CLWT vs FTHM: Correlation
How closely do Euro Tech Holdings Company Limited (CLWT) and Fathom Holdings Inc. (FTHM) trade together? Their weekly returns over three years give a correlation of 0.47, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CLWT and FTHM?
On 3 years of weekly data the CLWT/FTHM correlation comes out at 0.47, moderate. The past 12 months show a tighter link (0.71) than the 3-year average (0.47). The 5-year figure is 0.35, and annualized covariance runs at 3064.5 %².
FTHM is one of the assets that tracks CLWT most closely: it ranks #1 out of the 16 assets we track against CLWT. Their recent paths diverged sharply: over the last 12 months CLWT outperformed by 83.7 percentage points (+22.4% for CLWT against -61.3% for FTHM). Risk is not evenly split, since FTHM carries 2.6 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.
CLWT vs FTHM: side by side
| CLWT (Euro Tech Holdings Company Limited) | FTHM (Fathom Holdings Inc.) | |
|---|---|---|
| 1-year return | +22.4% | -61.3% |
| 5-year return | -52.6% | -97.7% |
| Volatility (ann.) | 49.8% | 130.4% |
| Beta vs S&P 500 | 0.40 | 2.16 |
| Max drawdown (3Y) | -44.3% | -93.5% |
| Market cap | – | – |
| P/E (trailing) | 83.2 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CLWT | FTHM |
|---|---|---|
| 2022 | -53.6% | -79.2% |
| 2023 | +14.7% | -15.5% |
| 2024 | -11.2% | -57.4% |
| 2025 | -13.7% | -34.0% |
| 2026 | +38.7% | -34.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CLWT and FTHM good diversifiers for each other?
A fair diversifier. At 0.47, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between CLWT and FTHM?
Using weekly returns as of 2026-08-27: 0.47 over 3 years, with 0.71 over the last year and 0.35 over 5 years.
Is FTHM a good diversifier for CLWT?
A fair diversifier. At 0.47, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.47 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/clwt-vs-fthm.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/clwt-vs-fthm/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CLWT correlations · FTHM correlations
