BMBL vs CYD: Correlation
How closely do Bumble Inc. (BMBL) and China Yuchai International Limited (CYD) trade together? Their weekly returns over three years give a correlation of -0.27, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BMBL and CYD?
On 3 years of weekly data the BMBL/CYD correlation comes out at -0.27, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.03) runs above the 3-year figure (-0.27). The 5-year figure is -0.10, and annualized covariance runs at -1014.0 %².
CYD is close to the least connected end of BMBL's tracked universe, ranking #13 of 13. Correlation aside, the last 12 months split them widely, with CYD ahead by 82.9 points (-56.9% versus +26.0%).
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.
BMBL vs CYD: side by side
| BMBL (Bumble Inc.) | CYD (China Yuchai International Limited) | |
|---|---|---|
| 1-year return | -56.9% | +26.0% |
| 5-year return | -95.1% | +236.2% |
| Volatility (ann.) | 58.7% | 64.2% |
| Beta vs S&P 500 | 1.18 | 1.06 |
| Max drawdown (3Y) | -84.7% | -44.5% |
| Market cap | $0.4B | – |
| P/E (trailing) | – | 13.8 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BMBL | CYD |
|---|---|---|
| 2022 | -37.8% | -50.3% |
| 2023 | -30.0% | +21.6% |
| 2024 | -44.8% | +17.7% |
| 2025 | -56.1% | +281.2% |
| 2026 | -24.1% | +16.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BMBL and CYD good diversifiers for each other?
Yes: at -0.27, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between BMBL and CYD?
Using weekly returns as of 2026-08-27: -0.27 over 3 years, with -0.03 over the last year and -0.10 over 5 years.
Is CYD a good diversifier for BMBL?
Yes: at -0.27, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.27 mean?
On the −1 to +1 scale, -0.27 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/bmbl-vs-cyd.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/bmbl-vs-cyd/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BMBL correlations · CYD correlations
