NDRA vs QQQ: Correlation
How closely do ENDRA Life Sciences Inc. (NDRA) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.14, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NDRA and QQQ?
Across a 3-year window, the weekly returns of NDRA and QQQ correlate at 0.14, weak. The past 12 months show a tighter link (0.35) than the 3-year average (0.14). Stretching to 5 years gives 0.14, with an annualized covariance of 403.8 %².
Out of 11 assets tracked against NDRA, QQQ lands near the bottom at #7. On 12-month performance NDRA holds a 5.2-point edge, +31.5% against +26.3%. Note the risk asymmetry: NDRA runs 7.7 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.
NDRA vs QQQ: side by side
| NDRA (ENDRA Life Sciences Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +31.5% | +26.3% |
| 5-year return | -100.0% | +95.4% |
| Volatility (ann.) | 150.8% | 19.6% |
| Beta vs S&P 500 | 1.41 | 1.28 |
| Max drawdown (3Y) | -99.9% | -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 | NDRA | QQQ |
|---|---|---|
| 2022 | -70.6% | -32.6% |
| 2023 | -47.9% | +54.9% |
| 2024 | -99.8% | +25.6% |
| 2025 | -27.6% | +20.8% |
| 2026 | +19.3% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NDRA and QQQ good diversifiers for each other?
Yes: at 0.14, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between NDRA and QQQ?
The NDRA/QQQ correlation stands at 0.14 on a 3-year window (1 year: 0.35, 5 years: 0.14), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for NDRA?
Yes: at 0.14, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.14 mean?
A reading of 0.14 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ndra-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ndra-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: NDRA correlations · QQQ correlations
