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Analysis Of Stock Price Movement Following Financial News Article Release, Robert P. Schumaker, Nick Maida
Analysis Of Stock Price Movement Following Financial News Article Release, Robert P. Schumaker, Nick Maida
Communications of the IIMA
What effect does a financial news article have on stock price? To answer this question we investigate stock price movements within the minutes following financial news releases, broken down by media outlet, time of release and article sentiment. Our data shown a Sharpe ratio (a measure for calculating risk-adjusted return) of 1.18 versus a random dataset of ‑0.06, indicating significant price movement immediately following article release. Second, we found that articles released through WSJ, Reuters – UK Focus, NYT and FT all experienced significant positive returns, whereas articles in Barrons, MarketWatch, Forbes and Bloomberg experienced significant negative returns. Third, we …