Concept
Fib Wave Relationships
Fib Wave Relationships are Elliott & Harmonics concepts. The Library holds 4 implementations, each one a working definition you can pull into Quant.
2 = 0.5–0.618 of 1. 3 = 1.618–2.618. 4 = 0.236–0.382. 5 = 0.618–1.0
Top Fib Wave Relationships indicators
4 total
What are Fib Wave Relationships?
Fib wave relationships are the Fibonacci proportions Elliott practitioners use to relate waves to one another: guidelines for how long a wave tends to be relative to the waves before it. Commonly cited ranges for an impulse: wave 2 retraces 0.5 to 0.618 of wave 1, wave 3 extends to 1.618 to 2.618 times wave 1, wave 4 retraces 0.236 to 0.382 (usually measured against wave 3), and wave 5 runs 0.618 to 1.0 times wave 1. In corrections, wave C is commonly projected at equality with wave A or at 1.618 times it. Exact ranges vary by source; these are tendencies drawn from the Elliott literature, not laws.
The relationships convert a wave count from a narrative into measurable, testable prices. Retracement ratios are read with a fib retracement across the prior wave; multiples of a completed wave are projected forward with a three-point fib projection. They also separate cleanly from the Elliott hard rules: a rule violation kills a count outright, while a missed relationship merely makes it less typical. Where several relationships point at the same price, for instance a wave 5 projection landing on a larger-degree retracement, the overlap forms the kind of cluster practitioners treat as a meaningful target zone.
How traders use it
- For price targets: project wave 3 from the end of wave 2 as a multiple of wave 1, wave 5 from the end of wave 4, and the C leg of a corrective wave at equality with wave A; the projections give a count concrete objectives.
- For count selection: when two labelings are both legal under the hard rules, the one whose waves land near common proportions is usually preferred, and unusual proportions everywhere is a hint the count is forced.
- As early warning: relationships degrade before rules break. A wave 2 pushing past 0.786 toward a full retracement has not invalidated anything yet, but it is already outside the typical range, so exposure gets reduced before the hard stop.
- For confluence zones: overlapping projections from different degrees, or a projection meeting a channel line or prior level, mark the areas where practitioners look for fifth waves and C waves to terminate.
Fib Wave Relationships vs related concepts
Elliott Hard Rules: The rules are binary: wave 2 exceeding 100%, a shortest wave 3, or a 1-4 overlap invalidates the count. Fib relationships are soft expectations about typical proportions; missing one costs a count plausibility, not validity.
Harmonic & Fib Ratio Set: The ratio set is the raw vocabulary of levels shared across fib tools and harmonic patterns. Fib wave relationships are one specific application: mapping those ratios onto wave proportions within an Elliott count.
Fib Extension: The extension tool projects ratios beyond a single swing with no wave framework attached. Wave relationships use the same arithmetic but tie each measurement to a labeled wave and its role in the count.
More Fib Wave Relationships implementations
Related concepts · Elliott grammar
Concept family
Elliott & Harmonics
33 concepts mapped · 17 in the Library
Fib Wave Relationships FAQ
What is the most common Fibonacci relationship for wave 3?
The most cited figure is 1.618 times the length of wave 1, projected from the end of wave 2, with 2.618 the usual next reference when wave 3 extends. That is a guideline about typical proportion; the only binding constraint is the rule that wave 3 can never be the shortest of waves 1, 3, and 5.
Are Fibonacci wave relationships rules or guidelines?
Guidelines. Elliott's rules (the wave 2, wave 3, and overlap constraints) are the only count-invalidating conditions. Ratio relationships describe how waves often proportion to each other, and published ranges differ between sources and markets. A count that hits none of the common relationships can still be valid; it is just less typical and usually less trusted.
How do you measure wave relationships on a chart?
Use a retracement drawn across the prior wave for waves 2 and 4, reading the pullback as a fraction of that wave. For waves 3, 5, and C, use a three-point projection: measure the reference wave, then project its multiples (1.0, 1.618, 2.618) from the end of the retracement that precedes the wave being projected. Consistent anchoring on the swing extremes matters more than the tool.
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