The Five Wave Impulse: Rules and Guidelines
A trending move in this framework divides into five waves, three traveling with the trend separated by two moving against it, and three rules decide whether any impulse count is valid or dead. Around those rules sit softer guidelines that steer the counting when the rules themselves are silent. The claim looks modest. What makes it powerful is that the rules are falsifiable: each one names a price that, if traded, ends the count. This block opens wave analysis on the foundation the trend lessons already laid, because a wave count is a swing map with a hypothesis drawn on top of it.
The Shape of Five
Waves 1, 3 and 5 travel with the trend, waves 2 and 4 move against it. The pattern appears on every scale, from multi-year advances to intraday runs, and the counting habit is identical at each size: label the swings, ask which degree you are describing, and accept that a count is a hypothesis about position inside the pattern, never a prediction made in advance. The framework's own practitioners said this plainly: the count does not tell you what will happen, it tells you where you are, which is a different and more honest service.
The shape exists because trending markets do not move in straight lines. Progress comes in pushes and digests through pullbacks, and the five-wave structure is the framework's description of a healthy rhythm: an initial push, a real test, an explosive recognition, a digestion, and a final push that exhausts the remaining fuel. Corrections, covered later in this block, are the market answering back.
The Three Unbreakable Rules
State them exactly, because their exactness is the point. Rule one: wave 2 never retraces the full wave 1, it always holds above the wave 1 start in a bullish count. Rule two: wave 3 is never the shortest of the three impulse waves. Rule three: wave 4 never trades into wave 1 price territory. One violation and the count is dead, with no exceptions and no repairs. A pattern that breaks a rule is not a defective impulse, it is a different animal being misread, and the usual misreader is a correction.
The rules earn their hardness by what they do to disagreement. Two analysts can argue forever about whether a rally is waves three or five of something larger. They cannot argue about whether wave 4 pierced wave 1's high: the price either did or it did not. This is why the framework survives professional skepticism better than most pattern vocabularies. Its claims are checkable, its failures are nameable, and a trader who writes the three rule-prices on the chart before entering has converted a philosophy into a set of stop levels.
Guidelines That Steer the Count
Below the rules sit tendencies, strong enough to steer with and too weak to die on. Wave 3 is usually the longest and carries the heaviest volume, which is why the middle of an advance feels different from its edges. Wave 2 is usually deep, commonly retracing half to six tenths of wave 1, close to the territory the retracement tool calls the fifty percent zone. Wave 4 alternates with wave 2 in depth and shape: a deep, sharp wave 2 tends to produce a shallow, sideways wave 4, and the other way around. Wave 5, when wave 3 has extended, often roughly equals wave 1 in points traveled. None of these is a law. Each is a prior, and priors are exactly what turn a vague chart into a trade with a location.
Alternation deserves a second look because it is the guideline traders use most. Markets that panic down quickly tend to digest sideways afterward, and markets that drift down slowly tend to finish corrections with a sharp flush. The pattern is not mystical, it is crowd behavior wearing a price chart: the fear that produced the first test does not repeat in the same form, it repeats inverted. When your wave 2 was violent, expect boredom in wave 4, and give the sideways chop room to be exactly that.
| Statement | Status | What it means in practice |
|---|---|---|
| Wave 2 never fully retraces wave 1 | Rule | A break of the wave 1 low kills the count |
| Wave 3 is never the shortest impulse | Rule | If 3 is shortest, the label is wrong, recount |
| Wave 4 never enters wave 1 territory | Rule | Overlap means the five is not a five |
| Wave 3 usually longest, heaviest volume | Guideline | Expect the middle to do the work |
| Wave 2 usually deep, half to six tenths | Guideline | Do not buy the first pullback tick |
| Wave 4 alternates with wave 2 | Guideline | Sharp 2 implies sideways 4 |
A Worked Example: Counting a Full Impulse
A hypothetical instrument with invented round numbers, hypothetical throughout. It starts at 100. Wave 1 advances to 120, a gain of 20 points on modest participation, the leg most traders dismiss. Wave 2 pulls back to 108: a 12 point decline, exactly six tenths of wave 1, holding twelve points above the 100 start, so rule one is intact with room to spare. Wave 3 runs to 156, the longest and fastest leg at 48 points, volume visibly the heaviest of the whole sequence. Wave 4 pulls back to 134: a 22 point digestion, about forty six percent of wave 3, stopping eight points above the wave 1 top at 120, so rule three is intact and the alternation guideline is respected, a sharp wave 2 answered by a shallower, slower wave 4. Wave 5 advances to 154, a gain of 20 points, matching wave 1's 20 points almost exactly, the classic equality guideline appearing on schedule after an extended wave 3.
Now audit the finished count against the rules in writing. Wave 2 held above 100. Wave 3, at 48 points, was longer than wave 1's 20 and wave 5's 20, so it was never the shortest. Wave 4's low at 134 never touched wave 1's territory above 120. Three checks, three passes, and the count stands. Each check also named its own kill price in advance: below 100 the count dies by rule one, below 120 it dies by rule three, and there was never a moment in the advance when the trader did not know exactly what being wrong would look like.
The finished count also implies what comes next. Once wave 5 completes at 154, the entire advance from 100 to 154 becomes a single wave at one degree higher, and the framework expects a corrective pattern to follow it. The trader counting at this degree stops looking for longs and starts watching the structure of the decline, which is the subject three lessons from now. The count did not predict the top. It organized the advance so that the top's arrival would be legible.
Written kill-prices are the same habit the trend lessons built: the level decides, the trader only obeys.
Why Rules Beat Predictions
The rules make counting falsifiable, and falsifiability is what turns counting into a discipline instead of an opinion. Each rule names a price that kills the count, so being wrong is cheap, defined, and immediate: no hoping, no averaging into a broken idea, no moving the invalidation after the fact. That is the same discipline the trend lessons taught with the close below the last major higher low, now applied at finer resolution. A wave count with written rule-levels behaves exactly like the earlier index classification with its close below 4,650: a hypothesis, a price that ends it, and a trader who decided in advance what evidence would change their mind.
Prediction works in the opposite direction and fails in a characteristic way. A prediction says the instrument will reach 154; the count says the advance is structured as five, wave 4 must hold above 120, and wave 5 will typically resemble wave 1. The first claim creates attachment, the second creates procedure. When the market invalidates a count, the counter loses a small defined amount and updates the map. When the market disappoints a prediction, the predictor usually re-predicts. Choose the failure mode you can afford.
Impulse Rule Questions
What happens if wave 4 touches wave 1 territory?
The five-wave count is void at that moment, not weakened. Overlap tells you the pattern is corrective, most likely a complex correction rather than an impulse, and the correct response is to stop labeling impulses and start reading the overlap itself as information about depth and hesitation.
Can wave 3 be the shortest?
Never, by rule. If wave 3 turns out shorter than both wave 1 and wave 5, the label is wrong somewhere: usually what was called wave 3 is a wave 1 of smaller degree, or the whole advance is a correction that only looks like an impulse. The rule acts as a recount trigger, which is precisely its job.
Must waves subdivide into fives?
Impulse waves do, in the framework's full form: each wave at one degree contains its own five at the degree below. In practice, data quality and timeframe decide how much subdivision you can actually see, and most traders count one degree cleanly rather than three degrees fuzzily. Count the degree you can trade.
What timeframes work for counting?
Any of them, with one condition: the chart must resolve the swings cleanly, no noise turning every session into three waves. Daily and four-hour charts are the honest middle ground for most traders, and the weekly chart supplies the higher degree context that keeps intraday counts from floating free of the trend that contains them.
The rules and guidelines make the count checkable, but a count in real time is felt, not audited. The next lesson walks through all five waves in sequence, describing the mood and behavior of each while it is happening, which is what turns a map into a live read.