SACEMS Hedge Portfolios

A subscriber asked about performance of Simple Asset Class ETF Momentum Strategy (SACEMS) hedge portfolios, which each month buy the asset class exchange-traded funds (ETF) in the SACEMS universe with the highest past returns and sell (short) those with the lowest. To investigate, we look at three hedge portfolios:

• Top 1 – Bottom 1: long the ETF with the highest past return and short the ETF with the lowest.
• EW Top 2 – EW Bottom 2: long the equal-weighted (EW) two ETFs with the highest past returns and short the two with the lowest.
• EW Top 3 – EW Bottom 3: long the equal-weighted three ETFs with the highest past returns and short the three with the lowest. 

For each portfolio, monthly rebalancing sets the long and short sides to equal dollar amounts. We consider monthly gross portfolio  performance statistics (ignoring any rebalancing and shorting frictions), gross compound annual growth rate (CAGR), maximum drawdown (MaxDD) and gross annual Sharpe ratio. To calculate annual excess returns for the Sharpe ratio, we use average monthly yield on 3-month Treasury bills during a year as the risk-free rate for that year. SACEMS Top 1, EW Top 2 and EW Top 3 SACEMS long-only portfolios serve as benchmarks. Using monthly gross returns for SACEMS ETFs (and cash) by rank during July 2006 through October 2021, we find that:

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