CSIQ vs FISV: Correlation
Canadian Solar Inc. (CSIQ) and Fiserv (FISV) show a negative relationship: their 3-year correlation of weekly returns is -0.32.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CSIQ and FISV?
Over the past 3 years, CSIQ and FISV moved with a correlation of -0.32, which is negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.42 over 1 year against -0.32 over 3. Over 5 years the correlation is -0.21, and the annualized covariance of weekly returns is -989.0 %².
Out of 15 assets tracked against CSIQ, FISV lands near the bottom at #15. The last year tells two different stories: CSIQ led by 97.1 percentage points, +35.2% for CSIQ against -61.9% for FISV. One caveat on sizing: CSIQ is 2.0 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.
CSIQ vs FISV: side by side
| CSIQ (Canadian Solar Inc.) | FISV (Fiserv) | |
|---|---|---|
| 1-year return | +35.2% | -61.9% |
| 5-year return | -62.6% | -55.0% |
| Volatility (ann.) | 79.8% | 39.2% |
| Beta vs S&P 500 | 1.82 | 0.58 |
| Max drawdown (3Y) | -76.1% | -80.2% |
| Market cap | $0.9B | $28.0B |
| P/E (trailing) | – | 10.1 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | Financials |
Year-by-year returns
| Year | CSIQ | FISV |
|---|---|---|
| 2022 | -1.2% | -2.6% |
| 2023 | -15.1% | +31.4% |
| 2024 | -57.6% | +54.6% |
| 2025 | +113.8% | -67.3% |
| 2026 | -41.2% | -21.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CSIQ and FISV good diversifiers for each other?
Yes: at -0.32, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between CSIQ and FISV?
The CSIQ/FISV correlation stands at -0.32 on a 3-year window (1 year: -0.42, 5 years: -0.21), computed from weekly returns as of 2026-08-27.
Is FISV a good diversifier for CSIQ?
Yes: at -0.32, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.32 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-fisv.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/csiq-vs-fisv/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CSIQ correlations · FISV correlations
