MCY vs QQQ: Correlation
Mercury General Corporation (MCY) and Invesco QQQ Trust (QQQ) show a weak relationship: their 3-year correlation of weekly returns is 0.18.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MCY and QQQ?
On 3 years of weekly data the MCY/QQQ correlation comes out at 0.18, weak. Lately the two have drifted apart, with the 1-year correlation at -0.01 versus 0.18 over 3 years. The 5-year figure is 0.16, and annualized covariance runs at 123.2 %².
By 3-year correlation, QQQ places #9 of the 14 assets tracked against MCY. The trailing year gives MCY the advantage: +34.1% versus +26.3%, a 7.8-point spread. One caveat on sizing: MCY is 1.8 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.
MCY vs QQQ: side by side
| MCY (Mercury General Corporation) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +34.1% | +26.3% |
| 5-year return | +99.9% | +95.4% |
| Volatility (ann.) | 35.8% | 19.6% |
| Beta vs S&P 500 | 0.75 | 1.28 |
| Max drawdown (3Y) | -40.0% | -22.8% |
| Market cap | – | – |
| P/E (trailing) | 6.2 | – |
| Dividend yield | 1.21% | 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 | MCY | QQQ |
|---|---|---|
| 2022 | -32.6% | -32.6% |
| 2023 | +13.6% | +54.9% |
| 2024 | +82.3% | +25.6% |
| 2025 | +44.1% | +20.8% |
| 2026 | +9.9% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MCY and QQQ good diversifiers for each other?
Yes: at 0.18, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between MCY and QQQ?
The MCY/QQQ correlation stands at 0.18 on a 3-year window (1 year: -0.01, 5 years: 0.16), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for MCY?
Yes: at 0.18, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.18 mean?
On the −1 to +1 scale, 0.18 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/mcy-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/mcy-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: MCY correlations · QQQ correlations
