LII vs NRDY: Correlation
Lennox International (LII) and Nerdy Inc. (NRDY) show a negative relationship: their 3-year correlation of weekly returns is -0.35.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LII and NRDY?
Over the past 3 years, LII and NRDY moved with a correlation of -0.35, which is negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.50) runs below the 3-year figure (-0.35). Over 5 years the correlation is -0.25, and the annualized covariance of weekly returns is -12265.0 %².
Within LII's tracked universe of 37 assets, NRDY comes in at #28 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months NRDY outperformed by 691.3 percentage points (-30.3% for LII against +661.0% for NRDY). Note the risk asymmetry: NRDY runs 34.3 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.
LII vs NRDY: side by side
| LII (Lennox International) | NRDY (Nerdy Inc.) | |
|---|---|---|
| 1-year return | -30.3% | +661.0% |
| 5-year return | +23.7% | +3.8% |
| Volatility (ann.) | 32.0% | 1097.1% |
| Beta vs S&P 500 | 0.96 | 2.74 |
| Max drawdown (3Y) | -41.7% | -94.2% |
| Market cap | $13.5B | $0.7B |
| P/E (trailing) | 17.5 | – |
| Dividend yield | 1.34% | 0.00% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | LII | NRDY |
|---|---|---|
| 2022 | -24.9% | -50.0% |
| 2023 | +89.5% | +52.4% |
| 2024 | +37.3% | -52.8% |
| 2025 | -19.5% | -35.8% |
| 2026 | -19.0% | +895.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LII and NRDY good diversifiers for each other?
Yes. With a correlation of -0.35, LII and NRDY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between LII and NRDY?
Using weekly returns as of 2026-08-27: -0.35 over 3 years, with -0.50 over the last year and -0.25 over 5 years.
Is NRDY a good diversifier for LII?
Yes. With a correlation of -0.35, LII and NRDY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.35 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/lii-vs-nrdy.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/lii-vs-nrdy/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: LII correlations · NRDY correlations
