IESC vs QQQ: Correlation
How closely do IES Holdings, Inc. (IESC) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.30, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are IESC and QQQ?
On 3 years of weekly data the IESC/QQQ correlation comes out at 0.30, moderate. The link has loosened recently: the 1-year correlation (0.03) runs below the 3-year figure (0.30). The 5-year figure is 0.29, and annualized covariance runs at 403.0 %².
By 3-year correlation, QQQ places #9 of the 18 assets tracked against IESC. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 32.5 percentage points (-6.2% for IESC against +26.3% for QQQ). Risk is not evenly split, since IESC carries 3.5 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.
IESC vs QQQ: side by side
| IESC (IES Holdings, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -6.2% | +26.3% |
| 5-year return | +580.8% | +95.4% |
| Volatility (ann.) | 68.3% | 19.6% |
| Beta vs S&P 500 | 1.67 | 1.28 |
| Max drawdown (3Y) | -60.5% | -22.8% |
| Market cap | $13.3B | – |
| P/E (trailing) | 29.5 | – |
| Dividend yield | 0.00% | 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 | IESC | QQQ |
|---|---|---|
| 2022 | -29.8% | -32.6% |
| 2023 | +122.7% | +54.9% |
| 2024 | +153.7% | +25.6% |
| 2025 | +93.6% | +20.8% |
| 2026 | -14.2% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are IESC and QQQ good diversifiers for each other?
Reasonably. At 0.30, IESC and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between IESC and QQQ?
As of 2026-08-27, the correlation of weekly returns between IESC and QQQ is 0.30 over 3 years, 0.03 over 1 year and 0.29 over 5 years.
Is QQQ a good diversifier for IESC?
Reasonably. At 0.30, IESC and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.30 mean?
A reading of 0.30 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/iesc-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/iesc-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: IESC correlations · QQQ correlations
