ATRC vs RUSHB: Correlation
AtriCure, Inc. (ATRC) and Rush Enterprises, Inc. (RUSHB) show a moderate relationship: their 3-year correlation of weekly returns is 0.43.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ATRC and RUSHB?
Over the past 3 years, ATRC and RUSHB moved with a correlation of 0.43, which is moderate. The past 12 months show a weaker link (0.32) than the 3-year average (0.43). Over 5 years the correlation is 0.38, and the annualized covariance of weekly returns is 607.9 %².
RUSHB is one of the assets that tracks ATRC most closely: it ranks #2 out of the 10 assets we track against ATRC. Neither side won the trailing year by much: +32.1% against +31.6%.
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.
ATRC vs RUSHB: side by side
| ATRC (AtriCure, Inc.) | RUSHB (Rush Enterprises, Inc.) | |
|---|---|---|
| 1-year return | +32.1% | +31.6% |
| 5-year return | -33.3% | +185.6% |
| Volatility (ann.) | 45.4% | 30.8% |
| Beta vs S&P 500 | 0.97 | 0.88 |
| Max drawdown (3Y) | -57.3% | -28.5% |
| Market cap | $2.5B | $9.0B |
| P/E (trailing) | 224.0 | 23.1 |
| Dividend yield | 0.00% | 0.99% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ATRC | RUSHB |
|---|---|---|
| 2022 | -36.2% | +5.9% |
| 2023 | -19.6% | +43.4% |
| 2024 | -14.4% | +4.3% |
| 2025 | +29.5% | +4.8% |
| 2026 | +24.5% | +38.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ATRC and RUSHB good diversifiers for each other?
A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between ATRC and RUSHB?
As of 2026-08-27, the correlation of weekly returns between ATRC and RUSHB is 0.43 over 3 years, 0.32 over 1 year and 0.38 over 5 years.
Is RUSHB a good diversifier for ATRC?
A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.43 mean?
On the −1 to +1 scale, 0.43 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/atrc-vs-rushb.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/atrc-vs-rushb/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ATRC correlations · RUSHB correlations
