Tether Gold (XAUT) is 28211.1× the size of Costco Wholesale (Backpack Securities) (COST) by market capitalisation. Their daily returns move barely together (correlation 0.33 across 31 shared trading days). COST has been the more volatile of the two, at 219% annualised against XAUT's 24%.
$1,049.91
COSTXAUT
0.33over 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 | COST | XAUT |
|---|---|---|
| Max drawdown (400d) | -33.5% | -19.4% |
| Risk-adjusted return (90d) | 0.08 | -0.20 |
Relative strength over 90 days: COST outperformed XAUT by 27.4% — measured on the COST/XAUT ratio, so it holds regardless of market direction.