CSQ vs ROKU: Correlation
How closely do Calamos Strategic Total Return Fund - Closed End Fund (CSQ) and Roku, Inc. (ROKU) trade together? Their weekly returns over three years give a correlation of 0.62, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CSQ and ROKU?
Across a 3-year window, the weekly returns of CSQ and ROKU correlate at 0.62, strong. Little has changed lately, as the 1-year reading of 0.56 lands near the 3-year figure. Stretching to 5 years gives 0.55, with an annualized covariance of 701.2 %².
Within CSQ's tracked universe of 51 assets, ROKU comes in at #34 by 3-year correlation. The last year tells two different stories: ROKU led by 41.1 percentage points, +21.4% for CSQ against +62.5% for ROKU. Risk is not evenly split, since ROKU carries 3.2 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.
CSQ vs ROKU: side by side
| CSQ (Calamos Strategic Total Return Fund - Closed End Fund) | ROKU (Roku, Inc.) | |
|---|---|---|
| 1-year return | +21.4% | +62.5% |
| 5-year return | +64.2% | -56.1% |
| Volatility (ann.) | 18.8% | 59.9% |
| Beta vs S&P 500 | 1.22 | 2.49 |
| Max drawdown (3Y) | -24.2% | -51.7% |
| Market cap | $3.4B | $23.2B |
| P/E (trailing) | 3.2 | 67.1 |
| Dividend yield | 2.95% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CSQ | ROKU |
|---|---|---|
| 2022 | -24.2% | -82.2% |
| 2023 | +20.9% | +125.2% |
| 2024 | +28.2% | -18.9% |
| 2025 | +16.3% | +45.9% |
| 2026 | +14.3% | +44.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CSQ and ROKU good diversifiers for each other?
Only partially. A correlation of 0.62 means CSQ and ROKU share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between CSQ and ROKU?
As of 2026-08-27, the correlation of weekly returns between CSQ and ROKU is 0.62 over 3 years, 0.56 over 1 year and 0.55 over 5 years.
Is ROKU a good diversifier for CSQ?
Only partially. A correlation of 0.62 means CSQ and ROKU share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.62 mean?
A reading of 0.62 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/csq-vs-roku.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/csq-vs-roku/)
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Related comparisons
Hubs: CSQ correlations · ROKU correlations
