CSGP vs QQQ: Correlation
How closely do CoStar Group (CSGP) and Invesco QQQ Trust (QQQ) 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 CSGP and QQQ?
Over the past 3 years, CSGP and QQQ moved with a correlation of 0.26, which is weak. Lately the two have drifted apart, with the 1-year correlation at 0.05 versus 0.26 over 3 years. Over 5 years the correlation is 0.40, and the annualized covariance of weekly returns is 183.6 %².
Within CSGP's tracked universe of 34 assets, QQQ comes in at #23 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 91.3 percentage points (-65.0% for CSGP against +26.3% for QQQ). Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from 0.04 to 0.61. Risk is not evenly split, since CSGP carries 1.9 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.
CSGP vs QQQ: side by side
| CSGP (CoStar Group) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -65.0% | +26.3% |
| 5-year return | -62.7% | +95.4% |
| Volatility (ann.) | 36.5% | 19.6% |
| Beta vs S&P 500 | 0.86 | 1.28 |
| Max drawdown (3Y) | -72.2% | -22.8% |
| Market cap | $12.7B | – |
| P/E (trailing) | 174.1 | – |
| Dividend yield | 0.00% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | Real Estate | 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 | CSGP | QQQ |
|---|---|---|
| 2022 | -2.2% | -32.6% |
| 2023 | +13.1% | +54.9% |
| 2024 | -18.1% | +25.6% |
| 2025 | -6.1% | +20.8% |
| 2026 | -53.4% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CSGP and QQQ good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.26 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between CSGP and QQQ?
Using weekly returns as of 2026-08-27: 0.26 over 3 years, with 0.05 over the last year and 0.40 over 5 years.
Is QQQ a good diversifier for CSGP?
Yes, to a useful degree: a correlation of 0.26 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.26 mean?
On the −1 to +1 scale, 0.26 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
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Related comparisons
Hubs: CSGP correlations · QQQ correlations
