Trading term
What is Symmetrical triangle?
A symmetrical triangle is a consolidation pattern where price coils between a falling line of lower highs and a rising line of higher lows, converging toward a point. It's neutral — a coiled spring that usually breaks in the direction of the prior trend, but doesn't reveal which way until it does.
A symmetrical triangle forms when the range narrows from both sides at once: each rally peaks lower than the last (a falling upper trendline) while each dip bottoms higher than the last (a rising lower trendline). The two lines converge toward an apex, squeezing price into an ever-tighter range. It reflects growing indecision and falling volatility — buyers and sellers both giving ground until one side finally wins.
Unlike the ascending (bullish) or descending (bearish) triangle, the symmetrical version is directionally neutral — the flat side that biases those patterns is absent. It usually resolves as a continuation, breaking out in the direction of the trend that led into it, but a break either way is possible. Traders wait for a decisive close beyond one of the converging lines, ideally on rising volume, and project the triangle's height from the breakout.
Falling lower highs and rising higher lows converge to an apex, coiling price tighter. It's neutral — here it breaks out upward, continuing the prior trend.
For example
After an uptrend, a stock's rallies fade from $54 to $52 to $50.5 while its dips rise from $48 to $49, coiling into a symmetrical triangle. It then breaks out above the upper line, projecting a continuation of roughly the triangle's height.
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Explore Premium →Why it matters to you
A symmetrical triangle is one of the clearest 'a big move is coming' signals — the tightening coil visibly stores energy as volatility contracts. Even without telling you the direction, it flags when to get ready and gives two precise lines whose break defines both the trade and the risk.
⚠ It's neutral — don't front-run it
The trap is guessing the breakout direction and entering early. A symmetrical triangle has no built-in bias, and false breaks are common near the apex. Positioning before the confirmed close beyond a trendline is a coin-flip; the pattern's edge comes from waiting for the actual break, not predicting it.