CASS vs QQQ: Correlation
Measured on weekly returns over the past three years, Cass Information Systems, Inc (CASS) and Invesco QQQ Trust (QQQ) carry a correlation of 0.34, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CASS and QQQ?
Across a 3-year window, the weekly returns of CASS and QQQ correlate at 0.34, moderate. The past 12 months show a weaker link (0.16) than the 3-year average (0.34). Stretching to 5 years gives 0.34, with an annualized covariance of 153.1 %².
Out of 10 assets tracked against CASS, QQQ lands near the bottom at #7. Over the last 12 months CASS came out ahead by 9.8 percentage points (+36.1% against +26.3%).
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.
CASS vs QQQ: side by side
| CASS (Cass Information Systems, Inc) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +36.1% | +26.3% |
| 5-year return | +45.6% | +95.4% |
| Volatility (ann.) | 23.2% | 19.6% |
| Beta vs S&P 500 | 0.66 | 1.28 |
| Max drawdown (3Y) | -20.5% | -22.8% |
| Market cap | $0.7B | – |
| P/E (trailing) | 20.7 | – |
| Dividend yield | 2.23% | 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 | CASS | QQQ |
|---|---|---|
| 2022 | +20.0% | -32.6% |
| 2023 | +1.1% | +54.9% |
| 2024 | -6.7% | +25.6% |
| 2025 | +4.5% | +20.8% |
| 2026 | +38.8% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CASS and QQQ good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.34 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between CASS and QQQ?
As of 2026-08-27, the correlation of weekly returns between CASS and QQQ is 0.34 over 3 years, 0.16 over 1 year and 0.34 over 5 years.
Is QQQ a good diversifier for CASS?
Yes, to a useful degree: a correlation of 0.34 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.34 mean?
A reading of 0.34 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: CASS correlations · QQQ correlations
