PCG vs USBC: Correlation
Measured on weekly returns over the past three years, PG&E Corporation (PCG) and USBC, Inc. (USBC) carry a correlation of -0.24, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PCG and USBC?
On 3 years of weekly data the PCG/USBC correlation comes out at -0.24, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.29) sits close to the 3-year figure. The 5-year figure is -0.17, and annualized covariance runs at -1135.4 %².
By 3-year correlation, USBC places #22 of the 30 assets tracked against PCG. Correlation aside, the last 12 months split them widely, with PCG ahead by 78.0 points (+20.3% versus -57.7%). Risk is not evenly split, since USBC carries 7.8 times the volatility of the other side.
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 USBC: side by side
| PCG (PG&E Corporation) | USBC (USBC, Inc.) | |
|---|---|---|
| 1-year return | +20.3% | -57.7% |
| 5-year return | +102.7% | -99.5% |
| Volatility (ann.) | 24.7% | 193.2% |
| Beta vs S&P 500 | 0.24 | 2.72 |
| Max drawdown (3Y) | -39.6% | -99.2% |
| Market cap | $39.5B | $0.2B |
| P/E (trailing) | 12.9 | – |
| Dividend yield | 0.96% | 0.00% |
| Sector / category | Utilities | US Listed |
Year-by-year returns
| Year | PCG | USBC |
|---|---|---|
| 2022 | +33.9% | -5.9% |
| 2023 | +10.9% | -68.1% |
| 2024 | +12.3% | -66.7% |
| 2025 | -19.7% | -90.7% |
| 2026 | +12.3% | -29.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PCG and USBC good diversifiers for each other?
Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between PCG and USBC?
Using weekly returns as of 2026-08-27: -0.24 over 3 years, with -0.29 over the last year and -0.17 over 5 years.
Is USBC a good diversifier for PCG?
Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.24 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-usbc.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/pcg-vs-usbc/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: PCG correlations · USBC correlations
