EXC vs RPD: Correlation
Measured on weekly returns over the past three years, Exelon (EXC) and Rapid7, Inc. (RPD) carry a correlation of -0.26, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EXC and RPD?
Across a 3-year window, the weekly returns of EXC and RPD correlate at -0.26, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.24) sits close to the 3-year figure. Stretching to 5 years gives 0.00, with an annualized covariance of -280.2 %².
Out of 41 assets tracked against EXC, RPD lands near the bottom at #39. Their recent paths diverged sharply: over the last 12 months EXC outperformed by 36.4 percentage points (+1.7% for EXC against -34.7% for RPD). Note the risk asymmetry: RPD runs 2.9 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.
EXC vs RPD: side by side
| EXC (Exelon) | RPD (Rapid7, Inc.) | |
|---|---|---|
| 1-year return | +1.7% | -34.7% |
| 5-year return | +48.1% | -88.9% |
| Volatility (ann.) | 19.4% | 56.3% |
| Beta vs S&P 500 | -0.05 | 1.42 |
| Max drawdown (3Y) | -18.9% | -91.8% |
| Market cap | $45.3B | $0.9B |
| P/E (trailing) | 16.3 | 37.5 |
| Dividend yield | 3.69% | 0.00% |
| Sector / category | Utilities | US Listed |
Year-by-year returns
| Year | EXC | RPD |
|---|---|---|
| 2022 | +8.3% | -71.1% |
| 2023 | -14.0% | +68.0% |
| 2024 | +9.2% | -29.5% |
| 2025 | +20.0% | -62.2% |
| 2026 | +2.7% | -11.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EXC and RPD good diversifiers for each other?
Yes: at -0.26, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between EXC and RPD?
Using weekly returns as of 2026-08-27: -0.26 over 3 years, with -0.24 over the last year and 0.00 over 5 years.
Is RPD a good diversifier for EXC?
Yes: at -0.26, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.26 mean?
On the −1 to +1 scale, -0.26 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/exc-vs-rpd.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/exc-vs-rpd/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: EXC correlations · RPD correlations
