Bitcoin (BTC) is 20959014.5× the size of rex.fun (REX) by market capitalisation. Their daily returns move loosely together (correlation 0.39 across 35 shared trading days). REX has been the more volatile of the two, at 238% annualised against BTC's 44%.
REXBTC
0.39over 35 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 | REX | BTC |
|---|---|---|
| Max drawdown (400d) | -55.0% | -53.0% |
| Risk-adjusted return (90d) | 0.02 | 0.63 |
| Best 30 days (past year) | — | +26.8% |
| Worst 30 days (past year) | — | -32.9% |
Relative strength over 90 days: REX outperformed BTC by 10.3% — measured on the REX/BTC ratio, so it holds regardless of market direction.