Tether Gold (XAUT) is 4059512.1× the size of US Oil Fund aStock (AUSO) by market capitalisation. Their daily returns move barely in opposite directions (correlation -0.11 across 31 shared trading days). AUSO has been the more volatile of the two, at 33% annualised against XAUT's 24%.
AUSOXAUT
-0.11over 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 | AUSO | XAUT |
|---|---|---|
| Max drawdown (400d) | -4.3% | -19.4% |
| Risk-adjusted return (90d) | 0.35 | -0.20 |
Relative strength over 90 days: AUSO outperformed XAUT by 17.1% — measured on the AUSO/XAUT ratio, so it holds regardless of market direction.