Abstract
The investment performance of an option-based portfolio insurance strategy is compared with a buy-and-hold strategy under the Black and Scholes framework. Under this setup, we can derive the return distributions for the portfolio insurance and buy-and-hold strategies. According to the economic performance measure, which generalizes the Sharpe measure, the portfolio insurance with no transaction costs almost outperforms buy-and-hold in all scenarios studied. Further, if the percent of principal protected is chosen optimally, the portfolio insurance is better than buy-and-hold. Although the portfolio insurance loses some ground for short investment horizons with transaction costs, the portfolio insurance performs relatively well for long investment horizons.
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