BGM vs SSM: Correlation
How closely do BGM Group Ltd. - Class A (BGM) and Sono Group N.V. (SSM) trade together? Their weekly returns over three years give a correlation of 0.35, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BGM and SSM?
On 3 years of weekly data the BGM/SSM correlation comes out at 0.35, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.00 versus 0.35 over 3 years. The 5-year figure is 0.32, and annualized covariance runs at 42664.6 %².
Few assets follow BGM as closely as SSM, which ranks #3 of 11 tracked partners. The last year tells two different stories: SSM led by 45.9 percentage points, -96.4% for BGM against -50.5% for SSM. Note the risk asymmetry: SSM runs 11.9 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 SSM: side by side
| BGM (BGM Group Ltd. - Class A) | SSM (Sono Group N.V.) | |
|---|---|---|
| 1-year return | -96.4% | -50.5% |
| 5-year return | -98.5% | -99.9% |
| Volatility (ann.) | 101.6% | 1204.8% |
| Beta vs S&P 500 | 0.50 | 0.56 |
| Max drawdown (3Y) | -98.5% | -99.4% |
| 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 | SSM |
|---|---|---|
| 2022 | -72.1% | -89.8% |
| 2023 | +7.5% | -93.9% |
| 2024 | +119.2% | -16.7% |
| 2025 | -56.3% | +86.7% |
| 2026 | -92.1% | -61.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BGM and SSM good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.35 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BGM and SSM?
The BGM/SSM correlation stands at 0.35 on a 3-year window (1 year: 0.00, 5 years: 0.32), computed from weekly returns as of 2026-08-27.
Is SSM a good diversifier for BGM?
Yes, to a useful degree: a correlation of 0.35 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.35 mean?
A reading of 0.35 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
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[](https://www.pairbook.io/pair/bgm-vs-ssm/)
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Related comparisons
Hubs: BGM correlations · SSM correlations
