{"id":30840,"date":"2023-12-12T16:25:12","date_gmt":"2023-12-12T15:25:12","guid":{"rendered":"https:\/\/quantpedia.com\/?p=30840"},"modified":"2025-06-04T13:58:10","modified_gmt":"2025-06-04T11:58:10","slug":"cyber-risk-and-the-cross-section-of-stock-returns","status":"publish","type":"post","link":"https:\/\/vvv.quantpedia.com\/es\/cyber-risk-and-the-cross-section-of-stock-returns\/","title":{"rendered":"Cyber Risk and the Cross-Section of Stock Returns"},"content":{"rendered":"

In today’s fast world, where information flows freely and transactions happen at the speed of light, the significance of cybersecurity cannot be overstated. But it’s no longer just a concern for IT professionals or tech enthusiasts. The specter of well-documented hacks and phishing incidents casts a long shadow over investors, acting as powerful illustrations of how security breaches, vulnerabilities, and cyber threats can reverberate through financial markets. In this blog post, we’ll delve into the intricate relationship between cybersecurity risk and stock performance, uncovering how these digital hazards can influence financial markets.<\/p>\n\n\n\n

Celeny and Mar\u00e9chal (2023)<\/a> paper presents a cyber risk measure implemented by a doc2vec model to estimate firms\u2019 cyber risk based on their 10-K statements and then use this in various asset pricing tests. The results support the view that cyber risk is priced in the cross-section of stock returns. Indeed, a long-short strategy on cyber risk sorted portfolios has an economically significant alpha compared to traditional factor models and an average monthly excess return of 0.56% .Cyber risk captures a variation in average returns by controlling for market beta, firm size, and book-to-market value, and Fama-Macbeth regressions prove cyber risk has a significant premium: cyber risk factor helps to price stocks and is present in the five most likely factor models. Hence, the authors recommend that firms incorporate all available information about cyber risk in their newest 10-K statement. Interactions of cyber risk with the other sources of risks are also investigated by performing double sorts.<\/strong><\/p>\n\n\n\n

We would like to highlight Figure 8<\/strong>, which shows the evolution of the cumulative returns of the market and the five portfolios. You can observe that the higher the cyber risk of the portfolio, the higher the cumulative returns, and Portfolio 5 significantly outperforms the market, even if at the cost of higher risk.<\/strong><\/p>\n\n\n\n

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