Free Apps for Event Studies and News Analytics


Thanks to the support of Accenture, all research apps on this website are free. Help us in keeping our service free: Visit our sponsor's career portal and spread the word by citing our research apps in your publication.

Expert Dialogs

Event study methodology

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Test statistics

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API integration

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What is the purpose of this website?

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Which research apps are available on this website?

As for now, EventStudyTools provides research apps for event studies and news analytics. Going forward, we will also facilitate other event-centric research methods, such as event history and optimal matching analyses. Our research apps are used by students and scholars around the world. They enabled various publications - ranging from Bachelor's theses to award-winning articles in highly ranked journals. Let us also help you to publish innovative research.


To get an impression about how you can combine the research apps of this website, please visit our research tracker or Google Scholar. Both hold abstracts of various projects that were supported by our research apps.

How to conduct event studies with

This website's research apps make it simple to conduct event studies: Specify your research parameters, retrieve the data you need for your analysis from a financial data provider (e.g., Yahoo!Finance), bring the data into the right structure, and upload it to the respective research app (see Figure 1). As for event studies, we currently offer three research apps, or "abnormal effect calculators". The one most often used is the abnormal return calculator (ARC). For trading volume event studies, we offer the abnormal volume calculator (AVC), and for volatiltiy event studies, the abnormal volatility calculator (AVyC). All research apps are free-of-charge and perform for you various test statistics. You can upload your analysis data in various input formats, including XLS, XLSX, and CSV - zipped or unzipped. You receive all results by email and/or as a direct download on the website.

Figure 1: Conducting Event Studies with EventStudyTools

task flow of conducting event studies

Which features does our advanced Abnormal Return Calculator (ARC) support?

technical features of

What is news analytics and how to apply it?

The quantitative analysis of news streams is labeled as news analytics. It typically describes the full sequence of steps needed to turn news releases into quantitative metrics and time-series. There is a multitude of news analytics applications: First, the scientific analysis of qualitative dimensions of news that have previously been left unexplored. Second, the comparative analysis of event sequences. And finally, various practical applications, such as news-based trading strategies, that trace actual firm behaviors. The figure beneath sketches the analytical framework that is implemented on this website (see step-by-step tutorial) and has been used in various research publications.

news analytics framework