NSC vs VTV: Correlation
Measured on weekly returns over the past three years, Norfolk Southern (NSC) and Vanguard Value ETF (VTV) carry a correlation of 0.63, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NSC and VTV?
Over the past 3 years, NSC and VTV moved with a correlation of 0.63, which is strong. Lately the two have drifted apart, with the 1-year correlation at 0.39 versus 0.63 over 3 years. Over 5 years the correlation is 0.63, and the annualized covariance of weekly returns is 166.2 %².
Within NSC's tracked universe of 32 assets, VTV comes in at #6 by 3-year correlation. Their 12-month results are close: +30.0% for NSC against +25.7% for VTV. Across three years, the rolling one-year figure varied moderately, from 0.43 to 0.80. Risk is not evenly split, since NSC carries 1.8 times the volatility of the other side.
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 VTV: side by side
| NSC (Norfolk Southern) | VTV (Vanguard Value ETF) | |
|---|---|---|
| 1-year return | +30.0% | +25.7% |
| 5-year return | +49.6% | +79.1% |
| Volatility (ann.) | 22.0% | 11.9% |
| Beta vs S&P 500 | 0.69 | 0.65 |
| Max drawdown (3Y) | -25.1% | -14.5% |
| Market cap | $78.1B | – |
| P/E (trailing) | 30.1 | – |
| Dividend yield | 1.53% | 1.86% |
| Expense ratio | – | 0.03% |
| Assets under management | – | $256.4B |
| Sector / category | Industrials | ETF · US Style |
On the fund side, VTV sits in the Large Value category at Vanguard, with $256.4B under management, 308 holdings, a 0.03% expense ratio, a 1.86% trailing dividend yield.
Year-by-year returns
| Year | NSC | VTV |
|---|---|---|
| 2022 | -15.6% | -2.1% |
| 2023 | -1.6% | +9.3% |
| 2024 | +1.6% | +16.0% |
| 2025 | +25.6% | +15.3% |
| 2026 | +22.0% | +19.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
NSC represents 0.28% of VTV's portfolio, so part of any move in VTV is NSC itself, and the correlation between them is partly mechanical.
Are NSC and VTV good diversifiers for each other?
To a limited degree. At 0.63 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between NSC and VTV?
The NSC/VTV correlation stands at 0.63 on a 3-year window (1 year: 0.39, 5 years: 0.63), computed from weekly returns as of 2026-08-27.
Is VTV a good diversifier for NSC?
To a limited degree. At 0.63 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.63 mean?
On the −1 to +1 scale, 0.63 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/nsc-vs-vtv.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/nsc-vs-vtv/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: NSC correlations · VTV correlations
