Relative Strength Rating QUANTITATIVE RESEARCH RS Rating: It’s All Relative July 29, 2020 Figure 1: Cumulative monthly log returns for quantile portfolios constructed based on Relative Strength (RS) Rating across our U.S. equity market universe, with Q5 repre- senting stocks with the highest RS Ratings. Results are liquidity-weighted and normalized with respect to intertemporal changes in market volatility. KEY FINDINGS: Timothy Marble Data Scientist • Portfolios of stocks in the top RS Rating quintile have higher returns and
[email protected] lower volatility than those in the lowest quintile. • Long/short portfolios built based on RS Ratings earned statistically Ronald P. Ognar, CFA Quant Analyst significant positive returns.
[email protected] • After adjusting for changes in market volatility over time, effects are consistently robust, though prone to shorter-term cycles. EXECUTIVE SUMMARY In this paper, we demonstrate the effectiveness of William O’Neil + Co.’s Relative Strength (RS) Rating™ in picking stocks expected to outperform (or un- derperform) the market in the future such that they can be used to form market- neutral strategies that extract positive returns while hedged against broader mar- ket exposures. We perform cross-sectional studies using quantile portfolios built based on RS Ratings, finding significant evidence of a momentum effect. We show that quantile-based long/short portfolios built based on RS Rating earned statistically significant positive returns despite remaining ostensibly market neu- tral and demonstrate that, after properly adjusting for changes through time in broader market volatility, such effects are relatively robust over time. oneilglobaladvisors.com •
[email protected] • 310.448.3800 1 Relative Strength Rating INTRODUCTION RELATIVE STRENGTH RATING™ (RS) William O’Neil + Co.’s proprietary Relative Strength Rating measures a stock’s relative price performance over the last 12 months against that of all stocks in our U.S.