DORM vs QQQ: Correlation
How closely do Dorman Products, Inc. (DORM) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.28, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DORM and QQQ?
Over the past 3 years, DORM and QQQ moved with a correlation of 0.28, which is weak. Little has changed lately, as the 1-year reading of 0.20 lands near the 3-year figure. Over 5 years the correlation is 0.32, and the annualized covariance of weekly returns is 171.8 %².
QQQ is close to the least connected end of DORM's tracked universe, ranking #11 of 14. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 47.9 percentage points (-21.6% for DORM against +26.3% for QQQ). One caveat on sizing: DORM is 1.6 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
DORM vs QQQ: side by side
| DORM (Dorman Products, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -21.6% | +26.3% |
| 5-year return | +34.2% | +95.4% |
| Volatility (ann.) | 31.5% | 19.6% |
| Beta vs S&P 500 | 0.78 | 1.28 |
| Max drawdown (3Y) | -39.6% | -22.8% |
| Market cap | $3.8B | – |
| P/E (trailing) | 17.9 | – |
| Dividend yield | 0.00% | 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 | DORM | QQQ |
|---|---|---|
| 2022 | -28.4% | -32.6% |
| 2023 | +3.1% | +54.9% |
| 2024 | +55.3% | +25.6% |
| 2025 | -4.9% | +20.8% |
| 2026 | +4.1% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DORM and QQQ good diversifiers for each other?
Reasonably. At 0.28, DORM and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between DORM and QQQ?
As of 2026-08-27, the correlation of weekly returns between DORM and QQQ is 0.28 over 3 years, 0.20 over 1 year and 0.32 over 5 years.
Is QQQ a good diversifier for DORM?
Reasonably. At 0.28, DORM and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.28 mean?
A reading of 0.28 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/dorm-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/dorm-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: DORM correlations · QQQ correlations
