📈 SHARPE-O-METER
Drop daily/period returns (one per line, % or decimal). Get Sharpe + sister ratios.
RETURNS (one per line, e.g. 0.012 or 1.2%)
1.2% -0.4% 0.8% 0.3% -1.1% 2.0% 0.5% -0.2% 1.5% 0.1%
RISK-FREE % per period
PERIODS PER YEAR (252=daily, 12=monthly, 52=weekly)
CALCULATE