Beta

BETA measures the volatility of a security compared to a market index.

Method

tm.ta.beta(source_high, source_low, timeperiod)

Inputs

Parameter	Argument type	Description	Default Value
source_high	pd.Series	High prices series	-
source_low	pd.Series	Low prices series	-
timeperiod	int	Number of periods for the indicator	5

Outputs

Output	Type
beta	np.ndarray

Example usage

strategy.py

import tradomate as tm

@tm.strategy()
def my_strategy(config: tm.TradomateConfig, data: tm.TradomateData):

    # Trying out Beta
    beta = tm.ta.beta(data.high, data.low, timeperiod=5)

    # Get the last value and print
    last_value = beta.iloc[-1]
    tm.log(f"Last value of Beta is {last_value}")

    # Plot the values of beta
    tm.plot(beta, title="Beta", overlay=False)