Artificial intelligence, machine learning, big data, and other buzzwords are disrupting decision making in almost any area of finance. On the back office, machine learning is widely applied to spot anomalies in execution logs, for risk management and fraudulent transaction detection. At the front office, AI is used for customer segmentation and support and pricing the derivatives.
But of course, the most interesting applications of AI in finance are in the buy-side and are related to searching the predictive signal in the noise and catching that alpha.
Can you position yourself to snag better returns simply by owning stocks on Fridays? How about month's end? Or around holidays, when investors might be jubilant headed into a long weekend? The answer, according to a study: maybe 60 years ago, but not anymore.
Equity returns around different days of the week or when the calendar flips are no better than any other times, according to research in the North American Journal of Economics and Finance, which analyzed calendar anomalies for the Dow Jones Industrial Average between 1900 and 2018.