CSIQ vs QQQ: Correlation
Measured on weekly returns over the past three years, Canadian Solar Inc. (CSIQ) and Invesco QQQ Trust (QQQ) carry a correlation of 0.34, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CSIQ and QQQ?
On 3 years of weekly data the CSIQ/QQQ correlation comes out at 0.34, moderate. Little has changed lately, as the 1-year reading of 0.28 lands near the 3-year figure. The 5-year figure is 0.34, and annualized covariance runs at 532.1 %².
By 3-year correlation, QQQ places #7 of the 15 assets tracked against CSIQ. Over the last 12 months CSIQ came out ahead by 8.9 percentage points (+35.2% against +26.3%). Risk is not evenly split, since CSIQ carries 4.1 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.
CSIQ vs QQQ: side by side
| CSIQ (Canadian Solar Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +35.2% | +26.3% |
| 5-year return | -62.6% | +95.4% |
| Volatility (ann.) | 79.8% | 19.6% |
| Beta vs S&P 500 | 1.82 | 1.28 |
| Max drawdown (3Y) | -76.1% | -22.8% |
| Market cap | $0.9B | – |
| 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 | CSIQ | QQQ |
|---|---|---|
| 2022 | -1.2% | -32.6% |
| 2023 | -15.1% | +54.9% |
| 2024 | -57.6% | +25.6% |
| 2025 | +113.8% | +20.8% |
| 2026 | -41.2% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CSIQ and QQQ good diversifiers for each other?
Reasonably. At 0.34, CSIQ and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between CSIQ and QQQ?
Using weekly returns as of 2026-08-27: 0.34 over 3 years, with 0.28 over the last year and 0.34 over 5 years.
Is QQQ a good diversifier for CSIQ?
Reasonably. At 0.34, CSIQ and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.34 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/csiq-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/csiq-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CSIQ correlations · QQQ correlations
