OPEN-SOURCE SCRIPT

3 EMAs

420
Title: 3 EMAs in One Indicator

Description:
This indicator plots three Exponential Moving Averages (EMAs) on the same chart using a single script — ideal for TradingView plans with a limited number of indicators per chart.
Each EMA is fully customizable directly from the settings panel:

  • Length — set any period for each EMA independently
  • Color — choose any color for each line
  • Line width — adjust thickness from 1 to 5
  • Show/Hide toggle — enable or disable each EMA without removing the indicator
  • Source — select the price source (close, open, hl2, hlc3, etc.) applied to all three EMAs



Default values are set to 9 / 21 / 50, a commonly used combination for trend and momentum analysis, but all parameters are freely adjustable to fit any trading style or timeframe.

Use case: Replace three separate EMA indicators with a single one, freeing up indicator slots on your chart.

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