5-8-13 Bollinger Bands and a few well-placed lines build intraday trading profits. Technical themes focus price action on specific ejection points. Locate these in advance with simple trendlines and time of day analysis. Then manage open positions with a sharp focus on price movement through the bands and averages. Notice how the 5 and 8-bar MAs support active trends while pullbacks to the 13-bar signal rangebound conditions.