FIX vs QQQ: Correlation
How closely do Comfort Systems USA (FIX) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.49, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FIX and QQQ?
Across a 3-year window, the weekly returns of FIX and QQQ correlate at 0.49, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.35 versus 0.49 over 3 years. Stretching to 5 years gives 0.47, with an annualized covariance of 449.6 %².
Within FIX's tracked universe of 37 assets, QQQ comes in at #22 by 3-year correlation. Correlation aside, the last 12 months split them widely, with FIX ahead by 101.7 points (+128.0% versus +26.3%). Across three years, the rolling one-year figure varied moderately, from 0.22 to 0.66. Note the risk asymmetry: FIX runs 2.4 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
FIX vs QQQ: side by side
| FIX (Comfort Systems USA) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +128.0% | +26.3% |
| 5-year return | +2077.9% | +95.4% |
| Volatility (ann.) | 47.4% | 19.6% |
| Beta vs S&P 500 | 1.74 | 1.28 |
| Max drawdown (3Y) | -46.0% | -22.8% |
| Market cap | $56.8B | – |
| P/E (trailing) | 39.8 | – |
| Dividend yield | 0.16% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | Industrials | 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 | FIX | QQQ |
|---|---|---|
| 2022 | +17.0% | -32.6% |
| 2023 | +79.6% | +54.9% |
| 2024 | +106.9% | +25.6% |
| 2025 | +120.9% | +20.8% |
| 2026 | +73.3% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FIX and QQQ good diversifiers for each other?
Reasonably. At 0.49, FIX and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between FIX and QQQ?
Using weekly returns as of 2026-08-27: 0.49 over 3 years, with 0.35 over the last year and 0.47 over 5 years.
Is QQQ a good diversifier for FIX?
Reasonably. At 0.49, FIX and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.49 mean?
On the −1 to +1 scale, 0.49 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
$ curl https://www.pairbook.io/api/v1/pairs/fix-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/fix-vs-qqq/)
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Related comparisons
Hubs: FIX correlations · QQQ correlations
