QQQ vs SCSC: Correlation
Measured on weekly returns over the past three years, Invesco QQQ Trust (QQQ) and ScanSource, Inc. (SCSC) carry a correlation of 0.43, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and SCSC?
Over the past 3 years, QQQ and SCSC moved with a correlation of 0.43, which is moderate. Little has changed lately, as the 1-year reading of 0.39 lands near the 3-year figure. Over 5 years the correlation is 0.46, and the annualized covariance of weekly returns is 298.4 %².
By 3-year correlation, SCSC places #494 of the 4755 assets tracked against QQQ. Neither side won the trailing year by much: +26.3% against +30.0%. One caveat on sizing: SCSC is 1.8 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.
QQQ vs SCSC: side by side
| QQQ (Invesco QQQ Trust) | SCSC (ScanSource, Inc.) | |
|---|---|---|
| 1-year return | +26.3% | +30.0% |
| 5-year return | +95.4% | +60.7% |
| Volatility (ann.) | 19.6% | 35.5% |
| Beta vs S&P 500 | 1.28 | 1.21 |
| Max drawdown (3Y) | -22.8% | -44.2% |
| Market cap | – | $1.2B |
| P/E (trailing) | – | 15.5 |
| Dividend yield | 0.44% | 0.00% |
| Expense ratio | 0.18% | – |
| Assets under management | $452.8B | – |
| Sector / category | ETF · US Growth & Tech | US Listed |
QQQ, Invesco's Large Growth fund, carries $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | QQQ | SCSC |
|---|---|---|
| 2022 | -32.6% | -16.7% |
| 2023 | +54.9% | +35.6% |
| 2024 | +25.6% | +19.8% |
| 2025 | +20.8% | -17.7% |
| 2026 | +17.7% | +48.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and SCSC good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.43 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between QQQ and SCSC?
As of 2026-08-27, the correlation of weekly returns between QQQ and SCSC is 0.43 over 3 years, 0.39 over 1 year and 0.46 over 5 years.
Is SCSC a good diversifier for QQQ?
Yes, to a useful degree: a correlation of 0.43 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.43 mean?
On the −1 to +1 scale, 0.43 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/qqq-vs-scsc.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/qqq-vs-scsc/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: QQQ correlations · SCSC correlations
