Ejemplo n.º 1
0
def max_drawdown(close: Series,
                 method: str = None,
                 all: bool = False) -> float:
    """Maximum Drawdown from close. Default: 'dollar'.

    Args:
        close (pd.Series): Series of 'close's
        method (str): Max DD calculation options: 'dollar', 'percent', 'log'.
            Default: 'dollar'
        all (bool): If True, it returns all three methods as a dict.
            Default: False

    >>> result = ta.max_drawdown(close, method="dollar", all=False)
    """
    close = verify_series(close)
    max_dd = drawdown(close).max()

    max_dd_ = {
        "dollar": max_dd.iloc[0],
        "percent": max_dd.iloc[1],
        "log": max_dd.iloc[2]
    }
    if all: return max_dd_

    if isinstance(method, str) and method in max_dd_.keys():
        return max_dd_[method]
    return max_dd_["dollar"]
Ejemplo n.º 2
0
def max_drawdown(close: Series, method:str = None, all:bool = False) -> float:
    """Maximum Drawdown from close. Defaults to 'dollar'. """
    close = verify_series(close)
    max_dd = drawdown(close).max()

    max_dd_ = {
        "dollar": max_dd.iloc[0],
        "percent": max_dd.iloc[1],
        "log": max_dd.iloc[2]
    }
    if all: return max_dd_

    if isinstance(method, str) and method in max_dd_.keys():
        return max_dd_[method]
    return max_dd_["dollar"]