parent_command:stocks/qa
usage: sh [-r RFR] [-w WINDOW]

Provides the sharpe ratio of the selected stock.

optional arguments:
  -r RFR, --rfr RFR     Risk free return (default: 0)
  -w WINDOW, --window WINDOW
                        Rolling window length (default: 252)


Examples:
- Calculate the Sharpe ratio for <SYMBOL> with default settings: stocks/load <SYMBOL>/qa/sh
- Calculate the Sharpe ratio for <SYMBOL> using a custom risk-free rate: stocks/load <SYMBOL>/qa/sh -r 0.02
- Calculate the Sharpe ratio for <SYMBOL> with a different rolling window length: stocks/load <SYMBOL>/qa/sh -w 180
- Calculate the Sharpe ratio for <SYMBOL> with a custom risk-free rate and a different rolling window length: stocks/load <SYMBOL>/qa/sh -r 0.02 -w 180