Market uncertainty and sentiment around USDA announcements

Anticipating Uncertainty: Straddles Around Earnings Announcements

On average, straddles on individual stocks earn significantly negative returns: daily holding period return is -0.19% and weekly holding period return is -2.09%. In sharp contrast, straddle returns are significantly positive around earnings announcements: average at-the-money straddle returns from one day before earnings announcement to the earnings announcement date yields a highly significant...

Speed, algorithmic trading, and market quality around macroeconomic news announcements

This paper documents that speed is crucially important for high-frequency trading strategies based on U.S. macroeconomic news releases. Using order-level data on the highly liquid S&P 500 ETF traded on NASDAQ from January 6, 2009 to December 12, 2011, we find that a delay of 300 ms or more significantly reduces returns of news-based trading strategies. This reduction is greater for high impact ...

Hedging Effectiveness around USDA Crop Reports

Essays on Investors’ Trading Policy around Interim Earnings Announcements in a Thinly Traded Securities Market

This study consists introductory survey and three essays where investors’ trading responses to interim earnings announcements are studied using Finnish data. The essays are individual papers, but their topics are closely connected since they address the trading response from different angles. The essays progress from an aggregated to a more detailed examination. The first essay was conducted on...

Information asymmetry around operational risk announcements

Operational risk incidences are likely to increase the degree of information asymmetry between firms and investors. We analyze operational risk disclosures by US financial firms during 1995–2009 and their impact on different measures of information asymmetry in the firms’ equity markets. Effective spreads and the price impact of trades are shown to increase around the first announcements of suc...