Mostl V-Reversal patterns (or Reversal Spikes) are formed subsequent to a rapid previous trend:
There are many gaps on the chart, and support and resistance levels are indefinable. The only possible solution is to break through the trend line. It is difficult to find the right moment to enter the market if there is a formation of a spike. The best strategy in this event is to be square (no open positions). This pattern is frequently seen on the charts of GBP/USD:
Trading contest live at the London Investor Show FOREX 24 February 2012
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