ACH vs QQQ: Correlation
How closely do Accendra Health, Inc. (ACH) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.13, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACH and QQQ?
On 3 years of weekly data the ACH/QQQ correlation comes out at 0.13, weak. The relationship has been stable: the 1-year correlation (0.14) sits close to the 3-year figure. The 5-year figure is 0.22, and annualized covariance runs at 218.5 %².
Within ACH's tracked universe of 16 assets, QQQ comes in at #7 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 101.6 percentage points (-75.3% for ACH against +26.3% for QQQ). One caveat on sizing: ACH is 4.5 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.
ACH vs QQQ: side by side
| ACH (Accendra Health, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -75.3% | +26.3% |
| 5-year return | -96.8% | +95.4% |
| Volatility (ann.) | 89.1% | 19.6% |
| Beta vs S&P 500 | 1.37 | 1.28 |
| Max drawdown (3Y) | -96.6% | -22.8% |
| Market cap | $0.1B | – |
| P/E (trailing) | – | – |
| 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 | ACH | QQQ |
|---|---|---|
| 2022 | -55.1% | -32.6% |
| 2023 | -1.3% | +54.9% |
| 2024 | -32.2% | +25.6% |
| 2025 | -78.6% | +20.8% |
| 2026 | -56.8% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACH and QQQ good diversifiers for each other?
By historical standards, yes. A correlation of 0.13 means the two rarely move for the same reasons.
FAQ
What is the correlation between ACH and QQQ?
Using weekly returns as of 2026-08-27: 0.13 over 3 years, with 0.14 over the last year and 0.22 over 5 years.
Is QQQ a good diversifier for ACH?
By historical standards, yes. A correlation of 0.13 means the two rarely move for the same reasons.
What does a correlation of 0.13 mean?
On the −1 to +1 scale, 0.13 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: ACH correlations · QQQ correlations