ISBA vs VHC: Correlation
Isabella Bank Corporation (ISBA) and VirnetX Holding Corp (VHC) show a negative relationship: their 3-year correlation of weekly returns is -0.23.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ISBA and VHC?
Across a 3-year window, the weekly returns of ISBA and VHC correlate at -0.23, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.14 over 1 year against -0.23 over 3. Stretching to 5 years gives -0.15, with an annualized covariance of -798.3 %².
VHC is close to the least connected end of ISBA's tracked universe, ranking #12 of 16. Correlation aside, the last 12 months split them widely, with ISBA ahead by 25.2 points (+16.4% versus -8.8%). Risk is not evenly split, since VHC carries 3.1 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.
ISBA vs VHC: side by side
| ISBA (Isabella Bank Corporation) | VHC (VirnetX Holding Corp) | |
|---|---|---|
| 1-year return | +16.4% | -8.8% |
| 5-year return | +104.9% | -57.1% |
| Volatility (ann.) | 33.3% | 104.0% |
| Beta vs S&P 500 | 0.05 | 1.09 |
| Max drawdown (3Y) | -34.1% | -60.7% |
| Market cap | $0.3B | $0.1B |
| P/E (trailing) | 14.2 | – |
| Dividend yield | 2.91% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ISBA | VHC |
|---|---|---|
| 2022 | -3.5% | -50.0% |
| 2023 | -3.5% | -21.3% |
| 2024 | +27.7% | +12.1% |
| 2025 | +99.1% | +112.6% |
| 2026 | -21.9% | -25.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ISBA and VHC good diversifiers for each other?
By historical standards, yes. A correlation of -0.23 means the two rarely move for the same reasons.
FAQ
What is the correlation between ISBA and VHC?
As of 2026-08-27, the correlation of weekly returns between ISBA and VHC is -0.23 over 3 years, -0.14 over 1 year and -0.15 over 5 years.
Is VHC a good diversifier for ISBA?
By historical standards, yes. A correlation of -0.23 means the two rarely move for the same reasons.
What does a correlation of -0.23 mean?
A reading of -0.23 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/isba-vs-vhc.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/isba-vs-vhc/)
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Related comparisons
Hubs: ISBA correlations · VHC correlations
