CSPI vs QQQ: Correlation
Measured on weekly returns over the past three years, CSP Inc. (CSPI) and Invesco QQQ Trust (QQQ) carry a correlation of 0.31, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CSPI and QQQ?
On 3 years of weekly data the CSPI/QQQ correlation comes out at 0.31, moderate. The link has tightened recently: the 1-year correlation (0.43) runs above the 3-year figure (0.31). The 5-year figure is 0.26, and annualized covariance runs at 455.2 %².
By 3-year correlation, QQQ places #7 of the 12 assets tracked against CSPI. Correlation aside, the last 12 months split them widely, with QQQ ahead by 63.4 points (-37.1% versus +26.3%). Risk is not evenly split, since CSPI carries 3.8 times the volatility of the other side.
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.
CSPI vs QQQ: side by side
| CSPI (CSP Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -37.1% | +26.3% |
| 5-year return | +76.7% | +95.4% |
| Volatility (ann.) | 74.2% | 19.6% |
| Beta vs S&P 500 | 1.67 | 1.28 |
| Max drawdown (3Y) | -73.4% | -22.8% |
| Market cap | $0.1B | – |
| P/E (trailing) | – | – |
| Dividend yield | 1.52% | 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 | CSPI | QQQ |
|---|---|---|
| 2022 | +8.0% | -32.6% |
| 2023 | +108.9% | +54.9% |
| 2024 | +66.1% | +25.6% |
| 2025 | -21.6% | +20.8% |
| 2026 | -36.5% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CSPI and QQQ good diversifiers for each other?
Reasonably. At 0.31, CSPI and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between CSPI and QQQ?
Using weekly returns as of 2026-08-27: 0.31 over 3 years, with 0.43 over the last year and 0.26 over 5 years.
Is QQQ a good diversifier for CSPI?
Reasonably. At 0.31, CSPI and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.31 mean?
On the −1 to +1 scale, 0.31 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/cspi-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/cspi-vs-qqq/)
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Related comparisons
Hubs: CSPI correlations · QQQ correlations
