Wedges, Falling

4 min read

Core idea

A falling wedge is two converging trendlines, both sloping downward, with the upper line falling faster than the lower line. The pattern looks bearish — every successive high is lower than the last, every successive low is lower than the last — but the breakout direction is usually up.

That counterintuitive resolution is the whole point of the pattern. A falling wedge represents exhausted selling: each new low is shallower than the previous one would predict, the rallies between lows are getting tighter, and the range itself is compressing. When sellers finally run out of supply, price snaps out the top of the wedge.

The pattern can appear after either an uptrend (where it acts as a continuation) or a downtrend (where it acts as a reversal). In both cases the bias is bullish on the upside break.

Why it matters

Most chart patterns reward you for trading with the obvious slope. The falling wedge reverses that intuition. Traders who treat every series of lower highs and lower lows as bearish miss the wedge entirely — they short the breakout, or worse, they short into the bottom of the wedge and get squeezed.

The pattern is also one of the cleanest examples of volatility compression as a signal. The shrinking range and declining volume are exactly the conditions that precede a directional expansion. When the expansion comes, it tends to be sharp and well-defined.

Why the breakout is bullish

The down-sloping trendlines suggest weakness, but the converging shape means each successive sell-off is failing faster than the last. Sellers are being absorbed. By the time the apex approaches, neither side has the conviction to extend the move — and the path of least resistance becomes the side that hasn't been tested recently, which is up.

Key takeaways

Mental model

Mental model

Practical application

Drawing the wedge correctly

Two non-negotiable rules for valid wedge boundaries:

  1. At least three touches per line. A trendline drawn from two points is just a line; three touches define a trendline that the market is actually respecting.
  2. The upper line must be falling faster than the lower line. If they were parallel you'd have a downward channel; if the lower line fell faster you'd have a widening formation (broadening pattern), which behaves entirely differently.

Entry, stop, target

Watch for throwbacks

Throwbacks to the broken upper line happen about 50% of the time within two weeks of the breakout. Bulkowski's data shows throwbacks reduce average performance, but they don't necessarily kill the trade. If you're already long, hold through the throwback as long as the close doesn't drop back below the lower trendline.

Volume divergence is the tell

The healthiest falling wedges show decreasing volume through the formation — proof that selling pressure is genuinely drying up — followed by a volume pop on the breakout bar. A wedge with rising volume through the formation is a different animal and more often resolves down.

Example

A mid-cap industrials stock declines from $60 to $52 over six weeks. Each rally peaks lower than the last ($58, then $56, then $55, then $54), and each pullback bottoms lower than the last ($53, $52.50, $52, $51.80). Drawing a line across the highs and another across the lows produces two clearly converging trendlines, both sloping down — the upper line falling about $1.30 per week, the lower line falling about $0.40 per week.

Volume has fallen from 800k shares/day at the start of the wedge to 350k near the apex. The wedge's widest point (the start) spans $58 to $53 = $5 of height.

In week seven, the stock opens at $52.50, rallies through the upper trendline at $53.20, and closes at $53.80 on 1.1M shares. The breakout has triggered. A trader would:

  1. Enter long on the breakout close at $53.80.
  2. Set a stop below $51.80 (the lowest low inside the wedge), risking $2 per share.
  3. Project the target: $5 height added to the $53.20 breakout = $58.20.
  4. Plan to book half the position at $55.70 (half-target) and trail a stop on the remainder.

The next week the stock throwbacks to $52.90 (touching the broken upper line from above), then resumes higher to $57 over the following month — close enough to the $58.20 target to consider the pattern fully worked out.

Continue exploring

Tags