NRG vs TT: Correlation
NRG Energy (NRG) and Trane Technologies (TT) show a moderate relationship: their 3-year correlation of weekly returns is 0.52.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NRG and TT?
Over the past 3 years, NRG and TT moved with a correlation of 0.52, which is moderate. The link has loosened recently: the 1-year correlation (0.41) runs below the 3-year figure (0.52). Over 5 years the correlation is 0.45, and the annualized covariance of weekly returns is 644.6 %².
By 3-year correlation, TT places #10 of the 31 assets tracked against NRG. Their recent paths diverged sharply: over the last 12 months TT outperformed by 29.6 percentage points (-21.8% for NRG against +7.8% for TT). On a rolling one-year basis the correlation drifted between 0.28 and 0.75, a moderate band. Note the risk asymmetry: NRG runs 1.6 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.
NRG vs TT: side by side
| NRG (NRG Energy) | TT (Trane Technologies) | |
|---|---|---|
| 1-year return | -21.8% | +7.8% |
| 5-year return | +191.5% | +141.4% |
| Volatility (ann.) | 44.4% | 27.8% |
| Beta vs S&P 500 | 1.30 | 1.19 |
| Max drawdown (3Y) | -38.9% | -24.4% |
| Market cap | $24.1B | $100.0B |
| P/E (trailing) | 30.2 | 33.8 |
| Dividend yield | 1.61% | 0.86% |
| Sector / category | Utilities | Industrials |
Year-by-year returns
| Year | NRG | TT |
|---|---|---|
| 2022 | -23.5% | -15.3% |
| 2023 | +69.4% | +47.4% |
| 2024 | +78.6% | +53.0% |
| 2025 | +78.9% | +6.1% |
| 2026 | -27.5% | +17.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NRG and TT good diversifiers for each other?
Somewhat, no more. With 0.52 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between NRG and TT?
Using weekly returns as of 2026-08-27: 0.52 over 3 years, with 0.41 over the last year and 0.45 over 5 years.
Is TT a good diversifier for NRG?
Somewhat, no more. With 0.52 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.52 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/nrg-vs-tt.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/nrg-vs-tt/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: NRG correlations · TT correlations
