OpenBB/website/content/platform/reference/quantitative/capm.md

title, description, keywords

title	description	keywords
capm	Learn about the Capital Asset Pricing Model (CAPM), a widely-used finance theory for determining an investment's expected return based on its risk. Understand how CAPM can be used as an investment strategy to evaluate and select securities.	capital asset pricing model CAPM finance investment strategy

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Get Capital Asset Pricing Model (CAPM).

CAPM offers a streamlined way to assess the expected return on an investment while accounting for its risk relative to the market. It's a cornerstone of modern financial theory that helps investors understand the trade-off between risk and return, guiding more informed investment choices.

Examples

from openbb import obb
# Get Capital Asset Pricing Model (CAPM).
stock_data = obb.equity.price.historical(symbol='TSLA', start_date='2023-01-01', provider='fmp').to_df()
obb.quantitative.capm(data=stock_data, target='close')
obb.quantitative.capm(target='close', data=[{'date': '2023-01-02', 'open': 110.0, 'high': 120.0, 'low': 100.0, 'close': 115.0, 'volume': 10000.0}, {'date': '2023-01-03', 'open': 165.0, 'high': 180.0, 'low': 150.0, 'close': 172.5, 'volume': 15000.0}, {'date': '2023-01-04', 'open': 146.67, 'high': 160.0, 'low': 133.33, 'close': 153.33, 'volume': 13333.33}, {'date': '2023-01-05', 'open': 137.5, 'high': 150.0, 'low': 125.0, 'close': 143.75, 'volume': 12500.0}, {'date': '2023-01-06', 'open': 132.0, 'high': 144.0, 'low': 120.0, 'close': 138.0, 'volume': 12000.0}, {'date': '2023-01-07', 'open': 128.33, 'high': 140.0, 'low': 116.67, 'close': 134.17, 'volume': 11666.67}, {'date': '2023-01-08', 'open': 125.71, 'high': 137.14, 'low': 114.29, 'close': 131.43, 'volume': 11428.57}, {'date': '2023-01-09', 'open': 123.75, 'high': 135.0, 'low': 112.5, 'close': 129.38, 'volume': 11250.0}, {'date': '2023-01-10', 'open': 122.22, 'high': 133.33, 'low': 111.11, 'close': 127.78, 'volume': 11111.11}, {'date': '2023-01-11', 'open': 121.0, 'high': 132.0, 'low': 110.0, 'close': 126.5, 'volume': 11000.0}, {'date': '2023-01-12', 'open': 120.0, 'high': 130.91, 'low': 109.09, 'close': 125.45, 'volume': 10909.09}, {'date': '2023-01-13', 'open': 119.17, 'high': 130.0, 'low': 108.33, 'close': 124.58, 'volume': 10833.33}, {'date': '2023-01-14', 'open': 118.46, 'high': 129.23, 'low': 107.69, 'close': 123.85, 'volume': 10769.23}, {'date': '2023-01-15', 'open': 117.86, 'high': 128.57, 'low': 107.14, 'close': 123.21, 'volume': 10714.29}, {'date': '2023-01-16', 'open': 117.33, 'high': 128.0, 'low': 106.67, 'close': 122.67, 'volume': 10666.67}, {'date': '2023-01-17', 'open': 116.88, 'high': 127.5, 'low': 106.25, 'close': 122.19, 'volume': 10625.0}, {'date': '2023-01-18', 'open': 116.47, 'high': 127.06, 'low': 105.88, 'close': 121.76, 'volume': 10588.24}, {'date': '2023-01-19', 'open': 116.11, 'high': 126.67, 'low': 105.56, 'close': 121.39, 'volume': 10555.56}, {'date': '2023-01-20', 'open': 115.79, 'high': 126.32, 'low': 105.26, 'close': 121.05, 'volume': 10526.32}, {'date': '2023-01-21', 'open': 115.5, 'high': 126.0, 'low': 105.0, 'close': 120.75, 'volume': 10500.0}, {'date': '2023-01-22', 'open': 115.24, 'high': 125.71, 'low': 104.76, 'close': 120.48, 'volume': 10476.19}, {'date': '2023-01-23', 'open': 115.0, 'high': 125.45, 'low': 104.55, 'close': 120.23, 'volume': 10454.55}, {'date': '2023-01-24', 'open': 114.78, 'high': 125.22, 'low': 104.35, 'close': 120.0, 'volume': 10434.78}, {'date': '2023-01-25', 'open': 114.58, 'high': 125.0, 'low': 104.17, 'close': 119.79, 'volume': 10416.67}, {'date': '2023-01-26', 'open': 114.4, 'high': 124.8, 'low': 104.0, 'close': 119.6, 'volume': 10400.0}, {'date': '2023-01-27', 'open': 114.23, 'high': 124.62, 'low': 103.85, 'close': 119.42, 'volume': 10384.62}, {'date': '2023-01-28', 'open': 114.07, 'high': 124.44, 'low': 103.7, 'close': 119.26, 'volume': 10370.37}, {'date': '2023-01-29', 'open': 113.93, 'high': 124.29, 'low': 103.57, 'close': 119.11, 'volume': 10357.14}, {'date': '2023-01-30', 'open': 113.79, 'high': 124.14, 'low': 103.45, 'close': 118.97, 'volume': 10344.83}, {'date': '2023-01-31', 'open': 113.67, 'high': 124.0, 'low': 103.33, 'close': 118.83, 'volume': 10333.33}, {'date': '2023-02-01', 'open': 113.55, 'high': 123.87, 'low': 103.23, 'close': 118.71, 'volume': 10322.58}])

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Parameters

Name	Type	Description	Default	Optional
data	List[Data]	Time series data.		False
target	str	Target column name.		False

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Returns

OBBject
    results : CAPMModel
        CAPM model summary.