VIVO vs XXII: Correlation
Measured on weekly returns over the past three years, VivoPower PLC - Class A (VIVO) and 22nd Century Group, Inc (XXII) carry a correlation of 0.43, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are VIVO and XXII?
Over the past 3 years, VIVO and XXII moved with a correlation of 0.43, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.26 versus 0.43 over 3 years. Over 5 years the correlation is 0.31, and the annualized covariance of weekly returns is 13102.4 %².
Among the 16 assets we track against VIVO, XXII ranks #4 by 3-year correlation. The last year tells two different stories: VIVO led by 75.6 percentage points, -23.8% for VIVO against -99.4% for XXII. One caveat on sizing: VIVO is 2.2 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.
VIVO vs XXII: side by side
| VIVO (VivoPower PLC - Class A) | XXII (22nd Century Group, Inc) | |
|---|---|---|
| 1-year return | -23.8% | -99.4% |
| 5-year return | -92.6% | -100.0% |
| Volatility (ann.) | 256.4% | 119.0% |
| Beta vs S&P 500 | 0.31 | 2.06 |
| Max drawdown (3Y) | -89.9% | -100.0% |
| Market cap | $0.1B | – |
| P/E (trailing) | – | 0.0 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | VIVO | XXII |
|---|---|---|
| 2022 | -91.9% | -70.2% |
| 2023 | -21.5% | -98.7% |
| 2024 | -31.1% | -98.7% |
| 2025 | +70.3% | -99.4% |
| 2026 | +89.0% | -98.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are VIVO and XXII good diversifiers for each other?
Reasonably. At 0.43, VIVO and XXII keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between VIVO and XXII?
The VIVO/XXII correlation stands at 0.43 on a 3-year window (1 year: 0.26, 5 years: 0.31), computed from weekly returns as of 2026-08-27.
Is XXII a good diversifier for VIVO?
Reasonably. At 0.43, VIVO and XXII keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.43 mean?
On the −1 to +1 scale, 0.43 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/vivo-vs-xxii.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/vivo-vs-xxii/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: VIVO correlations · XXII correlations
