IRON vs VIVO: Correlation
How closely do Disc Medicine, Inc. (IRON) and VivoPower PLC - Class A (VIVO) trade together? Their weekly returns over three years give a correlation of -0.38, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are IRON and VIVO?
On 3 years of weekly data the IRON/VIVO correlation comes out at -0.38, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.23) runs above the 3-year figure (-0.38). The 5-year figure is -0.19, and annualized covariance runs at -5778.7 %².
Among the 15 assets we track against IRON, VIVO sits near the bottom by co-movement, at rank #11. The last year tells two different stories: IRON led by 61.5 percentage points, +37.7% for IRON against -23.8% for VIVO. One caveat on sizing: VIVO is 4.3 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.
IRON vs VIVO: side by side
| IRON (Disc Medicine, Inc.) | VIVO (VivoPower PLC - Class A) | |
|---|---|---|
| 1-year return | +37.7% | -23.8% |
| 5-year return | -32.4% | -92.6% |
| Volatility (ann.) | 59.7% | 256.4% |
| Beta vs S&P 500 | 1.70 | 0.31 |
| Max drawdown (3Y) | -64.8% | -89.9% |
| Market cap | $3.2B | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | IRON | VIVO |
|---|---|---|
| 2022 | -77.2% | -91.9% |
| 2023 | +190.4% | -21.5% |
| 2024 | +9.8% | -31.1% |
| 2025 | +25.3% | +70.3% |
| 2026 | +4.0% | +89.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are IRON and VIVO good diversifiers for each other?
By historical standards, yes. A correlation of -0.38 means the two rarely move for the same reasons.
FAQ
What is the correlation between IRON and VIVO?
Using weekly returns as of 2026-08-27: -0.38 over 3 years, with -0.23 over the last year and -0.19 over 5 years.
Is VIVO a good diversifier for IRON?
By historical standards, yes. A correlation of -0.38 means the two rarely move for the same reasons.
What does a correlation of -0.38 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/iron-vs-vivo.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/iron-vs-vivo/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: IRON correlations · VIVO correlations
