ACNB vs QQQ: Correlation
How closely do ACNB Corporation (ACNB) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.24, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACNB and QQQ?
Across a 3-year window, the weekly returns of ACNB and QQQ correlate at 0.24, weak. The link has loosened recently: the 1-year correlation (-0.02) runs below the 3-year figure (0.24). Stretching to 5 years gives 0.21, with an annualized covariance of 160.8 %².
Out of 11 assets tracked against ACNB, QQQ lands near the bottom at #8. The last year tells two different stories: ACNB led by 19.5 percentage points, +45.8% for ACNB against +26.3% for QQQ. Note the risk asymmetry: ACNB runs 1.7 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
ACNB vs QQQ: side by side
| ACNB (ACNB Corporation) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +45.8% | +26.3% |
| 5-year return | +163.7% | +95.4% |
| Volatility (ann.) | 33.7% | 19.6% |
| Beta vs S&P 500 | 0.81 | 1.28 |
| Max drawdown (3Y) | -34.6% | -22.8% |
| Market cap | $0.7B | – |
| P/E (trailing) | 12.1 | – |
| Dividend yield | 2.36% | 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 | ACNB | QQQ |
|---|---|---|
| 2022 | +31.2% | -32.6% |
| 2023 | +16.2% | +54.9% |
| 2024 | -8.0% | +25.6% |
| 2025 | +25.2% | +20.8% |
| 2026 | +36.8% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACNB and QQQ good diversifiers for each other?
Reasonably. At 0.24, ACNB and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ACNB and QQQ?
The ACNB/QQQ correlation stands at 0.24 on a 3-year window (1 year: -0.02, 5 years: 0.21), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for ACNB?
Reasonably. At 0.24, ACNB and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.24 mean?
On the −1 to +1 scale, 0.24 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
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Related comparisons
Hubs: ACNB correlations · QQQ correlations
