
    Write a function to identify the highest risk fraud indicator by calculating the maximum product of paired transaction metrics (amount and frequency) across all customer transaction patterns, where each pattern is represented as a tuple of two values and the risk level is determined by the absolute magnitude of their product.
    

    
def max_product_tuple(list1):
    """
    Write a function to identify the highest risk fraud indicator by calculating the maximum product of paired transaction metrics (amount and frequency) across all customer transaction patterns, where each pattern is represented as a tuple of two values and the risk level is determined by the absolute magnitude of their product.
    

    """
def max_product_tuple(list1):
    """
    Write a function to identify the highest risk fraud indicator by calculating the maximum product of paired transaction metrics (amount and frequency) across all customer transaction patterns, where each pattern is represented as a tuple of two values and the risk level is determined by the absolute magnitude of their product.
    

    """
    result_max = max([abs(x * y) for (x, y) in list1])
    return result_max