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Bull Flag vs Bear Flag: How to Identify and Trade Flag Patterns

Flag patterns are widely watched continuation setups. Learn how to spot bull flags and bear flags, measure targets, and avoid common traps.

Published February 22, 2026

Flag patterns are some of the most traded setups in technical analysis because they're relatively easy to identify and have well-defined entry, target, and stop-loss levels. Here's everything you need to know about bull flags and bear flags.

What Is a Flag Pattern?

A flag is a short-term consolidation that occurs after a sharp, strong price move (called the "flagpole"). The consolidation takes the shape of a small rectangle or parallelogram that slopes against the direction of the prior move. Flags are continuation patterns — they suggest the trend will resume after the pause.

Bull Flag

Structure 1. **Flagpole**: A strong, steep move upward on high volume 2. **Flag**: A slight downward or sideways consolidation on decreasing volume 3. **Breakout**: Price breaks above the upper edge of the flag on increasing volume

Identification Tips - The flagpole should be near-vertical — a strong, impulsive move - The flag portion should slope slightly downward or move sideways - Volume should decrease during the flag and increase on the breakout - The flag shouldn't retrace more than 50% of the flagpole (ideally 25-38%)

Measuring the Target Take the length of the flagpole (from the start of the move to the top). Add that distance to the breakout point. That's your measured move target.

Bear Flag

Structure Exactly the opposite — sharp drop (flagpole), slight upward consolidation (flag), then breakdown continuation.

Identification Tips - Strong, impulsive drop on high volume forms the flagpole - The flag drifts slightly upward on decreasing volume - Breakdown below the flag on increasing volume confirms - Flag shouldn't retrace more than 50% of the flagpole

Measuring the Target Take the flagpole length and subtract it from the breakdown point.

Bull Flag vs Bear Flag Key Differences

| Feature | Bull Flag | Bear Flag | |---------|-----------|-----------| | Trend direction | Uptrend | Downtrend | | Flagpole | Sharp move up | Sharp move down | | Flag slope | Slightly down/sideways | Slightly up/sideways | | Breakout direction | Upward | Downward | | Volume on breakout | Increasing | Increasing |

Common Flag Pattern Traps

  • **Weak flagpoles**: If the initial move was gradual rather than impulsive, it's probably not a flag. Flags require a sharp preceding move
  • **Deep retracements**: If the consolidation gives back more than 50% of the flagpole, the pattern is losing its structure
  • **Extended consolidation**: Flags are short-term patterns. If the consolidation drags on for too long, it may evolve into a different pattern
  • **Volume profile mismatch**: A breakout without volume increase is suspicious

Checking Flags with Wyck

Upload a chart screenshot and Wyck names a bull or bear flag if it sees one, outlines it on your chart, and reads the trend and volume around it, with a Wyck Score for how clear the setup is.

*This content is for educational purposes only and does not constitute financial advice. Past patterns do not guarantee future results.*

Tags:

bull flagbear flagflag patternscontinuation patterns

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Disclaimer: This content is for educational purposes only and should not be considered financial advice. All trading involves risk. Always consult a licensed financial professional before making investment decisions.