CGO vs PSIX: Correlation
Calamos Global Total Return Fund - Closed End Fund (CGO) and Power Solutions International, Inc. (PSIX) show a moderate relationship: their 3-year correlation of weekly returns is 0.42.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CGO and PSIX?
Across a 3-year window, the weekly returns of CGO and PSIX correlate at 0.42, moderate. The relationship has been stable: the 1-year correlation (0.51) sits close to the 3-year figure. Stretching to 5 years gives 0.31, with an annualized covariance of 843.0 %².
PSIX is close to the least connected end of CGO's tracked universe, ranking #12 of 16. Correlation aside, the last 12 months split them widely, with CGO ahead by 75.7 points (+22.1% versus -53.6%). Risk is not evenly split, since PSIX carries 5.4 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.
CGO vs PSIX: side by side
| CGO (Calamos Global Total Return Fund - Closed End Fund) | PSIX (Power Solutions International, Inc.) | |
|---|---|---|
| 1-year return | +22.1% | -53.6% |
| 5-year return | +21.0% | +670.8% |
| Volatility (ann.) | 19.2% | 104.2% |
| Beta vs S&P 500 | 1.04 | 2.68 |
| Max drawdown (3Y) | -26.7% | -78.0% |
| Market cap | $0.1B | $0.9B |
| P/E (trailing) | 2.9 | 12.4 |
| Dividend yield | 7.31% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CGO | PSIX |
|---|---|---|
| 2022 | -36.6% | +0.0% |
| 2023 | +14.0% | -31.7% |
| 2024 | +36.8% | +1351.2% |
| 2025 | +8.9% | +92.1% |
| 2026 | +20.3% | -33.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CGO and PSIX good diversifiers for each other?
A fair diversifier. At 0.42, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between CGO and PSIX?
The CGO/PSIX correlation stands at 0.42 on a 3-year window (1 year: 0.51, 5 years: 0.31), computed from weekly returns as of 2026-08-27.
Is PSIX a good diversifier for CGO?
A fair diversifier. At 0.42, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.42 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/cgo-vs-psix.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/cgo-vs-psix/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CGO correlations · PSIX correlations
