This week's sentiment survey by the American Association of Individual Investors saw bullish investor sentiment jump by 12.21 percentage points. The bull/bear spread was reported at +14 versus -6 last week. These weekly measures are volatile and looking at the 8-week moving average smooths out this variability. The 8 week average increased to 39.56% compared to 37.90% last week.
Data Source: American Association of Individual Investors
The bullishness reading is a contrarian indicator and a continued increase in individual investor bullishness would be one signal the market could be approaching at least a short term top.