Polkadot (DOT) is 2.1× the size of Cosmos Hub (ATOM) by market capitalisation. Over the past 1 year, ATOM is ahead by 19.7 percentage points (ATOM -43.9% against DOT -63.7%). Their daily returns move closely together (correlation 0.71 across 399 shared trading days). DOT has been the more volatile of the two, at 88% annualised against ATOM's 74%.
ATOMDOT
0.71over 399 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 | ATOM | DOT |
|---|---|---|
| Max drawdown (400d) | -71.6% | -82.9% |
| Risk-adjusted return (90d) | 0.05 | 0.13 |
| Best 30 days (past year) | +38.6% | +55.9% |
| Worst 30 days (past year) | -32.9% | -44.2% |
Relative strength over 90 days: DOT outperformed ATOM by 7.0% — measured on the ATOM/DOT ratio, so it holds regardless of market direction.