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The Rising Power Of The Individual Investor: How Social Media Sentiments And User Activity Impact Stock Price Volatility And Trading Volume, Nandini Jayaram
The Rising Power Of The Individual Investor: How Social Media Sentiments And User Activity Impact Stock Price Volatility And Trading Volume, Nandini Jayaram
CMC Senior Theses
This paper investigates the relationship between social media sentiments and user activity on the ability of online platforms like Robinhood, Reddit, and Twitter to drive volatility in stock returns and trading volume of shares. The research contributes to the existing literature by studying the potential power of social media communities to influence the stock market parameters. The dataset includes information for several stocks of daily Robinhood users, mentions in r/wallstreetbets, number of Twitter followers, as well as closing price and trading volume data. Using a fixed effects panel data model, the regressions yield statistically significant results that indicate higher WallStreetBets …
Twitter’S Relationship With Overreaction In Individual Security Returns, David Halle
Twitter’S Relationship With Overreaction In Individual Security Returns, David Halle
CMC Senior Theses
Using stock market return data from 2007 to 2019 from The Center for Research in Security Prices, I inquire into the impact that Twitter has on the overreactions of individual stock returns by breaking down returns into pre and post-Twitter periods. I examine negative serial correlation, demonstrating return reversals, between a lag crossed Twitter dummy variable and initial returns. With stock reversals serving as an indicator of initial overreaction and assuming stationarity of overreactions over time, I find that the presence of Twitter results in significantly more overreactions for highly followed companies when using monthly returns. However, when assessing Twitter’s …
A Little Birdy Told Me: Analysis Of The Impact Of Public Tweet Sentiment On Stock Prices, Alexander Novitsky
A Little Birdy Told Me: Analysis Of The Impact Of Public Tweet Sentiment On Stock Prices, Alexander Novitsky
CMC Senior Theses
The combination of the advent of the internet in 1983 with the Securities and Exchange Commission’s ruling allowing firms the use of social media for public disclosures merged to create a wealth of user data that traders could quickly capitalize on to improve their own predictive stock return models. This thesis analyzes some of the impact that this new data may have on stock return models by comparing a model that uses the Index Price and Yesterday’s Stock Return to one that includes those two factors as well as average tweet Polarity and Subjectivity. This analysis is done with ten …