NYXH vs RVSN: Correlation
How closely do Nyxoah SA (NYXH) and Rail Vision Ltd. (RVSN) trade together? Their weekly returns over three years give a correlation of 0.63, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NYXH and RVSN?
On 3 years of weekly data the NYXH/RVSN correlation comes out at 0.63, strong. Lately the two have drifted apart, with the 1-year correlation at 0.24 versus 0.63 over 3 years. The 5-year figure is 0.58, and annualized covariance runs at 23270.5 %².
In NYXH's tracked universe of 10 assets, RVSN sits right near the top at #1. Their recent paths diverged sharply: over the last 12 months NYXH outperformed by 24.1 percentage points (-74.6% for NYXH against -98.7% for RVSN). One caveat on sizing: RVSN is 3.8 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.
NYXH vs RVSN: side by side
| NYXH (Nyxoah SA) | RVSN (Rail Vision Ltd.) | |
|---|---|---|
| 1-year return | -74.6% | -98.7% |
| 5-year return | -94.7% | -100.0% |
| Volatility (ann.) | 98.9% | 373.5% |
| Beta vs S&P 500 | 1.24 | 1.92 |
| Max drawdown (3Y) | -93.3% | -100.0% |
| Market cap | $0.2B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | NYXH | RVSN |
|---|---|---|
| 2022 | -78.3% | – |
| 2023 | -7.0% | -83.3% |
| 2024 | +72.4% | +38.5% |
| 2025 | -42.5% | -84.6% |
| 2026 | -65.9% | -98.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NYXH and RVSN good diversifiers for each other?
Only partially. A correlation of 0.63 means NYXH and RVSN share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between NYXH and RVSN?
As of 2026-08-27, the correlation of weekly returns between NYXH and RVSN is 0.63 over 3 years, 0.24 over 1 year and 0.58 over 5 years.
Is RVSN a good diversifier for NYXH?
Only partially. A correlation of 0.63 means NYXH and RVSN share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.63 mean?
On the −1 to +1 scale, 0.63 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/nyxh-vs-rvsn.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/nyxh-vs-rvsn/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: NYXH correlations · RVSN correlations
