FEMY vs NEE: Correlation
Femasys Inc. (FEMY) and NextEra Energy (NEE) show a negative relationship: their 3-year correlation of weekly returns is -0.31.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FEMY and NEE?
Across a 3-year window, the weekly returns of FEMY and NEE correlate at -0.31, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (0.19) runs above the 3-year figure (-0.31). Stretching to 5 years gives -0.23, with an annualized covariance of -4195.4 %².
Within FEMY's tracked universe of 32 assets, NEE comes in at #27 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months NEE outperformed by 77.4 percentage points (-61.2% for FEMY against +16.2% for NEE). Note the risk asymmetry: FEMY runs 19.2 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.
FEMY vs NEE: side by side
| FEMY (Femasys Inc.) | NEE (NextEra Energy) | |
|---|---|---|
| 1-year return | -61.2% | +16.2% |
| 5-year return | -98.0% | +12.9% |
| Volatility (ann.) | 509.3% | 26.5% |
| Beta vs S&P 500 | -0.49 | 0.28 |
| Max drawdown (3Y) | -97.2% | -28.8% |
| Market cap | – | $174.1B |
| P/E (trailing) | – | 18.9 |
| Dividend yield | 0.00% | 2.82% |
| Sector / category | US Listed | Utilities |
Year-by-year returns
| Year | FEMY | NEE |
|---|---|---|
| 2022 | -76.9% | -8.5% |
| 2023 | +8.3% | -25.3% |
| 2024 | +12.8% | +21.5% |
| 2025 | -47.6% | +15.5% |
| 2026 | -75.8% | +5.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FEMY and NEE good diversifiers for each other?
Yes: at -0.31, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between FEMY and NEE?
As of 2026-08-27, the correlation of weekly returns between FEMY and NEE is -0.31 over 3 years, 0.19 over 1 year and -0.23 over 5 years.
Is NEE a good diversifier for FEMY?
Yes: at -0.31, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.31 mean?
On the −1 to +1 scale, -0.31 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/femy-vs-nee.json
Embed this badge (it refreshes with the data), with attribution:
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Related comparisons
Hubs: FEMY correlations · NEE correlations
