class_docstr: A :class:`pyalgotrade.stratanalyzer.StrategyAnalyzer` that calculates
  max. drawdown and longest drawdown duration for the portfolio.
docstr: Returns the max. (deepest) drawdown.
docstr_tok: ["Returns","the","max",".","(","deepest",")","drawdown","."]
code: def getMaxDrawDown(self):
      """Returns the max. (deepest) drawdown."""
      return abs(self.__maxDD)
  
file_path: pyalgotrade/pyalgotrade/stratanalyzer/drawdown.py
imports: from pyalgotrade import stratanalyzer
  import datetime
label_desc: Use image node_id 4 for calling the DrawDown obj's underlying member method code with example usage: obj.getMaxDrawDown() and returns: abs