Pudgy Penguins (PENGU) is 113675.5× the size of Vanguard Oil Retirement Fund (VORF) by market capitalisation. Their daily returns move barely in opposite directions (correlation -0.22 across 32 shared trading days). VORF has been the more volatile of the two, at 140% annualised against PENGU's 104%.
VORFPENGU
-0.22over 32 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 | VORF | PENGU |
|---|---|---|
| Max drawdown (400d) | -33.3% | -82.4% |
| Risk-adjusted return (90d) | -0.18 | 0.21 |
| Best 30 days (past year) | — | +74.9% |
| Worst 30 days (past year) | — | -55.1% |
Relative strength over 90 days: PENGU outperformed VORF by 3.4% — measured on the VORF/PENGU ratio, so it holds regardless of market direction.