PII vs QQQ: Correlation
How closely do Polaris Inc. (PII) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.32, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PII and QQQ?
On 3 years of weekly data the PII/QQQ correlation comes out at 0.32, moderate. Little has changed lately, as the 1-year reading of 0.29 lands near the 3-year figure. The 5-year figure is 0.41, and annualized covariance runs at 247.4 %².
QQQ is close to the least connected end of PII's tracked universe, ranking #12 of 15. The trailing year gives QQQ the advantage: +15.8% versus +26.3%, a 10.5-point spread. Risk is not evenly split, since PII carries 2.0 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.
PII vs QQQ: side by side
| PII (Polaris Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +15.8% | +26.3% |
| 5-year return | -39.0% | +95.4% |
| Volatility (ann.) | 39.0% | 19.6% |
| Beta vs S&P 500 | 1.07 | 1.28 |
| Max drawdown (3Y) | -70.4% | -22.8% |
| Market cap | $3.6B | – |
| P/E (trailing) | – | – |
| Dividend yield | 4.24% | 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 | PII | QQQ |
|---|---|---|
| 2022 | -6.0% | -32.6% |
| 2023 | -3.8% | +54.9% |
| 2024 | -37.2% | +25.6% |
| 2025 | +15.9% | +20.8% |
| 2026 | +3.1% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PII and QQQ good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.32 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between PII and QQQ?
Using weekly returns as of 2026-08-27: 0.32 over 3 years, with 0.29 over the last year and 0.41 over 5 years.
Is QQQ a good diversifier for PII?
Yes, to a useful degree: a correlation of 0.32 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.32 mean?
A reading of 0.32 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/pii-vs-qqq.json
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[](https://www.pairbook.io/pair/pii-vs-qqq/)
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Related comparisons
Hubs: PII correlations · QQQ correlations
