RPD vs SMWB: Correlation
Measured on weekly returns over the past three years, Rapid7, Inc. (RPD) and Similarweb Ltd. (SMWB) carry a correlation of 0.50, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RPD and SMWB?
Over the past 3 years, RPD and SMWB moved with a correlation of 0.50, which is moderate. Lately the two have moved closer together, with the 1-year correlation at 0.62 versus 0.50 over 3 years. Over 5 years the correlation is 0.51, and the annualized covariance of weekly returns is 1922.4 %².
By 3-year correlation, SMWB places #9 of the 29 assets tracked against RPD. Their recent paths diverged sharply: over the last 12 months SMWB outperformed by 28.8 percentage points (-34.7% for RPD against -5.9% for SMWB).
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.
RPD vs SMWB: side by side
| RPD (Rapid7, Inc.) | SMWB (Similarweb Ltd.) | |
|---|---|---|
| 1-year return | -34.7% | -5.9% |
| 5-year return | -88.9% | -52.1% |
| Volatility (ann.) | 56.3% | 68.1% |
| Beta vs S&P 500 | 1.42 | 0.91 |
| Max drawdown (3Y) | -91.8% | -86.7% |
| Market cap | $0.9B | $0.8B |
| P/E (trailing) | 37.5 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | RPD | SMWB |
|---|---|---|
| 2022 | -71.1% | -64.1% |
| 2023 | +68.0% | -17.1% |
| 2024 | -29.5% | +165.9% |
| 2025 | -62.2% | -47.1% |
| 2026 | -11.2% | +22.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RPD and SMWB good diversifiers for each other?
To a limited degree. At 0.50 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 RPD and SMWB?
As of 2026-08-27, the correlation of weekly returns between RPD and SMWB is 0.50 over 3 years, 0.62 over 1 year and 0.51 over 5 years.
Is SMWB a good diversifier for RPD?
To a limited degree. At 0.50 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 0.50 mean?
On the −1 to +1 scale, 0.50 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/rpd-vs-smwb.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/rpd-vs-smwb/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: RPD correlations · SMWB correlations
