KEX vs R: Correlation
How closely do Kirby Corporation (KEX) and Ryder System, Inc. (R) trade together? Their weekly returns over three years give a correlation of 0.52, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KEX and R?
On 3 years of weekly data the KEX/R correlation comes out at 0.52, moderate. The past 12 months show a weaker link (0.35) than the 3-year average (0.52). The 5-year figure is 0.47, and annualized covariance runs at 544.7 %².
Among the 10 assets we track against KEX, R ranks #4 by 3-year correlation. On 12-month performance KEX holds a 7.4-point edge, +42.3% against +34.9%.
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.
KEX vs R: side by side
| KEX (Kirby Corporation) | R (Ryder System, Inc.) | |
|---|---|---|
| 1-year return | +42.3% | +34.9% |
| 5-year return | +160.1% | +245.8% |
| Volatility (ann.) | 33.9% | 31.1% |
| Beta vs S&P 500 | 1.08 | 1.09 |
| Max drawdown (3Y) | -38.8% | -23.9% |
| Market cap | $7.4B | $9.5B |
| P/E (trailing) | 21.5 | 20.3 |
| Dividend yield | 0.00% | 1.46% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | KEX | R |
|---|---|---|
| 2022 | +8.3% | +4.4% |
| 2023 | +22.0% | +41.6% |
| 2024 | +34.8% | +39.5% |
| 2025 | +4.1% | +24.5% |
| 2026 | +26.9% | +31.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KEX and R good diversifiers for each other?
Somewhat, no more. With 0.52 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between KEX and R?
The KEX/R correlation stands at 0.52 on a 3-year window (1 year: 0.35, 5 years: 0.47), computed from weekly returns as of 2026-08-27.
Is R a good diversifier for KEX?
Somewhat, no more. With 0.52 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.52 mean?
A reading of 0.52 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/kex-vs-r.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/kex-vs-r/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: KEX correlations · R correlations
