FTS vs TMUS: Correlation
Fortis Inc. (FTS) and T-Mobile US (TMUS) show a moderate relationship: their 3-year correlation of weekly returns is 0.37.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FTS and TMUS?
Across a 3-year window, the weekly returns of FTS and TMUS correlate at 0.37, moderate. Little has changed lately, as the 1-year reading of 0.45 lands near the 3-year figure. Stretching to 5 years gives 0.39, with an annualized covariance of 133.6 %².
Within FTS's tracked universe of 14 assets, TMUS comes in at #9 by 3-year correlation. The last year tells two different stories: FTS led by 40.4 percentage points, +12.4% for FTS against -28.0% for TMUS. One caveat on sizing: TMUS is 1.7 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.
FTS vs TMUS: side by side
| FTS (Fortis Inc.) | TMUS (T-Mobile US) | |
|---|---|---|
| 1-year return | +12.4% | -28.0% |
| 5-year return | +43.4% | +34.8% |
| Volatility (ann.) | 14.6% | 24.6% |
| Beta vs S&P 500 | 0.04 | 0.36 |
| Max drawdown (3Y) | -11.6% | -37.1% |
| Market cap | $28.0B | $190.7B |
| P/E (trailing) | 22.5 | 18.8 |
| Dividend yield | 4.58% | 2.27% |
| Sector / category | US Listed | Communication Services |
Year-by-year returns
| Year | FTS | TMUS |
|---|---|---|
| 2022 | -13.9% | +20.7% |
| 2023 | +7.0% | +15.0% |
| 2024 | +5.4% | +39.7% |
| 2025 | +28.5% | -6.6% |
| 2026 | +8.3% | -11.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FTS and TMUS good diversifiers for each other?
A fair diversifier. At 0.37, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between FTS and TMUS?
The FTS/TMUS correlation stands at 0.37 on a 3-year window (1 year: 0.45, 5 years: 0.39), computed from weekly returns as of 2026-08-27.
Is TMUS a good diversifier for FTS?
A fair diversifier. At 0.37, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.37 mean?
On the −1 to +1 scale, 0.37 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-tmus.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/fts-vs-tmus/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: FTS correlations · TMUS correlations
