OFLX vs QQQ: Correlation
Measured on weekly returns over the past three years, Omega Flex, Inc. (OFLX) and Invesco QQQ Trust (QQQ) carry a correlation of 0.27, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are OFLX and QQQ?
Across a 3-year window, the weekly returns of OFLX and QQQ correlate at 0.27, weak. Lately the two have drifted apart, with the 1-year correlation at 0.13 versus 0.27 over 3 years. Stretching to 5 years gives 0.32, with an annualized covariance of 200.8 %².
QQQ is close to the least connected end of OFLX's tracked universe, ranking #7 of 10. Correlation aside, the last 12 months split them widely, with QQQ ahead by 46.8 points (-20.5% versus +26.3%). One caveat on sizing: OFLX is 1.9 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.
OFLX vs QQQ: side by side
| OFLX (Omega Flex, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -20.5% | +26.3% |
| 5-year return | -79.8% | +95.4% |
| Volatility (ann.) | 37.6% | 19.6% |
| Beta vs S&P 500 | 0.94 | 1.28 |
| Max drawdown (3Y) | -68.3% | -22.8% |
| Market cap | $0.3B | – |
| P/E (trailing) | 23.1 | – |
| Dividend yield | 5.06% | 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 | OFLX | QQQ |
|---|---|---|
| 2022 | -25.6% | -32.6% |
| 2023 | -23.4% | +54.9% |
| 2024 | -38.9% | +25.6% |
| 2025 | -26.8% | +20.8% |
| 2026 | -6.9% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are OFLX and QQQ good diversifiers for each other?
A fair diversifier. At 0.27, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between OFLX and QQQ?
The OFLX/QQQ correlation stands at 0.27 on a 3-year window (1 year: 0.13, 5 years: 0.32), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for OFLX?
A fair diversifier. At 0.27, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.27 mean?
On the −1 to +1 scale, 0.27 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/oflx-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/oflx-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: OFLX correlations · QQQ correlations
