PCG vs QQQ: Correlation
PG&E Corporation (PCG) and Invesco QQQ Trust (QQQ) show a near-zero relationship: their 3-year correlation of weekly returns is 0.02.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PCG and QQQ?
Across a 3-year window, the weekly returns of PCG and QQQ correlate at 0.02, near zero, meaning they move largely independently. The link has loosened recently: the 1-year correlation (-0.21) runs below the 3-year figure (0.02). Stretching to 5 years gives 0.19, with an annualized covariance of 10.9 %².
Among the 30 assets we track against PCG, QQQ ranks #17 by 3-year correlation. Over the last 12 months QQQ came out ahead by 6.0 percentage points (+20.3% against +26.3%). This link changes with the market regime, having swung between -0.23 and 0.28 on a rolling one-year basis.
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 QQQ: side by side
| PCG (PG&E Corporation) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +20.3% | +26.3% |
| 5-year return | +102.7% | +95.4% |
| Volatility (ann.) | 24.7% | 19.6% |
| Beta vs S&P 500 | 0.24 | 1.28 |
| Max drawdown (3Y) | -39.6% | -22.8% |
| Market cap | $39.5B | – |
| P/E (trailing) | 12.9 | – |
| Dividend yield | 0.96% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | Utilities | ETF · US Growth & Tech |
QQQ is a Large Growth fund from Invesco: $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | PCG | QQQ |
|---|---|---|
| 2022 | +33.9% | -32.6% |
| 2023 | +10.9% | +54.9% |
| 2024 | +12.3% | +25.6% |
| 2025 | -19.7% | +20.8% |
| 2026 | +12.3% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PCG and QQQ good diversifiers for each other?
By historical standards, yes. A correlation of 0.02 means the two rarely move for the same reasons.
FAQ
What is the correlation between PCG and QQQ?
The PCG/QQQ correlation stands at 0.02 on a 3-year window (1 year: -0.21, 5 years: 0.19), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for PCG?
By historical standards, yes. A correlation of 0.02 means the two rarely move for the same reasons.
What does a correlation of 0.02 mean?
On the −1 to +1 scale, 0.02 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/pcg-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/pcg-vs-qqq/)
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Related comparisons
Hubs: PCG correlations · QQQ correlations
