ADI vs CYD: Correlation
How closely do Analog Devices (ADI) and China Yuchai International Limited (CYD) trade together? Their weekly returns over three years give a correlation of 0.39, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ADI and CYD?
Across a 3-year window, the weekly returns of ADI and CYD correlate at 0.39, moderate. The relationship has been stable: the 1-year correlation (0.37) sits close to the 3-year figure. Stretching to 5 years gives 0.36, with an annualized covariance of 821.7 %².
By 3-year correlation, CYD places #40 of the 51 assets tracked against ADI. The last year tells two different stories: ADI led by 22.6 percentage points, +48.6% for ADI against +26.0% for CYD. One caveat on sizing: CYD is 2.0 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.
ADI vs CYD: side by side
| ADI (Analog Devices) | CYD (China Yuchai International Limited) | |
|---|---|---|
| 1-year return | +48.6% | +26.0% |
| 5-year return | +143.1% | +236.2% |
| Volatility (ann.) | 32.6% | 64.2% |
| Beta vs S&P 500 | 1.56 | 1.06 |
| Max drawdown (3Y) | -32.2% | -44.5% |
| Market cap | $181.5B | – |
| P/E (trailing) | 44.6 | 13.8 |
| Dividend yield | 1.15% | 0.00% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | ADI | CYD |
|---|---|---|
| 2022 | -4.9% | -50.3% |
| 2023 | +23.4% | +21.6% |
| 2024 | +8.8% | +17.7% |
| 2025 | +29.8% | +281.2% |
| 2026 | +38.9% | +16.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ADI and CYD good diversifiers for each other?
A fair diversifier. At 0.39, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between ADI and CYD?
The ADI/CYD correlation stands at 0.39 on a 3-year window (1 year: 0.37, 5 years: 0.36), computed from weekly returns as of 2026-08-27.
Is CYD a good diversifier for ADI?
A fair diversifier. At 0.39, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.39 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/adi-vs-cyd.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/adi-vs-cyd/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ADI correlations · CYD correlations
