Elliott Wave TheoryIntermediate

Elliott Wave Rules and Invalidation

The three hard Elliott Wave rules: wave 2 never retraces beyond the start of wave 1, wave 3 is never the shortest, and wave 4 does not overlap wave 1. How to use them as stop levels.

Library categories

What it means

Most of Elliott Wave is guidelines, but three rules are strict for an impulse: wave 2 never retraces more than 100% of wave 1; wave 3 is never the shortest of waves 1, 3 and 5; and wave 4 never enters the price territory of wave 1.

If a rule is broken, the count is wrong and must be changed.

Why traders use it

The rules are the most practical part of the theory because they turn a subjective count into a clear "I am wrong here" level, which is exactly what a stop needs.

Chart examples

A valid impulse and its rule levels

12345Wave 4 must stay aboveWave 2 must stay above
Wave 2 stays above the start of wave 1, and wave 4 stays above the top of wave 1. Both lines are invalidation levels.

Wave 4 overlaps wave 1: count invalid

1234?Top of wave 1Overlap
The fourth leg drops into the price territory of wave 1, so this cannot be a normal impulse; the count must change.Schematic diagrams drawn to explain the idea; they are not market data.

How to identify it objectively

  • 1Rule 1: mark the start of wave 1; wave 2 must stay above it (in an uptrend).
  • 2Rule 2: measure waves 1, 3 and 5; wave 3 must not be the shortest.
  • 3Rule 3: mark the top of wave 1; wave 4 must stay above it.
  • 4Treat each rule level as an invalidation price for the count.

Bullish use

  • 1A long based on a wave 3 count uses the start of wave 1 as the invalidation.
  • 2A long based on a wave 5 count uses the top of wave 1 (rule 3) as the invalidation.

Bearish use

  • 1In a downtrend the same rules apply upside down.
  • 2A break of a rule level is a reason to drop the count, not to "adjust" it to fit.

What confirms it

  • All three rules hold on closing prices.
  • The same count works on the timeframe above.

What invalidates it

  • Any rule broken.
  • A count that is changed repeatedly to avoid a broken rule.

How a hypothetical setup is built

Entry

Long during wave 4 only if price holds above the top of wave 1.

Stop

Below the top of wave 1: if wave 4 overlaps it, the impulse count is invalid.

Target

A new high in wave 5.

A hypothetical illustration of how the concept is turned into a plan, not a recommendation. Practise it on a paper account first.

Historical testing

Not tested on The Tradeskill. The rules are definitions, not signals; they are useful mainly for placing stops.

Limitations: when it fails

  • Diagonal patterns are an accepted exception where wave 4 may overlap wave 1, which weakens rule 3 in practice.
  • Wicks versus closes must be decided in advance.
  • The rules tell you when a count is wrong, not when it is right.

Knowledge check

Pick an answer to see the explanation. Nothing is saved.

Wave 2 retraces below the start of wave 1. What does this mean?

1. Wave 2 retraces below the start of wave 1. What does this mean?

Which wave can never be the shortest of 1, 3 and 5?

2. Which wave can never be the shortest of 1, 3 and 5?

Why are the rules useful for risk?

3. Why are the rules useful for risk?

Practise it risk-free

Open the free chart, use replay to go back in time and look for this concept candle by candle with $20,000 in virtual money.