A worked example that explains the rule, not a stock price. The circle marks the first close beyond the level. The blue line is the target. The orange line is the invalidation. Prices are in the right-hand column, and sessions sit under the volume bar.Hollow green candles closed above their open, and filled red candles closed below it.
Numbers in the example chart
From the same calculation that draws the shape and writes the "Measuring the target" section below.
Trigger level
$56.8 · at the close of session 38
Target
42.4$
Invalidation
59.2$
Pattern height
14.4$
Chart span
64 sessions
What it is
A sharp drop followed by a narrow bounce sloping up. The bounce is not a recovery. It is a pause while sellers reposition.
FlagA narrow bounce sloping up on shrinking volume · a repositioning, not a recovery.
BreakA close below the flag's lower boundary. ⚠ Enter at the break, not inside the flag: bear-market bounces are violent and shake out early entries.
Recognition rules
A sharp falling pole on heavy volume.
The flag is a narrow channel sloping up.
Volume fades during the bounce.
Confirmation is a break below the flag's lower boundary.
Measuring the target
The pole's length is subtracted from the break point.
Where it fools you
Sharp bounces in falling markets are violent, and a bounce can easily stop out an early seller before the pattern plays out. Enter at the break, not inside the flag.
Open the daily timeframe for any symbol and draw the pattern yourself. Your drawing is saved per symbol in your browser, and the terminal does not name or detect the pattern.
╱ TrendlineFlag
⇕ MeasureTarget equals pattern height
We do not detect chart patterns with a numeric rule: telling them apart takes judgment on the chart. Candlestick patterns with a numeric rule are detected daily by the candlestick pattern scanner.
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