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Bull flags, bear flags and pennants

Chart patternsLast updated October 22, 2026
Quick answerA flag is a short pause after a sharp move: a small channel tilted against the move (a flag) or a small triangle (a pennant). The breakout in the direction of the first move is the signal.
The details

The shape

  1. The pole: a fast, strong move up (bull flag) or down (bear flag).
  2. The flag: price drifts in a small channel against that move, on lighter volume. When the pause is a small triangle instead, it is a pennant.
  3. The breakout: a close out of the flag in the direction of the pole.
The poleThe flagBreakout
A bull flag: a pole, then a small drift down
The poleThe pennantBreakout
A pennant: a pole, then a small triangle

Trading it

A flag that drifts back more than about half the pole is losing its strength.
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