EIX vs ZTR: Correlation
How closely do Edison International (EIX) and Virtus Total Return Fund Inc. (ZTR) trade together? Their weekly returns over three years give a correlation of 0.48, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EIX and ZTR?
On 3 years of weekly data the EIX/ZTR correlation comes out at 0.48, moderate. Little has changed lately, as the 1-year reading of 0.54 lands near the 3-year figure. The 5-year figure is 0.52, and annualized covariance runs at 176.3 %².
Within EIX's tracked universe of 30 assets, ZTR comes in at #15 by 3-year correlation. Correlation aside, the last 12 months split them widely, with EIX ahead by 22.4 points (+40.4% versus +18.0%). One caveat on sizing: EIX is 1.9 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.
EIX vs ZTR: side by side
| EIX (Edison International) | ZTR (Virtus Total Return Fund Inc.) | |
|---|---|---|
| 1-year return | +40.4% | +18.0% |
| 5-year return | +62.2% | +27.0% |
| Volatility (ann.) | 26.0% | 14.0% |
| Beta vs S&P 500 | 0.24 | 0.40 |
| Max drawdown (3Y) | -43.9% | -18.3% |
| Market cap | $28.4B | $0.3B |
| P/E (trailing) | 7.7 | 5.7 |
| Dividend yield | 4.64% | 8.75% |
| Sector / category | Utilities | US Listed |
Year-by-year returns
| Year | EIX | ZTR |
|---|---|---|
| 2022 | -2.6% | -21.3% |
| 2023 | +17.4% | -3.2% |
| 2024 | +15.2% | +18.3% |
| 2025 | -20.4% | +18.6% |
| 2026 | +27.6% | +15.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EIX and ZTR good diversifiers for each other?
A fair diversifier. At 0.48, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between EIX and ZTR?
As of 2026-08-27, the correlation of weekly returns between EIX and ZTR is 0.48 over 3 years, 0.54 over 1 year and 0.52 over 5 years.
Is ZTR a good diversifier for EIX?
A fair diversifier. At 0.48, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.48 mean?
On the −1 to +1 scale, 0.48 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/eix-vs-ztr.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/eix-vs-ztr/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: EIX correlations · ZTR correlations
