QQQ vs THG: Correlation
How closely do Invesco QQQ Trust (QQQ) and Hanover Insurance Group Inc (THG) trade together? Their weekly returns over three years give a correlation of -0.02, which is near-zero.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and THG?
Across a 3-year window, the weekly returns of QQQ and THG correlate at -0.02, near zero, meaning they move largely independently. The past 12 months show a weaker link (-0.13) than the 3-year average (-0.02). Stretching to 5 years gives 0.12, with an annualized covariance of -7.9 %².
By 3-year correlation, THG places #4565 of the 4755 assets tracked against QQQ. Over the last 12 months THG came out ahead by 6.8 percentage points (+26.3% against +33.1%).
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 THG: side by side
| QQQ (Invesco QQQ Trust) | THG (Hanover Insurance Group Inc) | |
|---|---|---|
| 1-year return | +26.3% | +33.1% |
| 5-year return | +95.4% | +81.9% |
| Volatility (ann.) | 19.6% | 21.9% |
| Beta vs S&P 500 | 1.28 | 0.24 |
| Max drawdown (3Y) | -22.8% | -14.0% |
| Market cap | – | $7.9B |
| P/E (trailing) | – | 10.9 |
| Dividend yield | 0.44% | 1.64% |
| Expense ratio | 0.18% | – |
| Assets under management | $452.8B | – |
| Sector / category | ETF · US Growth & Tech | US Listed |
QQQ, Invesco's Large Growth fund, carries $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | QQQ | THG |
|---|---|---|
| 2022 | -32.6% | +5.4% |
| 2023 | +54.9% | -7.6% |
| 2024 | +25.6% | +30.6% |
| 2025 | +20.8% | +20.7% |
| 2026 | +17.7% | +25.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and THG good diversifiers for each other?
Yes: at -0.02, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between QQQ and THG?
The QQQ/THG correlation stands at -0.02 on a 3-year window (1 year: -0.13, 5 years: 0.12), computed from weekly returns as of 2026-08-27.
Is THG a good diversifier for QQQ?
Yes: at -0.02, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.02 mean?
A reading of -0.02 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/qqq-vs-thg.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/qqq-vs-thg/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: QQQ correlations · THG correlations