SFBC vs SONM: Correlation
How closely do Sound Financial Bancorp, Inc. (SFBC) and DNA X, Inc. (SONM) trade together? Their weekly returns over three years give a correlation of -0.26, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SFBC and SONM?
Across a 3-year window, the weekly returns of SFBC and SONM correlate at -0.26, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.36) sits close to the 3-year figure. Stretching to 5 years gives -0.11, with an annualized covariance of -628.2 %².
Out of 15 assets tracked against SFBC, SONM lands near the bottom at #15. The last year tells two different stories: SFBC led by 69.6 percentage points, +0.4% for SFBC against -69.2% for SONM. Risk is not evenly split, since SONM carries 4.8 times the volatility of the other side.
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.
SFBC vs SONM: side by side
| SFBC (Sound Financial Bancorp, Inc.) | SONM (DNA X, Inc.) | |
|---|---|---|
| 1-year return | +0.4% | -69.2% |
| 5-year return | +19.0% | -99.6% |
| Volatility (ann.) | 22.4% | 106.4% |
| Beta vs S&P 500 | 0.17 | 0.06 |
| Max drawdown (3Y) | -24.7% | -98.5% |
| Market cap | $0.1B | – |
| P/E (trailing) | 15.2 | – |
| Dividend yield | 1.69% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | SFBC | SONM |
|---|---|---|
| 2022 | -9.0% | -53.9% |
| 2023 | +1.3% | +72.9% |
| 2024 | +37.4% | -57.1% |
| 2025 | -15.8% | -94.5% |
| 2026 | +10.0% | +3.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SFBC and SONM good diversifiers for each other?
Yes. With a correlation of -0.26, SFBC and SONM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between SFBC and SONM?
Using weekly returns as of 2026-08-27: -0.26 over 3 years, with -0.36 over the last year and -0.11 over 5 years.
Is SONM a good diversifier for SFBC?
Yes. With a correlation of -0.26, SFBC and SONM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.26 mean?
On the −1 to +1 scale, -0.26 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/sfbc-vs-sonm.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/sfbc-vs-sonm/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: SFBC correlations · SONM correlations
