QQQ vs RHI: Correlation
Measured on weekly returns over the past three years, Invesco QQQ Trust (QQQ) and Robert Half Inc. (RHI) carry a correlation of 0.25, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and RHI?
On 3 years of weekly data the QQQ/RHI correlation comes out at 0.25, weak. The link has loosened recently: the 1-year correlation (0.02) runs below the 3-year figure (0.25). The 5-year figure is 0.35, and annualized covariance runs at 203.2 %².
Among the 4755 assets we track against QQQ, RHI ranks #2160 by 3-year correlation. On 12-month performance RHI holds a 6.2-point edge, +26.3% against +32.5%. One caveat on sizing: RHI is 2.1 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.
QQQ vs RHI: side by side
| QQQ (Invesco QQQ Trust) | RHI (Robert Half Inc.) | |
|---|---|---|
| 1-year return | +26.3% | +32.5% |
| 5-year return | +95.4% | -47.2% |
| Volatility (ann.) | 19.6% | 41.2% |
| Beta vs S&P 500 | 1.28 | 0.95 |
| Max drawdown (3Y) | -22.8% | -72.2% |
| Market cap | – | $4.6B |
| P/E (trailing) | – | 38.8 |
| Dividend yield | 0.44% | 5.30% |
| 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 | RHI |
|---|---|---|
| 2022 | -32.6% | -32.5% |
| 2023 | +54.9% | +22.1% |
| 2024 | +25.6% | -17.4% |
| 2025 | +20.8% | -59.1% |
| 2026 | +17.7% | +75.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and RHI good diversifiers for each other?
Reasonably. At 0.25, QQQ and RHI keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between QQQ and RHI?
Using weekly returns as of 2026-08-27: 0.25 over 3 years, with 0.02 over the last year and 0.35 over 5 years.
Is RHI a good diversifier for QQQ?
Reasonably. At 0.25, QQQ and RHI keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.25 mean?
On the −1 to +1 scale, 0.25 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/qqq-vs-rhi.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/qqq-vs-rhi/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: QQQ correlations · RHI correlations
