Momentum strategies based on reward-risk stock selection criteria

Svetlozar Rachev, Teo Jašić, Stoyan Stoyanov, Frank J. Fabozzi

Research output: Contribution to journalArticlepeer-review

53 Scopus citations


In this paper, we analyze momentum strategies that are based on reward-risk stock selection criteria in contrast to ordinary momentum strategies based on a cumulative return criterion. Reward-risk stock selection criteria include the standard Sharpe ratio with variance as a risk measure, and alternative reward-risk ratios with the expected shortfall as a risk measure. We investigate momentum strategies using 517 stocks in the S&P 500 universe in the period 1996-2003. Although the cumulative return criterion provides the highest average monthly momentum profits of 1.3% compared to the monthly profit of 0.86% for the best alternative criterion, the alternative ratios provide better risk-adjusted returns measured on an independent risk-adjusted performance measure. We also provide evidence on unique distributional properties of extreme momentum portfolios analyzed within the framework of general non-normal stable Paretian distributions. Specifically, for every stock selection criterion, loser portfolios have the lowest tail index and tail index of winner portfolios is lower than that of middle deciles. The lower tail index is associated with a lower mean strategy. The lowest tail index is obtained for the cumulative return strategy. Given our data-set, these findings indicate that the cumulative return strategy obtains higher profits with the acceptance of higher tail risk, while strategies based on reward-risk criteria obtain better risk-adjusted performance with the acceptance of the lower tail risk.

Original languageEnglish
Pages (from-to)2325-2346
Number of pages22
JournalJournal of Banking and Finance
Issue number8
StatePublished - Aug 2007


  • Expected tail loss
  • Momentum strategies
  • Reward-risk stock selection criteria
  • Risk-adjusted performance
  • Stable Paretian distribution


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