NOC vs VBIO: Correlation
How closely do Northrop Grumman (NOC) and Valion Bio, Inc. (VBIO) trade together? Their weekly returns over three years give a correlation of -0.24, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NOC and VBIO?
On 3 years of weekly data the NOC/VBIO correlation comes out at -0.24, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.16) sits close to the 3-year figure. The 5-year figure is -0.19, and annualized covariance runs at -957.9 %².
Among the 30 assets we track against NOC, VBIO sits near the bottom by co-movement, at rank #27. The last year tells two different stories: NOC led by 90.4 percentage points, -5.6% for NOC against -96.0% for VBIO. One caveat on sizing: VBIO is 5.5 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
NOC vs VBIO: side by side
| NOC (Northrop Grumman) | VBIO (Valion Bio, Inc.) | |
|---|---|---|
| 1-year return | -5.6% | -96.0% |
| 5-year return | +60.1% | -100.0% |
| Volatility (ann.) | 26.7% | 147.8% |
| Beta vs S&P 500 | 0.24 | 1.27 |
| Max drawdown (3Y) | -35.1% | -99.8% |
| Market cap | $77.4B | – |
| P/E (trailing) | 17.5 | – |
| Dividend yield | 1.71% | 0.00% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | NOC | VBIO |
|---|---|---|
| 2022 | +43.0% | -83.5% |
| 2023 | -12.8% | -97.2% |
| 2024 | +1.9% | -80.8% |
| 2025 | +23.6% | -75.3% |
| 2026 | -3.7% | -91.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NOC and VBIO good diversifiers for each other?
By historical standards, yes. A correlation of -0.24 means the two rarely move for the same reasons.
FAQ
What is the correlation between NOC and VBIO?
As of 2026-08-27, the correlation of weekly returns between NOC and VBIO is -0.24 over 3 years, -0.16 over 1 year and -0.19 over 5 years.
Is VBIO a good diversifier for NOC?
By historical standards, yes. A correlation of -0.24 means the two rarely move for the same reasons.
What does a correlation of -0.24 mean?
On the −1 to +1 scale, -0.24 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.
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Related comparisons
Hubs: NOC correlations · VBIO correlations
