NEPH vs TRON: Correlation
Nephros, Inc. (NEPH) and Tron Inc. (TRON) show a weak relationship: their 3-year correlation of weekly returns is 0.29.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NEPH and TRON?
Over the past 3 years, NEPH and TRON moved with a correlation of 0.29, which is weak. Lately the two have drifted apart, with the 1-year correlation at 0.09 versus 0.29 over 3 years. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is 7890.8 %².
Within NEPH's tracked universe of 16 assets, TRON comes in at #4 by 3-year correlation. The last year tells two different stories: NEPH led by 63.2 percentage points, +6.4% for NEPH against -56.8% for TRON. Note the risk asymmetry: TRON runs 6.1 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.
NEPH vs TRON: side by side
| NEPH (Nephros, Inc.) | TRON (Tron Inc.) | |
|---|---|---|
| 1-year return | +6.4% | -56.8% |
| 5-year return | -48.4% | n/a |
| Volatility (ann.) | 66.5% | 408.5% |
| Beta vs S&P 500 | 0.07 | 0.10 |
| Max drawdown (3Y) | -65.2% | -91.5% |
| Market cap | – | $1.0B |
| P/E (trailing) | 25.4 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | NEPH | TRON |
|---|---|---|
| 2022 | -80.3% | – |
| 2023 | +198.3% | – |
| 2024 | -57.5% | -59.4% |
| 2025 | +232.0% | +97.1% |
| 2026 | -11.7% | +72.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NEPH and TRON good diversifiers for each other?
Reasonably. At 0.29, NEPH and TRON keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between NEPH and TRON?
As of 2026-08-27, the correlation of weekly returns between NEPH and TRON is 0.29 over 3 years, 0.09 over 1 year and n/a over 5 years.
Is TRON a good diversifier for NEPH?
Reasonably. At 0.29, NEPH and TRON keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.29 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/neph-vs-tron.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/neph-vs-tron/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: NEPH correlations · TRON correlations
