NPO vs QQQ: Correlation
Enpro Inc. (NPO) and Invesco QQQ Trust (QQQ) show a moderate relationship: their 3-year correlation of weekly returns is 0.50.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NPO and QQQ?
Across a 3-year window, the weekly returns of NPO and QQQ correlate at 0.50, moderate. The link has loosened recently: the 1-year correlation (0.39) runs below the 3-year figure (0.50). Stretching to 5 years gives 0.47, with an annualized covariance of 335.5 %².
By 3-year correlation, QQQ places #18 of the 25 assets tracked against NPO. Over the last 12 months NPO came out ahead by 10.8 percentage points (+37.1% against +26.3%). Risk is not evenly split, since NPO carries 1.8 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.
NPO vs QQQ: side by side
| NPO (Enpro Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +37.1% | +26.3% |
| 5-year return | +270.5% | +95.4% |
| Volatility (ann.) | 34.4% | 19.6% |
| Beta vs S&P 500 | 1.27 | 1.28 |
| Max drawdown (3Y) | -33.7% | -22.8% |
| Market cap | $6.5B | – |
| P/E (trailing) | 149.1 | – |
| Dividend yield | 0.41% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | US Listed | 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 | NPO | QQQ |
|---|---|---|
| 2022 | -0.2% | -32.6% |
| 2023 | +45.6% | +54.9% |
| 2024 | +10.9% | +25.6% |
| 2025 | +25.0% | +20.8% |
| 2026 | +44.5% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NPO and QQQ good diversifiers for each other?
Only partially. A correlation of 0.50 means NPO and QQQ share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between NPO and QQQ?
As of 2026-08-27, the correlation of weekly returns between NPO and QQQ is 0.50 over 3 years, 0.39 over 1 year and 0.47 over 5 years.
Is QQQ a good diversifier for NPO?
Only partially. A correlation of 0.50 means NPO and QQQ share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.50 mean?
A reading of 0.50 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
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Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/npo-vs-qqq/)
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Related comparisons
Hubs: NPO correlations · QQQ correlations
