BGM vs RAYA: Correlation
How closely do BGM Group Ltd. - Class A (BGM) and Erayak Power Solution Group Inc. - Class A (RAYA) trade together? Their weekly returns over three years give a correlation of 0.31, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BGM and RAYA?
On 3 years of weekly data the BGM/RAYA correlation comes out at 0.31, moderate. The relationship has been stable: the 1-year correlation (0.21) sits close to the 3-year figure. The 5-year figure is 0.29, and annualized covariance runs at 5039.1 %².
By 3-year correlation, RAYA places #4 of the 11 assets tracked against BGM. Twelve-month performance is nearly a tie, at -96.4% for BGM and -97.8% for RAYA. Note the risk asymmetry: RAYA runs 1.6 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
BGM vs RAYA: side by side
| BGM (BGM Group Ltd. - Class A) | RAYA (Erayak Power Solution Group Inc. - Class A) | |
|---|---|---|
| 1-year return | -96.4% | -97.8% |
| 5-year return | -98.5% | n/a |
| Volatility (ann.) | 101.6% | 162.4% |
| Beta vs S&P 500 | 0.50 | 0.17 |
| Max drawdown (3Y) | -98.5% | -100.0% |
| Market cap | $0.1B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BGM | RAYA |
|---|---|---|
| 2022 | -72.1% | – |
| 2023 | +7.5% | -44.7% |
| 2024 | +119.2% | +23.6% |
| 2025 | -56.3% | -98.7% |
| 2026 | -92.1% | -94.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BGM and RAYA good diversifiers for each other?
Reasonably. At 0.31, BGM and RAYA keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between BGM and RAYA?
Using weekly returns as of 2026-08-27: 0.31 over 3 years, with 0.21 over the last year and 0.29 over 5 years.
Is RAYA a good diversifier for BGM?
Reasonably. At 0.31, BGM and RAYA keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.31 mean?
On the −1 to +1 scale, 0.31 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/bgm-vs-raya.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bgm-vs-raya/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BGM correlations · RAYA correlations