parent_command:stocks/qa
usage: rolling [-w N_WINDOW]

Rolling mean and std deviation

optional arguments:
  -w N_WINDOW, --window N_WINDOW
                        Window length (default: 14)


Examples:
- Calculate the rolling mean and standard deviation for the default window length of 14: stocks/qa/rolling
- Analyze the rolling mean and standard deviation for a specific window length of 20: stocks/qa/rolling -w 20
- Compute the rolling mean and standard deviation for a 30-day window: stocks/qa/rolling --window 30