Built for real work
Running CAR by day.
CAR Calculator — Cumulative Abnormal Return
Sum daily abnormal returns to cumulative abnormal return (CAR) for event studies. Free finance CAR calculator.
Formula used
CAR = Σ (abnormal return each day)
Examples
Try a sample calculation
3-day event
Sample returns
Fast and focused
Event study helper.
Main features of Cumulative Abnormal Return Calculator:
Enter the required fields—dates, amounts, percentages, or measurements as labeled.
Double-check units (currency, tax rate, height/weight) match your scenario.
Run the calculation and read the breakdown, not just the headline number.
Adjust inputs to compare scenarios, or open a related Rankify calculator for the next step.