Pudgy Penguins (PENGU) is 2175.1× the size of COAL (COAL) by market capitalisation. Their daily returns move barely together (correlation 0.06 across 31 shared trading days). Both have run at a similar volatility, around 106% annualised.
COALPENGU
0.06over 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 | COAL | PENGU |
|---|---|---|
| Max drawdown (400d) | -45.7% | -82.4% |
| Risk-adjusted return (90d) | -0.41 | 0.21 |
| Best 30 days (past year) | — | +74.9% |
| Worst 30 days (past year) | — | -55.1% |
Relative strength over 90 days: PENGU outperformed COAL by 28.4% — measured on the COAL/PENGU ratio, so it holds regardless of market direction.