Pudgy Penguins (PENGU) is 25376.5× the size of PetroDollar (XPD) by market capitalisation. Their daily returns move barely together (correlation 0.20 across 29 shared trading days). PENGU has been the more volatile of the two, at 104% annualised against XPD's 56%.
XPDPENGU
0.20over 29 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 | XPD | PENGU |
|---|---|---|
| Max drawdown (400d) | -17.6% | -82.4% |
| Risk-adjusted return (90d) | -0.21 | 0.21 |
| Best 30 days (past year) | — | +74.9% |
| Worst 30 days (past year) | — | -55.1% |
Relative strength over 90 days: XPD outperformed PENGU by 14.5% — measured on the XPD/PENGU ratio, so it holds regardless of market direction.