Ethereum (ETH) is 2108.5× the size of Onyxcoin (XCN) by market capitalisation. Their daily returns move loosely together (correlation 0.58 across 57 shared trading days). XCN has been the more volatile of the two, at 109% annualised against ETH's 62%.
XCNETH
0.58over 57 shared trading days
Measured on daily returns rather than on prices. Two assets that both simply trend upward score near 1.0 on raw prices whether or not they move together, so returns are what answer the question people mean by correlation.
| Metric | XCN | ETH |
|---|---|---|
| Max drawdown (400d) | -31.9% | -66.5% |
| Risk-adjusted return (90d) | 0.20 | 0.36 |
| Best 30 days (past year) | — | +34.1% |
| Worst 30 days (past year) | — | -44.6% |
Relative strength over 90 days: XCN outperformed ETH by 2.3% — measured on the XCN/ETH ratio, so it holds regardless of market direction.