ISBA vs QQQ: Correlation
Isabella Bank Corporation (ISBA) and Invesco QQQ Trust (QQQ) show a near-zero relationship: their 3-year correlation of weekly returns is -0.00.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ISBA and QQQ?
Across a 3-year window, the weekly returns of ISBA and QQQ correlate at -0.00, near zero, meaning they move largely independently. The link has loosened recently: the 1-year correlation (-0.18) runs below the 3-year figure (-0.00). Stretching to 5 years gives 0.01, with an annualized covariance of -3.2 %².
By 3-year correlation, QQQ places #7 of the 16 assets tracked against ISBA. Over the last 12 months QQQ came out ahead by 9.9 percentage points (+16.4% against +26.3%). One caveat on sizing: ISBA is 1.7 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.
ISBA vs QQQ: side by side
| ISBA (Isabella Bank Corporation) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +16.4% | +26.3% |
| 5-year return | +104.9% | +95.4% |
| Volatility (ann.) | 33.3% | 19.6% |
| Beta vs S&P 500 | 0.05 | 1.28 |
| Max drawdown (3Y) | -34.1% | -22.8% |
| Market cap | $0.3B | – |
| P/E (trailing) | 14.2 | – |
| Dividend yield | 2.91% | 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 | ISBA | QQQ |
|---|---|---|
| 2022 | -3.5% | -32.6% |
| 2023 | -3.5% | +54.9% |
| 2024 | +27.7% | +25.6% |
| 2025 | +99.1% | +20.8% |
| 2026 | -21.9% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ISBA and QQQ good diversifiers for each other?
Yes: at -0.00, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between ISBA and QQQ?
Using weekly returns as of 2026-08-27: -0.00 over 3 years, with -0.18 over the last year and 0.01 over 5 years.
Is QQQ a good diversifier for ISBA?
Yes: at -0.00, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.00 mean?
On the −1 to +1 scale, -0.00 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/isba-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/isba-vs-qqq/)
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Related comparisons
Hubs: ISBA correlations · QQQ correlations
