NRG vs VXX: Correlation
How closely do NRG Energy (NRG) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) trade together? Their weekly returns over three years give a correlation of -0.41, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NRG and VXX?
Across a 3-year window, the weekly returns of NRG and VXX correlate at -0.41, negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (-0.29) than the 3-year average (-0.41). Stretching to 5 years gives -0.38, with an annualized covariance of -1118.5 %².
VXX is close to the least connected end of NRG's tracked universe, ranking #30 of 31. The last year tells two different stories: NRG led by 27.9 percentage points, -21.8% for NRG against -49.7% for VXX.
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 VXX: side by side
| NRG (NRG Energy) | VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | |
|---|---|---|
| 1-year return | -21.8% | -49.7% |
| 5-year return | +191.5% | -95.6% |
| Volatility (ann.) | 44.4% | 60.9% |
| Beta vs S&P 500 | 1.30 | -3.31 |
| Max drawdown (3Y) | -38.9% | -83.3% |
| Market cap | $24.1B | – |
| P/E (trailing) | 30.2 | – |
| Dividend yield | 1.61% | 0.00% |
| Sector / category | Utilities | US Listed |
Year-by-year returns
| Year | NRG | VXX |
|---|---|---|
| 2022 | -23.5% | -23.8% |
| 2023 | +69.4% | -72.5% |
| 2024 | +78.6% | -26.2% |
| 2025 | +78.9% | -42.2% |
| 2026 | -27.5% | -31.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NRG and VXX good diversifiers for each other?
Yes. With a correlation of -0.41, NRG and VXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between NRG and VXX?
Using weekly returns as of 2026-08-27: -0.41 over 3 years, with -0.29 over the last year and -0.38 over 5 years.
Is VXX a good diversifier for NRG?
Yes. With a correlation of -0.41, NRG and VXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.41 mean?
A reading of -0.41 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/nrg-vs-vxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/nrg-vs-vxx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: NRG correlations · VXX correlations
