What it means
A wedge has two converging trendlines that BOTH slope in the same direction. Rising wedge: both trendlines slope up but the upper is shallower than the lower — narrowing range with a bullish-looking slope, but bearish on the break (~67% break lower per Bulkowski). Falling wedge: both trendlines slope down with the lower shallower — narrowing range with a bearish slope, but bullish on the break (~74% break higher). Counter-intuitive but reliable.
Why it matters
Wedges fool retail traders because the slope APPEARS to confirm the prevailing direction. Rising wedges look bullish until they break sharply lower; falling wedges look bearish until they break higher. The pattern works precisely because of this 'looks bullish but breaks bearish' counter-intuitive setup — the misread by the consensus drives the post-break move.
How to use it
Confirm the wedge with 5+ touches across both trendlines. Note the slope alignment: both up = rising wedge (bearish bias), both down = falling wedge (bullish bias). Wait for daily close beyond the appropriate trendline with volume expansion. Stop opposite side of the wedge. Target = widest part of the wedge projected from breakout.
SPX March-April 2022 rally: rising wedge with upper trendline 4500→4631 and lower trendline 4225→4570 over 4 weeks. Slope of upper shallower than lower (narrowing range, both up). Break below lower trendline at 4570 confirmed the bearish wedge; measured target ~4225 hit within 3 weeks; bigger downtrend continued to 3491.
Why rising wedges are bearish and falling wedges bullish
The slope of both trendlines tells you who's losing steam. Rising wedge: upper trendline rises slower than lower — buyers can push prices up only marginally, while sellers ABSORB at progressively higher levels. The structure shows demand exhaustion despite the bullish-looking slope. Falling wedge: lower trendline falls slower than upper — sellers can push prices down only marginally, while buyers absorb. Supply exhaustion despite the bearish slope.
Distinguishing wedges from flags and triangles
(1) Flag: parallel trendlines (no convergence). (2) Triangle: converging trendlines with one horizontal OR both sloping in opposite directions. (3) Wedge: converging trendlines BOTH sloping in the same direction. The 'both same direction' is the wedge signature. If the lines converge but slope opposite ways, it's a symmetrical triangle, not a wedge.
Frequently asked
How is a wedge different from a pennant?
A pennant is a small symmetrical triangle (trendlines converging from opposite directions). A wedge has both trendlines sloping the same direction. Pennants are post-flagpole continuations; wedges form at trend exhaustion points.
Can a wedge break in the slope direction (false signal)?
Yes — about 25-35% of wedges break in the slope direction. The 65-75% counter-trend break rate is the edge, but it's not deterministic. Always wait for confirmation with volume; don't pre-commit based on the wedge shape alone.
What timeframes work best?
Daily wedges have the most reliable statistics (~70%+ counter-trend break rate per Bulkowski). Weekly wedges are rarer but even more reliable (~80%). Intraday wedges (15m, 1h) drop to ~55-60% — much closer to coin-flip.
How long does a wedge typically take to resolve?
Daily wedges: 3-8 weeks to form and break. Weekly wedges: 3-9 months. The 75% apex rule applies — wedges that drift past 80% of the apex without breaking often fizzle into directionless consolidation.
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