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Lesson 3 of 5 · 5 min read

Support & resistance

The floors and ceilings that prices react to.

Floor and ceiling

Support is a price level where the price keeps bouncing back up (buyers step in). Resistance is the opposite: a level where the price keeps stalling (sellers step in).

ResistanceSupport
Support = a floor the price keeps bouncing off. Resistance = a ceiling it keeps hitting.

Why it works

It's partly psychology: many people place orders at 'round' or previously tested levels. The more often a level is tested, the stronger it usually is.

Breaks

If the price breaks through resistance, that old resistance often becomes the new support (a flip). A break on high volume is more convincing than one without.

ConsolidationBreakout ↗
Breakout: after a period of sideways consolidation the price breaks out (often on volume).

Remember this

  • Support = floor (buyers step in), resistance = ceiling (sellers).
  • The more often a level is tested, the stronger it usually is.
  • Broken resistance often becomes the new support (a 'flip').
  • A break on high volume is more convincing than one without.

There is a quiz for this lesson

2 questions that check whether it stuck. They live in the app, because a quiz nobody grades teaches nothing.

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Support & resistance