parent_command:etf/ta
usage: fib [-p PERIOD] [--start START] [--end END]

Calculates the fibonacci retracement levels

optional arguments:
  -p PERIOD, --period PERIOD
                        Days to look back for retracement (default: 120)
  --start START         Starting date to select (default: None)
  --end END             Ending date to select (default: None)


Examples:
- To calculate the fibonacci retracement levels for an ETF over the default 120-day period: etf/ta/fib
- To calculate the fibonacci retracement levels for an ETF over a specific period, say 180 days: etf/ta/fib -p 180
- To calculate the fibonacci retracement levels for an ETF between specific dates: etf/ta/fib --start 2022-01-01 --end 2022-06-30
- To calculate the fibonacci retracement levels for an ETF over a 90-day period starting from a specific date: etf/ta/fib -p 90 --start 2022-01-01
- To calculate the fibonacci retracement levels for an ETF over a 60-day period ending on a specific date: etf/ta/fib -p 60 --end 2022-06-30