PairBook
HomeSPY › SPY vs WNC

SPY vs WNC: Correlation

Measured on weekly returns over the past three years, SPDR S&P 500 ETF Trust (SPY) and Wabash National Corporation (WNC) carry a correlation of 0.20, a weak link.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.20
weak
Correlation (1Y)
0.09
last 12 months
Correlation (5Y)
0.29
long-run
Ann. covariance
145.9
%² · weekly, annualized

How correlated are SPY and WNC?

Across a 3-year window, the weekly returns of SPY and WNC correlate at 0.20, weak. The link has loosened recently: the 1-year correlation (0.09) runs below the 3-year figure (0.20). Stretching to 5 years gives 0.29, with an annualized covariance of 145.9 %².

By 3-year correlation, WNC places #3300 of the 4755 assets tracked against SPY. Twelve-month performance is nearly a tie, at +20.6% for SPY and +19.0% for WNC. Risk is not evenly split, since WNC carries 3.4 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.

SPY vs WNC: side by side

SPY (SPDR S&P 500 ETF Trust)WNC (Wabash National Corporation)
1-year return+20.6%+19.0%
5-year return+82.4%-6.2%
Volatility (ann.)14.5%49.9%
Beta vs S&P 5001.000.70
Max drawdown (3Y)-18.8%-76.4%
Market cap$0.5B
P/E (trailing)
Dividend yield1.01%2.56%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryETF · US Large CapUS Listed
Higher yield: WNC 2.56% vs 1.01%Smaller drawdown: SPY -18.8% vs -76.4%Higher 5y return: SPY +82.4% vs -6.2%

SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.

-40%0%+23%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). SPY · WNC

Year-by-year returns

YearSPYWNC
2022-18.2%+18.2%
2023+26.2%+14.9%
2024+24.9%-32.2%
2025+17.7%-48.1%
2026+13.7%+56.5%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are SPY and WNC good diversifiers for each other?

Reasonably. At 0.20, SPY and WNC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between SPY and WNC?

Using weekly returns as of 2026-08-27: 0.20 over 3 years, with 0.09 over the last year and 0.29 over 5 years.

Is WNC a good diversifier for SPY?

Reasonably. At 0.20, SPY and WNC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.20 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/spy-vs-wnc.json

SPY vs WNC: 3-year weekly correlation 0.20SPY vs WNC0.20

Markdown for the live badge, attribution link included:

[![SPY vs WNC correlation](https://www.pairbook.io/api/v1/badge/spy-vs-wnc.svg)](https://www.pairbook.io/pair/spy-vs-wnc/)

No key needed, free to use. Full endpoint list in the API documentation.

Related comparisons

Hubs: SPY correlations · WNC correlations