Are Capital Market Anomalies Common to Equity and Corporate Bond Markets?
Equity market factors like size, profitability, and past returns can predict corporate bond returns,
Taking both long and short positions to exploit relative mispricings.
Equity market factors like size, profitability, and past returns can predict corporate bond returns,
Most stock market gains happen during a four-hour window before European markets open. This paper finds that almost all returns come from this short time period, likely because investors are reacting to overnight news. A simple strategy that trades during this window beats buy-and-hold.
Sharpe ratio up to 7.2. A powerful AI-driven approach to price trends, demonstrating that machine learning can outperform traditional technical indicators.
Adding a seasonality factor to a portfolio of market, size, value, and momentum increases the Sharpe ratio from 1.04 to 1.67.
The study highlights greater returns in markets with high trading frictions, such as non-US developed and emerging markets.
Taking advantage of limited attention in anomaly trading: The average Sharpe ratio documented in the paper is 1.09 (min: 0.62 ROE, max: 4.45 MOM). Top anomalies: MOM (4.45), ROA (2.40), PEAD (1.60), PERF (1.68)—all stronger in low media coverage stocks.
Sharpe Ratio (H-L Portfolio): 4.80