Ethereum (ETH) is 255311.7× the size of Tidecoin (TDC) by market capitalisation. Their daily returns move barely together (correlation 0.09 across 31 shared trading days). TDC has been the more volatile of the two, at 125% annualised against ETH's 62%.
TDCETH
0.09over 31 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 | TDC | ETH |
|---|---|---|
| Max drawdown (400d) | -26.1% | -66.5% |
| Risk-adjusted return (90d) | 0.23 | 0.36 |
| Best 30 days (past year) | — | +34.1% |
| Worst 30 days (past year) | — | -44.6% |
Relative strength over 90 days: TDC outperformed ETH by 18.5% — measured on the TDC/ETH ratio, so it holds regardless of market direction.