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AIR vs VSEC: Correlation

Measured on weekly returns over the past three years, AAR Corp. (AIR) and VSE Corporation (VSEC) carry a correlation of 0.52, a moderate link.

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

Correlation (3Y)
0.52
moderate
Correlation (1Y)
0.64
last 12 months
Correlation (5Y)
0.52
long-run
Ann. covariance
869.7
%² · weekly, annualized

How correlated are AIR and VSEC?

Across a 3-year window, the weekly returns of AIR and VSEC correlate at 0.52, moderate. The past 12 months show a tighter link (0.64) than the 3-year average (0.52). Stretching to 5 years gives 0.52, with an annualized covariance of 869.7 %².

Within AIR's tracked universe of 10 assets, VSEC comes in at #5 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months AIR outperformed by 45.0 percentage points (+79.2% for AIR against +34.2% for VSEC).

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.

AIR vs VSEC: side by side

AIR (AAR Corp.)VSEC (VSE Corporation)
1-year return+79.2%+34.2%
5-year return+302.1%+365.5%
Volatility (ann.)37.3%44.9%
Beta vs S&P 5001.061.52
Max drawdown (3Y)-35.7%-30.3%
Market cap$5.5B$6.2B
P/E (trailing)28.072.5
Dividend yield0.00%0.18%
Sector / categoryUS ListedUS Listed
Lower P/E: AIR 28.0 vs 72.5Higher yield: VSEC 0.18% vs 0.00%Smaller drawdown: VSEC -30.3% vs -35.7%Higher 5y return: VSEC +365.5% vs +302.1%
-7%0%+93%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. AIR · VSEC

Year-by-year returns

YearAIRVSEC
2022+15.0%-22.4%
2023+39.0%+38.9%
2024-1.8%+47.9%
2025+35.1%+82.3%
2026+64.2%+28.1%

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

Are AIR and VSEC good diversifiers for each other?

Only partially. A correlation of 0.52 means AIR and VSEC 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 AIR and VSEC?

Using weekly returns as of 2026-08-27: 0.52 over 3 years, with 0.64 over the last year and 0.52 over 5 years.

Is VSEC a good diversifier for AIR?

Only partially. A correlation of 0.52 means AIR and VSEC share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.52 mean?

A reading of 0.52 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

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

AIR vs VSEC: 3-year weekly correlation 0.52AIR vs VSEC0.52

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Related comparisons

Hubs: AIR correlations · VSEC correlations