Cypher Pattern: Symmetry Validation and the 0.786 Rule
The Cypher is the only harmonic with a strict symmetry requirement that C must retrace to 0.786 of XA, and validating that symmetry is what separates profitable Cyphers from mislabelled ones.
Las herramientas interactivas pueden no funcionar en la vista traducida.
Cypher Pattern: Symmetry Validation and the 0.786 Rule
The Cypher looks loose on first read because its ratios sit in wide bands. The discipline is in the symmetry — C must land at exactly 0.786 of XA, and that single rule is what makes the pattern tradeable.
The Cypher's tolerance bands for AB and CD are wider than the Gartley's, making it easy to find Cyphers and easy to fake them. The defining constraint is the symmetry at C: C must retrace to 0.786 of XA. Without that, no other ratio matters.
Structure
- XA: initial impulse
- AB: retraces 0.382–0.618 of XA
- BC: retraces 0.786 of XA exactly (tolerance ±0.005)
- CD: extends 1.272–1.414 of BC
- D completes at 0.786 of XC (not XA)
The two 0.786 references are easy to confuse. C retraces 0.786 of XA. D retraces 0.786 of XC. Both must hold.
Why the C symmetry is non-negotiable
The Cypher's edge comes from C acting as a false breakout of B. Price pushes beyond B to a precise 0.786 of XA, fails to continue, and reverses to D. If C lands at 0.70 or 0.85 of XA, the false-breakout character is lost — the pattern is just a random zigzag with a Fibonacci label. Validation rule: measure XC and confirm C sits at 0.786 within ±0.5% of the leg length. If C is at 0.728 or 0.831, reject the pattern.
The symmetry score
| Check | Rule | Pass |
|---|---|---|
| C symmetry | C = 0.786 of XA ±0.005 | 1 |
| AB shallow | AB = 0.382–0.618 of XA | 1 |
| CD extension | CD = 1.272–1.414 of BC | 1 |
| D completion | D = 0.786 of XC ±0.01 | 1 |
Trade only at score 4. Score 3 Cyphers win roughly 48% in backtests; score 4 Cyphers win roughly 60%.
The trade plan
- Entry: at D, on a reversal bar. The Cypher's D completion is shallower than the Crab's, so confirmation matters more — the pattern can overshoot to 0.886 of XC.
- Stop: 0.25 × ATR beyond X. Because D is inside the XC range, X is the invalidation.
- Target 1: 0.382 of CD. Scale 40%.
- Target 2: 0.618 of CD. Scale 40%.
- Target 3: point C. Scale 20%.
Typical risk-reward at target 2: 1:2.2.
Worked bullish Cypher
X = $50, A = $60 (XA = $10 up). AB retraces 0.382 to $53.82. BC extends to $57.86 (0.786 of XA: 50 + 7.86). Passes the C symmetry check. BC = $4.04. CD = 1.414 × 4.04 = $5.71, so D = 57.86 − 5.71 = $52.15. Check D against 0.786 of XC: XC = 7.86, 0.786 × 7.86 = $6.18, D = 57.86 − 6.18 = $51.68. D = $51.68 vs CD projection $52.15 — mismatch of $0.47. Within ±0.01 of XC? $0.47 / $7.86 = 0.060 — outside tolerance. Reject.
This is the Cypher's reality: most candidates fail one ratio. The pattern is rare precisely because the symmetry is strict. When all four checks pass, the trade is high-quality.
Common mislabelling
The Cypher is frequently confused with the Shark because both extend beyond B. The separator: in the Cypher, C retraces 0.786 of XA (back toward X). In the Shark, C extends beyond A (away from X). If C is beyond A, it is a Shark, not a Cypher — and the trade plan is different.
When to skip even a score-4 Cypher
Skip Cyphers where CD completes on volume below 0.8 × V30. The pattern's edge depends on C being a failed breakout that professionals reject; low volume at D means no one is present to reject the extension. The symmetry gives you the geometry; the volume gives you the participants. You need both.
Live Chart
Open full chart →Related market data, powered by TradingView.