Exact solutions are presented for the mean, variance, and skewness of compound portfolio returns, with and without periodic rebalancing, in a setting where single-period returns are symmetric. More frequent rebalancing reduces portfolio volatility and is unambiguously preferred by mean-variance...

Portfolios formed on a time-varying basis from the principal components of the factors compiled by Chen and Zimmerman (CZ) and Jensen, Kelly, and Pedersen (JKP) display large and robust out-of-sample Sharpe ratios, implying that the factors strongly forecast the cross-section of stock returns....

After conducting the first study of secondary trading in structured credit products, the authors report that the majority of products did not trade even once during the 21-month sample. Execution costs averaged 24 bps when trades occurred and were considerably higher for products with a greater...

The percentage of U.S. equity mutual funds that outperform the SPY ETF over the last 30 years decreases substantially as the horizon over which returns are measured is increased. Further, some funds with positive monthly alpha estimates have negative long-horizon abnormal returns. These results...