CMCSA vs ZSQR: Correlation
How closely do Comcast (CMCSA) and Z Squared Inc. (ZSQR) trade together? Their weekly returns over three years give a correlation of -0.21, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CMCSA and ZSQR?
On 3 years of weekly data the CMCSA/ZSQR correlation comes out at -0.21, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.23) sits close to the 3-year figure. The 5-year figure is -0.08, and annualized covariance runs at -486.3 %².
Among the 39 assets we track against CMCSA, ZSQR sits near the bottom by co-movement, at rank #35. The last year tells two different stories: CMCSA led by 55.6 percentage points, -12.6% for CMCSA against -68.2% for ZSQR. Note the risk asymmetry: ZSQR runs 4.1 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
CMCSA vs ZSQR: side by side
| CMCSA (Comcast) | ZSQR (Z Squared Inc.) | |
|---|---|---|
| 1-year return | -12.6% | -68.2% |
| 5-year return | -44.5% | -97.9% |
| Volatility (ann.) | 23.8% | 98.5% |
| Beta vs S&P 500 | 0.48 | 0.28 |
| Max drawdown (3Y) | -44.9% | -89.7% |
| Market cap | $93.7B | $0.2B |
| P/E (trailing) | 8.7 | – |
| Dividend yield | 4.85% | 0.00% |
| Sector / category | Communication Services | US Listed |
Year-by-year returns
| Year | CMCSA | ZSQR |
|---|---|---|
| 2022 | -28.7% | -84.7% |
| 2023 | +29.1% | -48.8% |
| 2024 | -11.8% | -64.9% |
| 2025 | -17.3% | +159.1% |
| 2026 | -2.2% | -70.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CMCSA and ZSQR good diversifiers for each other?
Yes. With a correlation of -0.21, CMCSA and ZSQR have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between CMCSA and ZSQR?
As of 2026-08-27, the correlation of weekly returns between CMCSA and ZSQR is -0.21 over 3 years, -0.23 over 1 year and -0.08 over 5 years.
Is ZSQR a good diversifier for CMCSA?
Yes. With a correlation of -0.21, CMCSA and ZSQR have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.21 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.
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Related comparisons
Hubs: CMCSA correlations · ZSQR correlations