Ethereum (ETH) is 11736258.8× the size of Z500 (Z500) by market capitalisation. Their daily returns move loosely together (correlation 0.36 across 37 shared trading days). Z500 has been the more volatile of the two, at 147% annualised against ETH's 62%.
Z500ETH
0.36over 37 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 | Z500 | ETH |
|---|---|---|
| Max drawdown (400d) | -48.4% | -66.5% |
| Risk-adjusted return (90d) | -0.32 | 0.29 |
| Best 30 days (past year) | — | +34.1% |
| Worst 30 days (past year) | — | -44.6% |
Relative strength over 90 days: ETH outperformed Z500 by 35.9% — measured on the Z500/ETH ratio, so it holds regardless of market direction.