FTS vs OGE: Correlation
How closely do Fortis Inc. (FTS) and OGE Energy Corp (OGE) trade together? Their weekly returns over three years give a correlation of 0.70, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FTS and OGE?
Across a 3-year window, the weekly returns of FTS and OGE correlate at 0.70, strong. The past 12 months show a tighter link (0.85) than the 3-year average (0.70). Stretching to 5 years gives 0.75, with an annualized covariance of 179.3 %².
Within FTS's tracked universe of 14 assets, OGE comes in at #4 by 3-year correlation. Over the last 12 months FTS came out ahead by 6.9 percentage points (+12.4% against +5.5%).
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.
FTS vs OGE: side by side
| FTS (Fortis Inc.) | OGE (OGE Energy Corp) | |
|---|---|---|
| 1-year return | +12.4% | +5.5% |
| 5-year return | +43.4% | +60.6% |
| Volatility (ann.) | 14.6% | 17.6% |
| Beta vs S&P 500 | 0.04 | 0.20 |
| Max drawdown (3Y) | -11.6% | -11.3% |
| Market cap | $28.0B | $9.5B |
| P/E (trailing) | 22.5 | 20.4 |
| Dividend yield | 4.58% | 3.64% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | FTS | OGE |
|---|---|---|
| 2022 | -13.9% | +7.6% |
| 2023 | +7.0% | -7.5% |
| 2024 | +5.4% | +23.7% |
| 2025 | +28.5% | +7.6% |
| 2026 | +8.3% | +10.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FTS and OGE good diversifiers for each other?
To a limited degree. At 0.70 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between FTS and OGE?
Using weekly returns as of 2026-08-27: 0.70 over 3 years, with 0.85 over the last year and 0.75 over 5 years.
Is OGE a good diversifier for FTS?
To a limited degree. At 0.70 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.70 mean?
On the −1 to +1 scale, 0.70 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/fts-vs-oge.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/fts-vs-oge/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: FTS correlations · OGE correlations
