and RPD?
On 3 years of weekly data the AEP/RPD correlation comes out at -0.24, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.28) sits close to the 3-year figure. The 5-year figure is -0.05, and annualized covariance runs at -254.0 %².
Among the 36 assets we track against AEP, RPD ranks #27 by 3-year correlation. The last year tells two different stories: AEP led by 46.8 percentage points, +12.1% for AEP against -34.7% for RPD. Note the risk asymmetry: RPD runs 3.0 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.
AEP vs RPD: side by side
| AEP (American Electric Power) | RPD (Rapid7, Inc.) | |
|---|---|---|
| 1-year return | +12.1% | -34.7% |
| 5-year return | +63.9% | -88.9% |
| Volatility (ann.) | 18.9% | 56.3% |
| Beta vs S&P 500 | -0.01 | 1.42 |
| Max drawdown (3Y) | -13.1% | -91.8% |
| Market cap | $66.8B | $0.9B |
| P/E (trailing) | 21.4 | 37.5 |
| Dividend yield | 3.06% | 0.00% |
| Sector / category | Utilities | US Listed |
Year-by-year returns
| Year | AEP | RPD |
|---|---|---|
| 2022 | +10.4% | -71.1% |
| 2023 | -11.0% | +68.0% |
| 2024 | +18.2% | -29.5% |
| 2025 | +29.4% | -62.2% |
| 2026 | +8.9% | -11.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AEP and RPD good diversifiers for each other?
Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between AEP and RPD?
Using weekly returns as of 2026-08-27: -0.24 over 3 years, with -0.28 over the last year and -0.05 over 5 years.
Is RPD a good diversifier for AEP?
Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.24 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/aep-vs-rpd.json
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Related comparisons
Hubs: AEP correlations · RPD correlations
