EXPD vs MRTN: Correlation
Measured on weekly returns over the past three years, Expeditors International (EXPD) and Marten Transport, Ltd. (MRTN) carry a correlation of 0.47, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EXPD and MRTN?
Across a 3-year window, the weekly returns of EXPD and MRTN correlate at 0.47, moderate. Little has changed lately, as the 1-year reading of 0.39 lands near the 3-year figure. Stretching to 5 years gives 0.45, with an annualized covariance of 327.1 %².
By 3-year correlation, MRTN places #8 of the 33 assets tracked against EXPD. Correlation aside, the last 12 months split them widely, with EXPD ahead by 34.1 points (+57.5% versus +23.4%).
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.
EXPD vs MRTN: side by side
| EXPD (Expeditors International) | MRTN (Marten Transport, Ltd.) | |
|---|---|---|
| 1-year return | +57.5% | +23.4% |
| 5-year return | +60.9% | -1.0% |
| Volatility (ann.) | 24.2% | 28.6% |
| Beta vs S&P 500 | 0.65 | 0.78 |
| Max drawdown (3Y) | -21.3% | -54.8% |
| Market cap | $24.8B | $1.2B |
| P/E (trailing) | 27.7 | 96.4 |
| Dividend yield | 0.83% | 1.66% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | EXPD | MRTN |
|---|---|---|
| 2022 | -21.7% | +16.7% |
| 2023 | +23.9% | +7.3% |
| 2024 | -11.9% | -24.6% |
| 2025 | +36.2% | -25.7% |
| 2026 | +28.7% | +28.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EXPD and MRTN good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.47 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between EXPD and MRTN?
Using weekly returns as of 2026-08-27: 0.47 over 3 years, with 0.39 over the last year and 0.45 over 5 years.
Is MRTN a good diversifier for EXPD?
Yes, to a useful degree: a correlation of 0.47 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.47 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/expd-vs-mrtn.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/expd-vs-mrtn/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: EXPD correlations · MRTN correlations
