NSC vs R: Correlation
How closely do Norfolk Southern (NSC) and Ryder System, Inc. (R) trade together? Their weekly returns over three years give a correlation of 0.55, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NSC and R?
Over the past 3 years, NSC and R moved with a correlation of 0.55, which is moderate. Recent behaviour matches the longer record: 0.55 over 1 year against 0.55 over 3. Over 5 years the correlation is 0.51, and the annualized covariance of weekly returns is 379.8 %².
Within NSC's tracked universe of 32 assets, R comes in at #16 by 3-year correlation. Their 12-month results are close: +30.0% for NSC against +34.9% for R.
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.
NSC vs R: side by side
| NSC (Norfolk Southern) | R (Ryder System, Inc.) | |
|---|---|---|
| 1-year return | +30.0% | +34.9% |
| 5-year return | +49.6% | +245.8% |
| Volatility (ann.) | 22.0% | 31.1% |
| Beta vs S&P 500 | 0.69 | 1.09 |
| Max drawdown (3Y) | -25.1% | -23.9% |
| Market cap | $78.1B | $9.5B |
| P/E (trailing) | 30.1 | 20.3 |
| Dividend yield | 1.53% | 1.46% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | NSC | R |
|---|---|---|
| 2022 | -15.6% | +4.4% |
| 2023 | -1.6% | +41.6% |
| 2024 | +1.6% | +39.5% |
| 2025 | +25.6% | +24.5% |
| 2026 | +22.0% | +31.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NSC and R good diversifiers for each other?
Somewhat, no more. With 0.55 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between NSC and R?
As of 2026-08-27, the correlation of weekly returns between NSC and R is 0.55 over 3 years, 0.55 over 1 year and 0.51 over 5 years.
Is R a good diversifier for NSC?
Somewhat, no more. With 0.55 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.55 mean?
A reading of 0.55 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/nsc-vs-r.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/nsc-vs-r/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: NSC correlations · R correlations
