Catizen (CATI) is 744.5× the size of DoctorX (DRX) by market capitalisation. Their daily returns move barely together (correlation 0.01 across 33 shared trading days). CATI has been the more volatile of the two, at 88% annualised against DRX's 13%.
DRXCATI
0.01over 33 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 | DRX | CATI |
|---|---|---|
| Max drawdown (400d) | -5.5% | -62.8% |
| Risk-adjusted return (90d) | -0.33 | -0.08 |
| Best 30 days (past year) | — | +62.9% |
| Worst 30 days (past year) | — | -44.4% |
Relative strength over 90 days: DRX outperformed CATI by 58.1% — measured on the DRX/CATI ratio, so it holds regardless of market direction.