USDC (USDC) is 7.4× the size of USDS (USDS) by market capitalisation. Their daily returns move barely together (correlation 0.01 across 211 shared trading days). USDS has been the more volatile of the two, at 1% annualised against USDC's 0%.
USDSUSDC
0.01over 211 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 | USDS | USDC |
|---|---|---|
| Max drawdown (400d) | -0.4% | -0.3% |
| Risk-adjusted return (90d) | 0.07 | 0.18 |
| Best 30 days (past year) | — | +0.2% |
| Worst 30 days (past year) | — | -0.2% |
Relative strength over 90 days: USDS outperformed USDC by 0.0% — measured on the USDS/USDC ratio, so it holds regardless of market direction.