BCHT vs UIS: Correlation
Birchtech Corp. (BCHT) and Unisys Corporation New (UIS) show a moderate relationship: their 3-year correlation of weekly returns is 0.33.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BCHT and UIS?
Over the past 3 years, BCHT and UIS moved with a correlation of 0.33, which is moderate. The relationship has been stable: the 1-year correlation (0.25) sits close to the 3-year figure. Over 5 years the correlation is 0.24, and the annualized covariance of weekly returns is 2142.2 %².
By 3-year correlation, UIS places #4 of the 12 assets tracked against BCHT. Their recent paths diverged sharply: over the last 12 months UIS outperformed by 24.1 percentage points (-54.9% for BCHT against -30.8% for UIS).
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.
BCHT vs UIS: side by side
| BCHT (Birchtech Corp.) | UIS (Unisys Corporation New) | |
|---|---|---|
| 1-year return | -54.9% | -30.8% |
| 5-year return | -67.4% | -88.7% |
| Volatility (ann.) | 80.4% | 80.0% |
| Beta vs S&P 500 | 0.41 | 2.01 |
| Max drawdown (3Y) | -80.2% | -77.6% |
| Market cap | – | $0.2B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BCHT | UIS |
|---|---|---|
| 2022 | -55.9% | -75.2% |
| 2023 | +253.8% | +10.0% |
| 2024 | -44.6% | +12.6% |
| 2025 | +47.1% | -56.4% |
| 2026 | -66.9% | -1.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCHT and UIS good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.33 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BCHT and UIS?
The BCHT/UIS correlation stands at 0.33 on a 3-year window (1 year: 0.25, 5 years: 0.24), computed from weekly returns as of 2026-08-27.
Is UIS a good diversifier for BCHT?
Yes, to a useful degree: a correlation of 0.33 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.33 mean?
A reading of 0.33 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/bcht-vs-uis.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/bcht-vs-uis/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BCHT correlations · UIS correlations
