FEMY vs MUC: Correlation
Measured on weekly returns over the past three years, Femasys Inc. (FEMY) and Blackrock MuniHoldings California Quality Fund, Inc. (MUC) carry a correlation of -0.27, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FEMY and MUC?
Across a 3-year window, the weekly returns of FEMY and MUC correlate at -0.27, negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at 0.01 versus -0.27 over 3 years. Stretching to 5 years gives -0.15, with an annualized covariance of -1527.6 %².
Among the 32 assets we track against FEMY, MUC ranks #24 by 3-year correlation. Correlation aside, the last 12 months split them widely, with MUC ahead by 72.1 points (-61.2% versus +10.9%). Risk is not evenly split, since FEMY carries 46.7 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.
FEMY vs MUC: side by side
| FEMY (Femasys Inc.) | MUC (Blackrock MuniHoldings California Quality Fund, Inc.) | |
|---|---|---|
| 1-year return | -61.2% | +10.9% |
| 5-year return | -98.0% | -13.2% |
| Volatility (ann.) | 509.3% | 10.9% |
| Beta vs S&P 500 | -0.49 | 0.25 |
| Max drawdown (3Y) | -97.2% | -10.7% |
| Market cap | – | $1.0B |
| P/E (trailing) | – | 46.3 |
| Dividend yield | 0.00% | 6.04% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | FEMY | MUC |
|---|---|---|
| 2022 | -76.9% | -26.8% |
| 2023 | +8.3% | +7.9% |
| 2024 | +12.8% | +0.8% |
| 2025 | -47.6% | +6.0% |
| 2026 | -75.8% | +4.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FEMY and MUC good diversifiers for each other?
By historical standards, yes. A correlation of -0.27 means the two rarely move for the same reasons.
FAQ
What is the correlation between FEMY and MUC?
As of 2026-08-27, the correlation of weekly returns between FEMY and MUC is -0.27 over 3 years, 0.01 over 1 year and -0.15 over 5 years.
Is MUC a good diversifier for FEMY?
By historical standards, yes. A correlation of -0.27 means the two rarely move for the same reasons.
What does a correlation of -0.27 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/femy-vs-muc.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/femy-vs-muc/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: FEMY correlations · MUC correlations
