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
$46.8 · at the close of session 64
Target
39.6$
Invalidation
49.0$
Pattern height
7.2$
Chart span
76 sessions
What it is
A flat, steady floor with highs sloping down toward it. One buyer defends a single price, and the seller accepts less on every attempt.
Lower highsThe seller accepts less on every attempt.
BreakdownA close below support. ⚠ In a broadly rising market, this pattern breaks upward more often than expected: the bigger trend beats the geometry of the smaller one.
Recognition rules
Horizontal support touched at least twice.
A falling resistance line touches a series of lower highs.
Volume shrinks inside the pattern.
Confirmation is a close below the horizontal support.
Measuring the target
The height of the triangle's base is subtracted from the support level.
Where it fools you
In a broadly rising market, this pattern breaks upward more often than expected. The bigger trend beats the geometry of the smaller shape · a rule that applies to all chart patterns.
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.
━ LevelHorizontal support
╱ TrendlineFalling highs
⇕ 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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