QQQ vs STRR: Correlation
How closely do Invesco QQQ Trust (QQQ) and Star Equity Holdings, Inc. (STRR) trade together? Their weekly returns over three years give a correlation of 0.26, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and STRR?
Across a 3-year window, the weekly returns of QQQ and STRR correlate at 0.26, weak. Little has changed lately, as the 1-year reading of 0.23 lands near the 3-year figure. Stretching to 5 years gives 0.15, with an annualized covariance of 178.6 %².
Within QQQ's tracked universe of 4755 assets, STRR comes in at #2041 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 18.7 percentage points (+26.3% for QQQ against +7.6% for STRR). Risk is not evenly split, since STRR 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.
QQQ vs STRR: side by side
| QQQ (Invesco QQQ Trust) | STRR (Star Equity Holdings, Inc.) | |
|---|---|---|
| 1-year return | +26.3% | +7.6% |
| 5-year return | +95.4% | -38.9% |
| Volatility (ann.) | 19.6% | 35.1% |
| Beta vs S&P 500 | 1.28 | 0.69 |
| Max drawdown (3Y) | -22.8% | -62.9% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.44% | 0.00% |
| Expense ratio | 0.18% | – |
| Assets under management | $452.8B | – |
| Sector / category | ETF · US Growth & Tech | US Listed |
On the fund side, QQQ sits in the Large Growth category at Invesco, with $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | QQQ | STRR |
|---|---|---|
| 2022 | -32.6% | -22.0% |
| 2023 | +54.9% | -31.6% |
| 2024 | +25.6% | -15.8% |
| 2025 | +20.8% | -13.8% |
| 2026 | +17.7% | -9.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and STRR good diversifiers for each other?
Reasonably. At 0.26, QQQ and STRR keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between QQQ and STRR?
Using weekly returns as of 2026-08-27: 0.26 over 3 years, with 0.23 over the last year and 0.15 over 5 years.
Is STRR a good diversifier for QQQ?
Reasonably. At 0.26, QQQ and STRR keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.26 mean?
A reading of 0.26 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: QQQ correlations · STRR correlations
