TER vs YHGJ: Correlation
How closely do Teradyne (TER) and Yunhong Green CTI Ltd. (YHGJ) trade together? Their weekly returns over three years give a correlation of -0.24, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are TER and YHGJ?
Over the past 3 years, TER and YHGJ moved with a correlation of -0.24, which is negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.23) sits close to the 3-year figure. Over 5 years the correlation is -0.13, and the annualized covariance of weekly returns is -1117.1 %².
By 3-year correlation, YHGJ places #29 of the 34 assets tracked against TER. Their recent paths diverged sharply: over the last 12 months TER outperformed by 263.7 percentage points (+218.8% for TER against -44.9% for YHGJ). Risk is not evenly split, since YHGJ carries 1.7 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.
TER vs YHGJ: side by side
| TER (Teradyne) | YHGJ (Yunhong Green CTI Ltd.) | |
|---|---|---|
| 1-year return | +218.8% | -44.9% |
| 5-year return | +207.9% | -85.6% |
| Volatility (ann.) | 52.5% | 90.5% |
| Beta vs S&P 500 | 1.70 | -0.69 |
| Max drawdown (3Y) | -58.2% | -91.7% |
| Market cap | $58.2B | – |
| P/E (trailing) | 50.0 | – |
| Dividend yield | 0.14% | 0.00% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | TER | YHGJ |
|---|---|---|
| 2022 | -46.3% | -12.6% |
| 2023 | +24.8% | +105.8% |
| 2024 | +16.5% | -74.3% |
| 2025 | +54.4% | -34.0% |
| 2026 | +92.4% | -19.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are TER and YHGJ good diversifiers for each other?
By historical standards, yes. A correlation of -0.24 means the two rarely move for the same reasons.
FAQ
What is the correlation between TER and YHGJ?
The TER/YHGJ correlation stands at -0.24 on a 3-year window (1 year: -0.23, 5 years: -0.13), computed from weekly returns as of 2026-08-27.
Is YHGJ a good diversifier for TER?
By historical standards, yes. A correlation of -0.24 means the two rarely move for the same reasons.
What does a correlation of -0.24 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/ter-vs-yhgj.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ter-vs-yhgj/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: TER correlations · YHGJ correlations
