HTOO vs UPC: Correlation
Measured on weekly returns over the past three years, Fusion Fuel Green PLC (HTOO) and Universe Pharmaceuticals Inc - Class A (UPC) carry a correlation of 0.35, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are HTOO and UPC?
Across a 3-year window, the weekly returns of HTOO and UPC correlate at 0.35, moderate. The past 12 months show a weaker link (0.14) than the 3-year average (0.35). Stretching to 5 years gives 0.28, with an annualized covariance of 8395.8 %².
By 3-year correlation, UPC places #6 of the 11 assets tracked against HTOO. Correlation aside, the last 12 months split them widely, with UPC ahead by 87.2 points (-50.2% versus +37.0%).
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.
HTOO vs UPC: side by side
| HTOO (Fusion Fuel Green PLC) | UPC (Universe Pharmaceuticals Inc - Class A) | |
|---|---|---|
| 1-year return | -50.2% | +37.0% |
| 5-year return | -99.5% | -99.9% |
| Volatility (ann.) | 126.6% | 187.7% |
| Beta vs S&P 500 | 0.90 | 2.00 |
| Max drawdown (3Y) | -97.7% | -99.9% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | HTOO | UPC |
|---|---|---|
| 2022 | -46.5% | -11.3% |
| 2023 | -74.7% | -76.9% |
| 2024 | -49.7% | -98.0% |
| 2025 | -83.1% | -84.4% |
| 2026 | -39.6% | +32.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are HTOO and UPC good diversifiers for each other?
Reasonably. At 0.35, HTOO and UPC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between HTOO and UPC?
The HTOO/UPC correlation stands at 0.35 on a 3-year window (1 year: 0.14, 5 years: 0.28), computed from weekly returns as of 2026-08-27.
Is UPC a good diversifier for HTOO?
Reasonably. At 0.35, HTOO and UPC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.35 mean?
On the −1 to +1 scale, 0.35 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/htoo-vs-upc.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/htoo-vs-upc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: HTOO correlations · UPC correlations
