BACKPACA (BACKPACA) and Achi (ACH) compared side by side. Their daily returns move loosely together (correlation 0.50 across 27 shared trading days). BACKPACA has been the more volatile of the two, at 139% annualised against ACH's 75%.
BACKPACAACH
0.50over 27 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 | BACKPACA | ACH |
|---|---|---|
| Max drawdown (400d) | -45.6% | -72.3% |
| Risk-adjusted return (90d) | -0.16 | 0.05 |
| Best 30 days (past year) | — | +62.8% |
| Worst 30 days (past year) | — | -41.8% |
Relative strength over 90 days: BACKPACA outperformed ACH by 6.6% — measured on the BACKPACA/ACH ratio, so it holds regardless of market direction.