Using detailed holdings of exchange-traded options, we examine how mutual funds use options and how options affect portfolio performance and risk. Options users underperform nonusers by two to three percent per year. The underperformance is especially pronounced for funds that are heavy users of...

Using detailed options holdings, we examine how mutual funds' use of options affects performance and risk. Using options generates, on average, no performance advantages. In fact, funds that follow certain distinct strategies underperformed. The only salutary impact is lower portfolio risk for a...

This is the first study of corporate-bond mutual fund performance that examines detailed security-level holdings and returns. The new database allows us to decompose the costs and benefits of active management. In contrast to prior research on equity funds that shows evidence of stock-selection...

We study the dispersion of month-end valuations placed on identical corporate bonds by different mutual funds. Such dispersion is related to bond-specific characteristics associated with liquidity and market volatility. TRACE may have contributed to the general decline in dispersion over our...

We document that the speed of information dissemination within mutual fund families positively affects the performance of member funds. This suggests that the resulting benefits of higher information precision far outweigh free-riding costs associated with fast internal dissemination. The...

Given recent regulatory inquiries into the derivative-trading practices of mutual funds, we examine their detailed option holdings to assess how mutual funds employ options, what funds use options, and how that affects performance and risk. Mutual funds' use of options appears consistent with...