LASR vs RRX: Correlation
Measured on weekly returns over the past three years, nLIGHT, Inc. (LASR) and Regal Rexnord Corporation (RRX) carry a correlation of 0.44, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LASR and RRX?
Across a 3-year window, the weekly returns of LASR and RRX correlate at 0.44, moderate. Recent behaviour matches the longer record: 0.41 over 1 year against 0.44 over 3. Stretching to 5 years gives 0.45, with an annualized covariance of 1059.6 %².
Among the 11 assets we track against LASR, RRX ranks #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with LASR ahead by 48.2 points (+56.4% versus +8.2%).
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.
LASR vs RRX: side by side
| LASR (nLIGHT, Inc.) | RRX (Regal Rexnord Corporation) | |
|---|---|---|
| 1-year return | +56.4% | +8.2% |
| 5-year return | +61.0% | +18.1% |
| Volatility (ann.) | 56.6% | 42.0% |
| Beta vs S&P 500 | 1.44 | 1.10 |
| Max drawdown (3Y) | -56.1% | -48.1% |
| Market cap | $2.6B | $10.9B |
| P/E (trailing) | – | 34.0 |
| Dividend yield | 0.00% | 0.85% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | LASR | RRX |
|---|---|---|
| 2022 | -57.7% | -28.7% |
| 2023 | +33.1% | +24.6% |
| 2024 | -22.3% | +5.7% |
| 2025 | +257.6% | -8.6% |
| 2026 | +19.9% | +17.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LASR and RRX good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between LASR and RRX?
Using weekly returns as of 2026-08-27: 0.44 over 3 years, with 0.41 over the last year and 0.45 over 5 years.
Is RRX a good diversifier for LASR?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.44 mean?
On the −1 to +1 scale, 0.44 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/lasr-vs-rrx.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/lasr-vs-rrx/)
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Related comparisons
Hubs: LASR correlations · RRX correlations
