PRFX vs QQQ: Correlation
How closely do PRF Technologies Ltd. (PRFX) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.11, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PRFX and QQQ?
On 3 years of weekly data the PRFX/QQQ correlation comes out at 0.11, weak. The past 12 months show a tighter link (0.41) than the 3-year average (0.11). The 5-year figure is 0.11, and annualized covariance runs at 649.4 %².
QQQ is close to the least connected end of PRFX's tracked universe, ranking #19 of 23. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 114.0 percentage points (-87.7% for PRFX against +26.3% for QQQ). One caveat on sizing: PRFX is 14.9 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.
PRFX vs QQQ: side by side
| PRFX (PRF Technologies Ltd.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -87.7% | +26.3% |
| 5-year return | -99.9% | +95.4% |
| Volatility (ann.) | 291.2% | 19.6% |
| Beta vs S&P 500 | 2.46 | 1.28 |
| Max drawdown (3Y) | -99.3% | -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 | PRFX | QQQ |
|---|---|---|
| 2022 | -68.9% | -32.6% |
| 2023 | -33.4% | +54.9% |
| 2024 | -79.7% | +25.6% |
| 2025 | -80.9% | +20.8% |
| 2026 | -69.3% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PRFX and QQQ good diversifiers for each other?
Yes. With a correlation of 0.11, PRFX and QQQ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between PRFX and QQQ?
The PRFX/QQQ correlation stands at 0.11 on a 3-year window (1 year: 0.41, 5 years: 0.11), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for PRFX?
Yes. With a correlation of 0.11, PRFX and QQQ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of 0.11 mean?
On the −1 to +1 scale, 0.11 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
$ curl https://www.pairbook.io/api/v1/pairs/prfx-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/prfx-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: PRFX correlations · QQQ correlations
