Three types of gaps: Breakaway, Runaway or Measuring Gap and Exhaustion Gap.
Runaway gap or Measuring Gap:
It can be a gap or series of gap in the middle of a trend (uptrend or downtrend) – We can use this gap to measure the remaining move just doubling the amount already achieved since the start of the trend It moves with moderate volume It is a sign of strength of the market (weakness for a downtrend) Runaway gaps can work as support areas for subsequent market corrections They are generally not filled
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