FIEE vs MBBC: Correlation
FiEE, Inc (FIEE) and Marathon Bancorp, Inc. (MBBC) show a moderate relationship: their 3-year correlation of weekly returns is 0.37.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FIEE and MBBC?
On 3 years of weekly data the FIEE/MBBC correlation comes out at 0.37, moderate. The link has loosened recently: the 1-year correlation (-0.10) runs below the 3-year figure (0.37). The 5-year figure is 0.31, and annualized covariance runs at 3261.4 %².
Within FIEE's tracked universe of 12 assets, MBBC comes in at #4 by 3-year correlation. Their 12-month results are close: +45.1% for FIEE against +48.3% for MBBC. One caveat on sizing: FIEE is 8.9 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
FIEE vs MBBC: side by side
| FIEE (FiEE, Inc) | MBBC (Marathon Bancorp, Inc.) | |
|---|---|---|
| 1-year return | +45.1% | +48.3% |
| 5-year return | -92.3% | +103.0% |
| Volatility (ann.) | 279.4% | 31.3% |
| Beta vs S&P 500 | 0.29 | -0.07 |
| Max drawdown (3Y) | -98.1% | -28.3% |
| Market cap | – | – |
| P/E (trailing) | 9.0 | 36.7 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | FIEE | MBBC |
|---|---|---|
| 2022 | -84.8% | +4.7% |
| 2023 | -58.5% | -17.0% |
| 2024 | -88.8% | +49.9% |
| 2025 | +1359.1% | +19.2% |
| 2026 | +28.8% | +26.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FIEE and MBBC good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between FIEE and MBBC?
As of 2026-08-27, the correlation of weekly returns between FIEE and MBBC is 0.37 over 3 years, -0.10 over 1 year and 0.31 over 5 years.
Is MBBC a good diversifier for FIEE?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.37 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/fiee-vs-mbbc.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/fiee-vs-mbbc/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: FIEE correlations · MBBC correlations
