Tether (USDT) is 15949447.3× the size of ZTX (ZTX) by market capitalisation. Their daily returns move loosely in opposite directions (correlation -0.55 across 42 shared trading days). ZTX has been the more volatile of the two, at 382% annualised against USDT's 1%.
ZTXUSDT
-0.55over 42 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 | ZTX | USDT |
|---|---|---|
| Max drawdown (400d) | -99.8% | -0.2% |
| Risk-adjusted return (90d) | -0.14 | 0.03 |
| Best 30 days (past year) | +172.7% | — |
| Worst 30 days (past year) | -92.9% | — |
Relative strength over 90 days: USDT outperformed ZTX by 85.4% — measured on the ZTX/USDT ratio, so it holds regardless of market direction.