MAMO vs SIEB: Correlation
Massimo Group (MAMO) and Siebert Financial Corp. (SIEB) show a moderate relationship: their 3-year correlation of weekly returns is 0.34.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MAMO and SIEB?
Over the past 3 years, MAMO and SIEB moved with a correlation of 0.34, which is moderate. Lately the two have moved closer together, with the 1-year correlation at 0.56 versus 0.34 over 3 years. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is 1771.9 %².
Among the 23 assets we track against MAMO, SIEB ranks #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with SIEB ahead by 37.5 points (-66.1% versus -28.6%). Note the risk asymmetry: MAMO runs 1.5 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.
MAMO vs SIEB: side by side
| MAMO (Massimo Group) | SIEB (Siebert Financial Corp.) | |
|---|---|---|
| 1-year return | -66.1% | -28.6% |
| 5-year return | n/a | -48.4% |
| Volatility (ann.) | 87.3% | 56.9% |
| Beta vs S&P 500 | 0.53 | 0.90 |
| Max drawdown (3Y) | -83.6% | -70.6% |
| Market cap | – | $0.1B |
| P/E (trailing) | 10.0 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MAMO | SIEB |
|---|---|---|
| 2022 | – | -41.4% |
| 2023 | – | +23.5% |
| 2024 | – | +88.1% |
| 2025 | +54.9% | +11.1% |
| 2026 | -74.9% | -43.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MAMO and SIEB good diversifiers for each other?
Reasonably. At 0.34, MAMO and SIEB keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between MAMO and SIEB?
Using weekly returns as of 2026-08-27: 0.34 over 3 years, with 0.56 over the last year and n/a over 5 years.
Is SIEB a good diversifier for MAMO?
Reasonably. At 0.34, MAMO and SIEB keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.34 mean?
A reading of 0.34 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
$ curl https://www.pairbook.io/api/v1/pairs/mamo-vs-sieb.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/mamo-vs-sieb/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: MAMO correlations · SIEB correlations
