ISTR vs QQQ: Correlation
How closely do Investar Holding Corporation (ISTR) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.27, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ISTR and QQQ?
Across a 3-year window, the weekly returns of ISTR and QQQ correlate at 0.27, weak. Lately the two have drifted apart, with the 1-year correlation at 0.10 versus 0.27 over 3 years. Stretching to 5 years gives 0.13, with an annualized covariance of 169.1 %².
Out of 12 assets tracked against ISTR, QQQ lands near the bottom at #9. On 12-month performance ISTR holds a 6.0-point edge, +32.3% against +26.3%. One caveat on sizing: ISTR is 1.6 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.
ISTR vs QQQ: side by side
| ISTR (Investar Holding Corporation) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +32.3% | +26.3% |
| 5-year return | +50.1% | +95.4% |
| Volatility (ann.) | 32.1% | 19.6% |
| Beta vs S&P 500 | 0.84 | 1.28 |
| Max drawdown (3Y) | -35.3% | -22.8% |
| Market cap | $0.4B | – |
| P/E (trailing) | 12.4 | – |
| Dividend yield | 1.50% | 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 | ISTR | QQQ |
|---|---|---|
| 2022 | +19.0% | -32.6% |
| 2023 | -28.6% | +54.9% |
| 2024 | +50.7% | +25.6% |
| 2025 | +24.2% | +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 ISTR and QQQ good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.27 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ISTR and QQQ?
Using weekly returns as of 2026-08-27: 0.27 over 3 years, with 0.10 over the last year and 0.13 over 5 years.
Is QQQ a good diversifier for ISTR?
Yes, to a useful degree: a correlation of 0.27 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.27 mean?
On the −1 to +1 scale, 0.27 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.
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Related comparisons
Hubs: ISTR correlations · QQQ correlations
