OIO vs VSEC: Correlation
Measured on weekly returns over the past three years, OIO Group (OIO) and VSE Corporation (VSEC) carry a correlation of 0.30, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are OIO and VSEC?
Across a 3-year window, the weekly returns of OIO and VSEC correlate at 0.30, moderate. Recent behaviour matches the longer record: 0.38 over 1 year against 0.30 over 3. Stretching to 5 years gives 0.23, with an annualized covariance of 1344.3 %².
VSEC is one of the assets that tracks OIO most closely: it ranks #1 out of the 13 assets we track against OIO. The last year tells two different stories: VSEC led by 108.3 percentage points, -74.1% for OIO against +34.2% for VSEC. Risk is not evenly split, since OIO carries 2.2 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.
OIO vs VSEC: side by side
| OIO (OIO Group) | VSEC (VSE Corporation) | |
|---|---|---|
| 1-year return | -74.1% | +34.2% |
| 5-year return | -93.0% | +365.5% |
| Volatility (ann.) | 100.9% | 44.9% |
| Beta vs S&P 500 | 0.48 | 1.52 |
| Max drawdown (3Y) | -87.4% | -30.3% |
| Market cap | $0.7B | $6.2B |
| P/E (trailing) | – | 72.5 |
| Dividend yield | 0.00% | 0.18% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | OIO | VSEC |
|---|---|---|
| 2022 | – | -22.4% |
| 2023 | -93.1% | +38.9% |
| 2024 | +91.1% | +47.9% |
| 2025 | +200.8% | +82.3% |
| 2026 | -82.8% | +28.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are OIO and VSEC good diversifiers for each other?
Reasonably. At 0.30, OIO and VSEC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between OIO and VSEC?
The OIO/VSEC correlation stands at 0.30 on a 3-year window (1 year: 0.38, 5 years: 0.23), computed from weekly returns as of 2026-08-27.
Is VSEC a good diversifier for OIO?
Reasonably. At 0.30, OIO and VSEC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.30 mean?
A reading of 0.30 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/oio-vs-vsec.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/oio-vs-vsec/)
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Related comparisons
Hubs: OIO correlations · VSEC correlations
