NEPH vs YUMC: Correlation
How closely do Nephros, Inc. (NEPH) and Yum China Holdings, Inc. (YUMC) trade together? Their weekly returns over three years give a correlation of -0.22, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NEPH and YUMC?
On 3 years of weekly data the NEPH/YUMC correlation comes out at -0.22, negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.36) runs below the 3-year figure (-0.22). The 5-year figure is -0.11, and annualized covariance runs at -540.9 %².
Among the 16 assets we track against NEPH, YUMC sits near the bottom by co-movement, at rank #13. Twelve-month performance is nearly a tie, at +6.4% for NEPH and +1.9% for YUMC. Risk is not evenly split, since NEPH carries 1.8 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.
NEPH vs YUMC: side by side
| NEPH (Nephros, Inc.) | YUMC (Yum China Holdings, Inc.) | |
|---|---|---|
| 1-year return | +6.4% | +1.9% |
| 5-year return | -48.4% | -21.2% |
| Volatility (ann.) | 66.5% | 37.2% |
| Beta vs S&P 500 | 0.07 | 0.25 |
| Max drawdown (3Y) | -65.2% | -49.0% |
| Market cap | – | $15.3B |
| P/E (trailing) | 25.4 | 16.5 |
| Dividend yield | 0.00% | 2.26% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | NEPH | YUMC |
|---|---|---|
| 2022 | -80.3% | +10.8% |
| 2023 | +198.3% | -21.6% |
| 2024 | -57.5% | +15.4% |
| 2025 | +232.0% | +0.1% |
| 2026 | -11.7% | -4.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NEPH and YUMC good diversifiers for each other?
By historical standards, yes. A correlation of -0.22 means the two rarely move for the same reasons.
FAQ
What is the correlation between NEPH and YUMC?
Using weekly returns as of 2026-08-27: -0.22 over 3 years, with -0.36 over the last year and -0.11 over 5 years.
Is YUMC a good diversifier for NEPH?
By historical standards, yes. A correlation of -0.22 means the two rarely move for the same reasons.
What does a correlation of -0.22 mean?
A reading of -0.22 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
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[](https://www.pairbook.io/pair/neph-vs-yumc/)
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Related comparisons
Hubs: NEPH correlations · YUMC correlations
