RHI vs VIVK: Correlation
How closely do Robert Half Inc. (RHI) and Vivakor, Inc. (VIVK) trade together? Their weekly returns over three years give a correlation of -0.33, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RHI and VIVK?
Across a 3-year window, the weekly returns of RHI and VIVK correlate at -0.33, negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.46) runs below the 3-year figure (-0.33). Stretching to 5 years gives -0.22, with an annualized covariance of -2044.1 %².
Among the 10 assets we track against RHI, VIVK sits near the bottom by co-movement, at rank #10. Correlation aside, the last 12 months split them widely, with RHI ahead by 132.5 points (+32.5% versus -100.0%). Risk is not evenly split, since VIVK carries 3.6 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.
RHI vs VIVK: side by side
| RHI (Robert Half Inc.) | VIVK (Vivakor, Inc.) | |
|---|---|---|
| 1-year return | +32.5% | -100.0% |
| 5-year return | -47.2% | -100.0% |
| Volatility (ann.) | 41.2% | 148.8% |
| Beta vs S&P 500 | 0.95 | 1.02 |
| Max drawdown (3Y) | -72.2% | -100.0% |
| Market cap | $4.6B | – |
| P/E (trailing) | 38.8 | – |
| Dividend yield | 5.30% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | RHI | VIVK |
|---|---|---|
| 2022 | -32.5% | -86.8% |
| 2023 | +22.1% | +1.8% |
| 2024 | -17.4% | +16.6% |
| 2025 | -59.1% | -99.2% |
| 2026 | +75.9% | -97.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RHI and VIVK good diversifiers for each other?
Yes: at -0.33, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between RHI and VIVK?
The RHI/VIVK correlation stands at -0.33 on a 3-year window (1 year: -0.46, 5 years: -0.22), computed from weekly returns as of 2026-08-27.
Is VIVK a good diversifier for RHI?
Yes: at -0.33, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.33 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
$ curl https://www.pairbook.io/api/v1/pairs/rhi-vs-vivk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/rhi-vs-vivk/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: RHI correlations · VIVK correlations
