CATX vs QQQ: Correlation
Measured on weekly returns over the past three years, Perspective Therapeutics, Inc. (CATX) and Invesco QQQ Trust (QQQ) carry a correlation of 0.09, a near-zero link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CATX and QQQ?
On 3 years of weekly data the CATX/QQQ correlation comes out at 0.09, near zero, meaning they move largely independently. Little has changed lately, as the 1-year reading of 0.02 lands near the 3-year figure. The 5-year figure is 0.13, and annualized covariance runs at 185.1 %².
Within CATX's tracked universe of 14 assets, QQQ comes in at #8 by 3-year correlation. The last year tells two different stories: QQQ led by 38.2 percentage points, -11.9% for CATX against +26.3% for QQQ. One caveat on sizing: CATX is 5.4 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.
CATX vs QQQ: side by side
| CATX (Perspective Therapeutics, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -11.9% | +26.3% |
| 5-year return | -49.5% | +95.4% |
| Volatility (ann.) | 105.9% | 19.6% |
| Beta vs S&P 500 | 1.10 | 1.28 |
| Max drawdown (3Y) | -90.7% | -22.8% |
| Market cap | $0.4B | – |
| 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 | CATX | QQQ |
|---|---|---|
| 2022 | -35.9% | -32.6% |
| 2023 | +60.0% | +54.9% |
| 2024 | -20.2% | +25.6% |
| 2025 | -13.8% | +20.8% |
| 2026 | +15.6% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CATX and QQQ good diversifiers for each other?
Yes: at 0.09, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between CATX and QQQ?
Using weekly returns as of 2026-08-27: 0.09 over 3 years, with 0.02 over the last year and 0.13 over 5 years.
Is QQQ a good diversifier for CATX?
Yes: at 0.09, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.09 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/catx-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/catx-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CATX correlations · QQQ correlations
