Free Cumulative Abnormal Return Calculator Online
Determine stock abnormal returns and cumulative event study impact variables for finance evaluations.
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Stock Abnormal Return Event Studies
Evaluate whether a stock outperformed the market index or a specific risk model. This calculator simplifies asset returns analysis for finance students and portfolio managers.
Frequently Asked Questions (FAQ)
What is Abnormal Return?
Abnormal Return is the difference between the actual return of a stock or asset and its expected return (often modeled by the market index or CAPM).
What is the CAR formula?
The formula for Cumulative Abnormal Return is: CAR = Sum of (Actual Return - Expected Return) across the event window periods.
How is this used in finance?
CAR is primarily used in financial event studies to measure the impact of specific events (like earnings reports or acquisitions) on stock prices.
What is CAPM?
CAPM (Capital Asset Pricing Model) is the standard model used to calculate the expected return based on beta and risk-free rates.
Is my investment data saved?
No, all calculations are performed locally in your browser.