EMA vs RCI: Correlation
Measured on weekly returns over the past three years, Emera Incorporated (EMA) and Rogers Communication, Inc. (RCI) carry a correlation of 0.39, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EMA and RCI?
On 3 years of weekly data the EMA/RCI correlation comes out at 0.39, moderate. The link has loosened recently: the 1-year correlation (0.12) runs below the 3-year figure (0.39). The 5-year figure is 0.42, and annualized covariance runs at 167.9 %².
Among the 11 assets we track against EMA, RCI ranks #6 by 3-year correlation. Neither side won the trailing year by much: +7.5% against +4.8%.
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.
EMA vs RCI: side by side
| EMA (Emera Incorporated) | RCI (Rogers Communication, Inc.) | |
|---|---|---|
| 1-year return | +7.5% | +4.8% |
| 5-year return | +34.4% | -14.6% |
| Volatility (ann.) | 17.4% | 24.8% |
| Beta vs S&P 500 | 0.10 | 0.25 |
| Max drawdown (3Y) | -19.6% | -48.2% |
| Market cap | $15.4B | $19.7B |
| P/E (trailing) | 22.2 | 4.5 |
| Dividend yield | 5.77% | 5.42% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | EMA | RCI |
|---|---|---|
| 2022 | -19.3% | +1.6% |
| 2023 | +3.5% | +3.4% |
| 2024 | +6.3% | -31.9% |
| 2025 | +36.6% | +27.3% |
| 2026 | +3.6% | -1.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EMA and RCI good diversifiers for each other?
A fair diversifier. At 0.39, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between EMA and RCI?
Using weekly returns as of 2026-08-27: 0.39 over 3 years, with 0.12 over the last year and 0.42 over 5 years.
Is RCI a good diversifier for EMA?
A fair diversifier. At 0.39, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.39 mean?
On the −1 to +1 scale, 0.39 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/ema-vs-rci.json
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Related comparisons
Hubs: EMA correlations · RCI correlations
