LSTR vs MRTN: Correlation
Measured on weekly returns over the past three years, Landstar System, Inc. (LSTR) and Marten Transport, Ltd. (MRTN) carry a correlation of 0.79, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LSTR and MRTN?
Over the past 3 years, LSTR and MRTN moved with a correlation of 0.79, which is strong. The relationship has been stable: the 1-year correlation (0.76) sits close to the 3-year figure. Over 5 years the correlation is 0.70, and the annualized covariance of weekly returns is 638.9 %².
In LSTR's tracked universe of 23 assets, MRTN sits right near the top at #1. Correlation aside, the last 12 months split them widely, with LSTR ahead by 16.5 points (+39.9% 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.
LSTR vs MRTN: side by side
| LSTR (Landstar System, Inc.) | MRTN (Marten Transport, Ltd.) | |
|---|---|---|
| 1-year return | +39.9% | +23.4% |
| 5-year return | +17.0% | -1.0% |
| Volatility (ann.) | 28.2% | 28.6% |
| Beta vs S&P 500 | 0.83 | 0.78 |
| Max drawdown (3Y) | -37.5% | -54.8% |
| Market cap | $6.2B | $1.2B |
| P/E (trailing) | 47.0 | 96.4 |
| Dividend yield | 0.88% | 1.66% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | LSTR | MRTN |
|---|---|---|
| 2022 | -7.3% | +16.7% |
| 2023 | +21.2% | +7.3% |
| 2024 | -9.7% | -24.6% |
| 2025 | -14.4% | -25.7% |
| 2026 | +29.2% | +28.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LSTR and MRTN good diversifiers for each other?
Only partially. A correlation of 0.79 means LSTR and MRTN 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 LSTR and MRTN?
Using weekly returns as of 2026-08-27: 0.79 over 3 years, with 0.76 over the last year and 0.70 over 5 years.
Is MRTN a good diversifier for LSTR?
Only partially. A correlation of 0.79 means LSTR and MRTN share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.79 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/lstr-vs-mrtn.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/lstr-vs-mrtn/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: LSTR correlations · MRTN correlations
