SIEB vs STEX: Correlation
Siebert Financial Corp. (SIEB) and Streamex Corp. (STEX) 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 SIEB and STEX?
Across a 3-year window, the weekly returns of SIEB and STEX correlate at 0.34, moderate. Little has changed lately, as the 1-year reading of 0.31 lands near the 3-year figure. Stretching to 5 years gives 0.24, with an annualized covariance of 3628.7 %².
STEX is one of the assets that tracks SIEB most closely: it ranks #2 out of the 14 assets we track against SIEB. The last year tells two different stories: SIEB led by 54.1 percentage points, -28.6% for SIEB against -82.7% for STEX. Note the risk asymmetry: STEX runs 3.3 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.
SIEB vs STEX: side by side
| SIEB (Siebert Financial Corp.) | STEX (Streamex Corp.) | |
|---|---|---|
| 1-year return | -28.6% | -82.7% |
| 5-year return | -48.4% | -97.3% |
| Volatility (ann.) | 56.9% | 188.3% |
| Beta vs S&P 500 | 0.90 | 1.71 |
| Max drawdown (3Y) | -70.6% | -96.0% |
| Market cap | $0.1B | $0.2B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | SIEB | STEX |
|---|---|---|
| 2022 | -41.4% | -81.2% |
| 2023 | +23.5% | +13.1% |
| 2024 | +88.1% | -68.6% |
| 2025 | +11.1% | +103.4% |
| 2026 | -43.9% | -72.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SIEB and STEX good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.34 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between SIEB and STEX?
As of 2026-08-27, the correlation of weekly returns between SIEB and STEX is 0.34 over 3 years, 0.31 over 1 year and 0.24 over 5 years.
Is STEX a good diversifier for SIEB?
Yes, to a useful degree: a correlation of 0.34 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.34 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.
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Related comparisons
Hubs: SIEB correlations · STEX correlations