ERNA vs QQQ: Correlation
Ernexa Therapeutics Inc. (ERNA) and Invesco QQQ Trust (QQQ) show a weak relationship: their 3-year correlation of weekly returns is 0.21.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ERNA and QQQ?
Across a 3-year window, the weekly returns of ERNA and QQQ correlate at 0.21, weak. Lately the two have moved closer together, with the 1-year correlation at 0.32 versus 0.21 over 3 years. Stretching to 5 years gives 0.25, with an annualized covariance of 529.1 %².
Among the 14 assets we track against ERNA, QQQ ranks #6 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 112.7 percentage points (-86.4% for ERNA against +26.3% for QQQ). Note the risk asymmetry: ERNA runs 6.7 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.
ERNA vs QQQ: side by side
| ERNA (Ernexa Therapeutics Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -86.4% | +26.3% |
| 5-year return | -100.0% | +95.4% |
| Volatility (ann.) | 131.2% | 19.6% |
| Beta vs S&P 500 | 1.62 | 1.28 |
| Max drawdown (3Y) | -99.7% | -22.8% |
| Market cap | – | – |
| 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 | ERNA | QQQ |
|---|---|---|
| 2022 | -96.1% | -32.6% |
| 2023 | -44.1% | +54.9% |
| 2024 | -83.9% | +25.6% |
| 2025 | -72.4% | +20.8% |
| 2026 | -84.2% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ERNA and QQQ good diversifiers for each other?
Reasonably. At 0.21, ERNA and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ERNA and QQQ?
Using weekly returns as of 2026-08-27: 0.21 over 3 years, with 0.32 over the last year and 0.25 over 5 years.
Is QQQ a good diversifier for ERNA?
Reasonably. At 0.21, ERNA and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.21 mean?
On the −1 to +1 scale, 0.21 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: ERNA correlations · QQQ correlations
