Rising and Falling Wedges
Two converging lines that both slope the same way. The convergence is the observation; the direction attached to it in the folklore is a separate claim.
MadStockAlerts Research · Updated August 28, 2026
What to take away
- Both boundaries slope in the same direction and converge.
- A rising wedge slopes up with a flattening advance; a falling wedge slopes down.
- The convergence describes narrowing volatility, which resolves in some direction.
- The conventional directional readings are weakly supported by testing.
- Both lines are drawn, so the shape inherits every trendline problem.
MAD Academy Training Video · 0:45
Both Rails Sloping the Same Way
A wedge is the pattern most often confused with a flag, and the difference is that both boundaries tilt together.
This lesson is part of a Stock Alerts + Tools plan.
The construction
| Rising wedge | Falling wedge | |
|---|---|---|
| Upper boundary | Rising, at a shallower slope | Falling, at a steeper slope |
| Lower boundary | Rising, at a steeper slope | Falling, at a shallower slope |
| What that describes | Advances getting shorter while pullbacks hold | Declines getting shallower while rallies fail |
| Conventional reading | Bearish | Bullish |
The third row is the part that can be stated without any forecast. In a rising wedge each advance covers less ground than the last while the lows keep rising, which is a description of an advance losing momentum without giving anything back.
What the shape does and does not support
The convergence is real and observable: the range is narrowing, which means a move out of it starts from a compressed base. That much the drawing establishes.
The directional labels are the part that testing has struggled with. A wedge is two drawn lines around a narrowing range, and the same range produces a rising wedge or a falling one depending on where the analyst started drawing.
This is the same criticism the ascending triangle article makes and it applies with more force here, because both boundaries are drawn rather than one being a horizontal level anyone can see.
Scroll the chart sideways to see all of it.
Where it is confused with a channel
A channel has parallel boundaries; a wedge has converging ones. The distinction matters because a channel describes a stable rate of movement and a wedge describes a changing one.
- In a channel, each swing covers roughly the same ground. In a wedge, each covers less.
- A channel can persist indefinitely. A wedge must resolve, because the boundaries meet.
- The closer to the apex a wedge resolves, the less it says, since something had to happen.
- Both are drawn, and both are sensitive to whether wicks or bodies were used.
Reading it without the label
Stripped of the vocabulary, the useful reading is the same one that applies to every compression: the range is narrowing, so the eventual move starts from a known reference, and the boundaries provide a defined level at which the reading would be wrong.
That is a statement about structure rather than about direction, and it is the part that survives the criticism. Attaching a direction to it requires evidence from somewhere other than the outline.
Volume through the structure
The one input that is not another view of price is available here as it is anywhere, and it is what the shape alone cannot supply.
| Volume behaviour | What it describes |
|---|---|
| Falling steadily through the wedge | Fewer participants transacting as the range narrows. Consistent with exhaustion |
| Rising through the wedge | More participants, in a narrowing range, which is disagreement rather than exhaustion |
| A spike on the resolution | Many people transacted at the break, whichever way it went |
| No change at the resolution | The break occurred on the same participation as the range |
The fourth row is the more informative of the two resolution cases. A break on unchanged volume is a price that moved through a level without anybody's behaviour changing, which is the condition under which failed breaks are most common.
None of this makes the shape predictive. It replaces a claim about the outline with two observations that can be checked: how many people were transacting through the compression, and how many at the point it resolved.