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Bull flag and bear flag: how to spot a pause in a strong move

Price shoots up, then drifts sideways on small candles, like it's catching its breath. That's a flag. The question is whether the breath ends with another push or a turn.

Beginner guide · 7-minute read · Updated 2026-10-21

What a bull flag looks like

A bull flag has two parts, like a flag on a pole.

1. The pole. A fast, strong move up. Several big candles in a row, mostly green, with small tails.
2. The flag. Price stops rising and drifts gently down or sideways. The candles get smaller. The drift often fits between two roughly parallel lines.
3. The decision. Price either breaks out of the top of the flag and keeps going, or breaks down through the bottom of it.

A bear flag is the same thing flipped. A fast drop (the pole), then a gentle drift up or sideways (the flag), then a decision.

What a flag really is

Look closely and a flag is just a Pullback in a Trend.

In an uptrend, price makes a new high (the top of the pole). Then it pulls back. The low of that pullback is where the next higher low forms. When price breaks out of the flag, the uptrend is making its next higher high.

So a flag isn't a special shape. It's higher highs and higher lows seen up close, during a fast move. See higher highs and higher lows.

That matters, because it tells you what to check: is the bigger trend still pointing the same way as the pole?

What makes a flag "good"

Not every pause is a flag. These are the things traders look for.

• A real pole. A clear, fast move, not a slow grind. If you can't point to where the pole starts, there's no flag.
• A shallow pullback. A common rule of thumb is that the flag gives back less than about half of the pole. If it gives back most of it, the strong move has faded.
• Smaller candles in the flag. The push has paused. Big, wild candles inside the flag mean a fight, not a rest.
• Not too long. A flag is a pause, not a new trend. If the "flag" drifts for longer than the pole took to form, it's turning into something else.

Volume often drops during the flag and picks up on the break. That's a nice extra, not a must. Many forex charts don't show real volume at all.

Flags vs pennants

A pennant is a flag where the two lines squeeze together into a small triangle, instead of running parallel. The idea is the same: a fast move, a pause, a decision.

If the squeeze is big and slow, it's more of a triangle pattern.

Where it matters

• With the bigger trend. A bull flag on a 15-minute chart counts for more when the daily chart is also rising. Check the bigger chart first. See multiple timeframe analysis.
• With room above. A bull flag sitting right under a big weekly Resistance zone has little space to run. Look up before you look in.
• Not on a news spike. A pole made by one huge candle on a data release is a reaction, not a trend. See CPI and FOMC days.

The confirmation: a body close out of the flag

Draw a line along the top of the flag (for a bull flag). Then wait.

The candle has to close first. Mid-candle, a break can look clean and still close back inside. That's a Fakeout. See breakout vs fakeout.

Where a stop would logically go

For a bull flag, the logical stop goes just below the lowest point of the flag. That low is the newest higher low. If price closes below it, the "pause in an uptrend" story is wrong.

For a bear flag, it goes just above the flag's highest point.

Flags often have tight stops, because the flag is small compared to the pole. That's part of why traders like them. A tight stop means a bigger Position size for the same risk, so do the math every time.

A worked example

An illustration, not a real trade.

A stock on a 1-hour chart:

• The pole: price runs from 20.00 to 23.00. A 3.00 move.
• The flag: price drifts down to 22.10, on small candles. It gave back 0.90, under a third of the pole.
• The break: an hourly body closes at 22.80, above the flag's top line.

Account 10,000 units, 1% risk = 100 units.

• Entry 22.80, stop just below the flag low at 22.00. Distance = 0.80.
• Size = 100 ÷ 0.80 = 125 shares.

Many traders use the pole's length as a rough target: 3.00 added to the break gives about 25.80. Treat it as a planning guide, not a forecast. Check your risk-reward ratio before you take it, and let the position size calculator do the sizing. A math example, not a promise. It can still lose.

What failure looks like

Flags fail often. That's why the stop comes first.

• The flag gets too deep. It falls through half the pole and keeps going. The strong move is fading.
• A body closes below the flag low. The newest higher low broke. If it also breaks below where the pole started, the trend may have turned.
• The break snaps back. Price closes above the flag, then the next candles close back inside it.

Common mistakes

• Chasing the pole. Buying the fifth big green candle in a row. That's not a flag yet. Wait for the pause.
• Calling every pullback a flag. If there was no fast move first, there's no pole.
• Buying inside the flag. Guessing the break before it happens.
• Ignoring what's above. A great-looking flag right under a big ceiling.
• Forgetting the size math. A tight stop tempts a huge size. The 1% rule still applies.

Try it today on TradingView

About 15 minutes.

1. Open a 1-hour chart of any busy stock, index or currency pair.
2. Start Bar Replay a few weeks back.
3. Step forward until you see a fast move. Mark where the pole starts and ends.
4. Keep stepping. Measure the pullback. Did it stay under half the pole?
5. Draw the flag's top line. Wait for a body close above it, or below the flag low.
6. Log your entry, stop and result either way.

Our free chart tool marks the turning points, so the flag's low (your stop level) is already on the chart: add it on TradingView.

Questions