SAIA vs TFII: Correlation
Saia, Inc. (SAIA) and TFI International Inc. (TFII) show a strong relationship: their 3-year correlation of weekly returns is 0.65.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SAIA and TFII?
Across a 3-year window, the weekly returns of SAIA and TFII correlate at 0.65, strong. The past 12 months show a tighter link (0.85) than the 3-year average (0.65). Stretching to 5 years gives 0.63, with an annualized covariance of 1144.2 %².
Among the 12 assets we track against SAIA, TFII ranks #4 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months TFII outperformed by 29.3 percentage points (+16.6% for SAIA against +45.9% for TFII).
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.
SAIA vs TFII: side by side
| SAIA (Saia, Inc.) | TFII (TFI International Inc.) | |
|---|---|---|
| 1-year return | +16.6% | +45.9% |
| 5-year return | +44.1% | +27.7% |
| Volatility (ann.) | 50.1% | 35.1% |
| Beta vs S&P 500 | 1.25 | 1.02 |
| Max drawdown (3Y) | -60.9% | -53.8% |
| Market cap | $9.4B | $11.2B |
| P/E (trailing) | 33.8 | 33.2 |
| Dividend yield | 0.00% | 1.38% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | SAIA | TFII |
|---|---|---|
| 2022 | -37.8% | -9.5% |
| 2023 | +109.0% | +37.3% |
| 2024 | +4.0% | +0.5% |
| 2025 | -28.4% | -22.7% |
| 2026 | +8.1% | +32.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SAIA and TFII good diversifiers for each other?
Only partially. A correlation of 0.65 means SAIA and TFII share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between SAIA and TFII?
The SAIA/TFII correlation stands at 0.65 on a 3-year window (1 year: 0.85, 5 years: 0.63), computed from weekly returns as of 2026-08-27.
Is TFII a good diversifier for SAIA?
Only partially. A correlation of 0.65 means SAIA and TFII share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.65 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/saia-vs-tfii.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/saia-vs-tfii/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: SAIA correlations · TFII correlations
