We document a rapid increase in retail trading in options in the United States. Facilitated by
payment for order flow (PFOF) from wholesalers executing retail orders, retail trading …

Predicting the prices of cryptocurrencies is a notoriously challenging task due to high
volatility and new mechanisms characterising the crypto markets. In this work, we focus on …

Abstract In January 2021, the GameStop stock was the epicenter of the first case of
predatory trading initiated by retail investors. We use brokerage accounts to study who …

We study the stock market effects of the arrival of the three rounds of “stimulus checks” to US
taxpayers and the single round of direct payments to Hong Kong citizens. The first two …

At the end of January 2021, a group of stocks listed on US stock exchanges experienced
sudden price increases, which–coupled with high short interest–led to short-squeeze …

The WallStreetBets (WSB) community on Reddit gained prominence for its role in the
GameStop saga and the resulting meme stock phenomenon. Concurrently, this has boosted …

Reddit's WallStreetBets (WSB) community has come to prominence in light of its notable role
in affecting the stock prices of what are now referred to as meme stocks. Yet very little is …

This article examines the GameStop episode by contextualising the discussion in the
structure-agency interplay to understand the role of social news sites in informing …

Retail Option Traders and the Implied Volatility Surface Page 1 Retail Option Traders and the
Implied Volatility Surface Gregory W. Eaton, T. Clifton Green, Brian S. Roseman, and Yanbin …

We develop a dynamic model of costly stock short-selling and lending market and obtain
implications that simultaneously support many empirical regularities related to short-selling …