qis.get_time_to_maturity¶ qis.get_time_to_maturity(maturity_time, value_time, is_floor_at_zero=True, annualization_factor=365)[source]¶ return annualised difference between mat_date and value_time Parameters: maturity_time (Timestamp) value_time (Timestamp) is_floor_at_zero (bool) annualization_factor (float) Return type: float