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Library term·Chart patterns

Double Top / Double Bottom

Two consecutive peaks (or troughs) at roughly the same price, separated by a moderate retrace. Confirms when the connecting valley/peak breaks.

Authored by·Editorially reviewed
Onur Erkan Yıldız
Founder, Financial Engineer · CMB-licensed

How it forms

The market tests a level twice but fails to push through. Each rejection is a liquidity event: stop-orders above (or below) get hunted, then large players reject. The break of the intervening pivot — the "neckline" of the pattern — confirms the regime change.

Trade plan

  • Entry: close beyond the neckline + optional retest.
  • Stop: above the second peak (double top) or below the second trough (double bottom).
  • Target: measured move equals the height of the pattern projected from the break.

Quality filters


  • Time between the two peaks/troughs should be at least 5–10 bars on the working timeframe.

  • Volume should taper on the second peak/trough and expand on the break.

  • Confluence with a higher-timeframe level (200 EMA, prior swing) doubles the success rate in our backtests.

Why it works


Double tops and bottoms encode the failure of trend-followers to make a new high (or low). Once the second test fails, position holders capitulate, fueling the reversal move.

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Educational content authored by our team — informational only, not investment advice.