I think most quants trade on 1) volatility (ie mis-pricing of the expected distribution of returns) 2) front running large orders 3) rapid news analysis I d

I think most quants trade on 1) volatility (ie mis-pricing of the expected distribution of returns) 2) front running large orders 3) rapid news analysis I don't think there is a successful model for market directional prediction based on previous price action (ie charting).