Indicators: SuperTrend Indicator - page 2

Andrew Pun Magar #:
If the lag is minimized, this could work very nicely on a trending pair. 
In terms of information theory, latency cannot be eliminated; buy/sell arrows only appear once the price has broken through the highs or lows of a price channel.
In general, such signals look excellent in hindsight (when redrawn), but are completely useless for real-time trading.