Show notes: http://optionalpha.com/show183Be fearful when others are greedy, and greedy when others are fearful. This classic Buffett quote had echoed though the ranks of investors for decades. But does that data support the methodology? Does investor sentiment, which for many investors is widely considered a contrarian indicator, have enough predictive power to warrant our time and attention? In today's show, we'll explore investor sentiment from all angles and help discover which readings, if any, give predictive power to future stock market returns or trends.