P/E Effect Love Machine 15 years ago P/E EffectEffect where portfolio with stocks showing low P/E ratios display higher returns (after adjusting for risk) than those having high P/E ratio.Random Finance Terms for the Letter PP&LP&SP2PP/EP/E RatioP/E EffectPSAPac-Man StrategyPairoffPaperRecommended for you:P&SPairoffP/E RatioP2P