KAI vs VHC: Correlation
How closely do Kadant Inc (KAI) and VirnetX Holding Corp (VHC) trade together? Their weekly returns over three years give a correlation of 0.29, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KAI and VHC?
Across a 3-year window, the weekly returns of KAI and VHC correlate at 0.29, weak. Little has changed lately, as the 1-year reading of 0.38 lands near the 3-year figure. Stretching to 5 years gives 0.23, with an annualized covariance of 1106.9 %².
Among the 14 assets we track against KAI, VHC sits near the bottom by co-movement, at rank #11. Neither side won the trailing year by much: -8.8% against -8.8%. Risk is not evenly split, since VHC carries 2.8 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.
KAI vs VHC: side by side
| KAI (Kadant Inc) | VHC (VirnetX Holding Corp) | |
|---|---|---|
| 1-year return | -8.8% | -8.8% |
| 5-year return | +49.3% | -57.1% |
| Volatility (ann.) | 37.1% | 104.0% |
| Beta vs S&P 500 | 1.34 | 1.09 |
| Max drawdown (3Y) | -41.2% | -60.7% |
| Market cap | $3.6B | $0.1B |
| P/E (trailing) | 32.9 | – |
| Dividend yield | 0.46% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | KAI | VHC |
|---|---|---|
| 2022 | -22.5% | -50.0% |
| 2023 | +58.7% | -21.3% |
| 2024 | +23.6% | +12.1% |
| 2025 | -17.0% | +112.6% |
| 2026 | +7.7% | -25.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KAI and VHC good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.29 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between KAI and VHC?
The KAI/VHC correlation stands at 0.29 on a 3-year window (1 year: 0.38, 5 years: 0.23), computed from weekly returns as of 2026-08-27.
Is VHC a good diversifier for KAI?
Yes, to a useful degree: a correlation of 0.29 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.29 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/kai-vs-vhc.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/kai-vs-vhc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: KAI correlations · VHC correlations
