PCG vs VXZ: Correlation
Measured on weekly returns over the past three years, PG&E Corporation (PCG) and iPath Series B S&P 500 VIX Mid-Term Futures ETN (VXZ) carry a correlation of -0.28, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PCG and VXZ?
On 3 years of weekly data the PCG/VXZ correlation comes out at -0.28, negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (-0.13) than the 3-year average (-0.28). The 5-year figure is -0.32, and annualized covariance runs at -177.6 %².
By 3-year correlation, VXZ places #25 of the 30 assets tracked against PCG. Correlation aside, the last 12 months split them widely, with PCG ahead by 36.4 points (+20.3% versus -16.1%).
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.
PCG vs VXZ: side by side
| PCG (PG&E Corporation) | VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN) | |
|---|---|---|
| 1-year return | +20.3% | -16.1% |
| 5-year return | +102.7% | -53.1% |
| Volatility (ann.) | 24.7% | 25.6% |
| Beta vs S&P 500 | 0.24 | -1.31 |
| Max drawdown (3Y) | -39.6% | -36.4% |
| Market cap | $39.5B | – |
| P/E (trailing) | 12.9 | – |
| Dividend yield | 0.96% | – |
| Sector / category | Utilities | US Listed |
Year-by-year returns
| Year | PCG | VXZ |
|---|---|---|
| 2022 | +33.9% | +0.5% |
| 2023 | +10.9% | -44.0% |
| 2024 | +12.3% | -12.7% |
| 2025 | -19.7% | +5.7% |
| 2026 | +12.3% | -10.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PCG and VXZ good diversifiers for each other?
Yes: at -0.28, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between PCG and VXZ?
The PCG/VXZ correlation stands at -0.28 on a 3-year window (1 year: -0.13, 5 years: -0.32), computed from weekly returns as of 2026-08-27.
Is VXZ a good diversifier for PCG?
Yes: at -0.28, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.28 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/pcg-vs-vxz.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/pcg-vs-vxz/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PCG correlations · VXZ correlations
