3 MA's with Crossing Signals

Plots three fully configurable moving averages on one chart and prints/alerts BUY/SELL signals when price crosses your chosen MA(s). Built to match TradingView’s built-ins exactly.

Features

• Per-line MA type: SMA, EMA, SMMA (RMA), WMA, VWMA
  
• Per-line settings: length, color, offset
  
• Source control: Close, Open, High, Low, HL2, HLC3, OHLC4
  
• Optional Heikin Ashi calculation for both the MAs and the cross price
  
• Toggle signals vs MA1 / MA2 / MA3 independently
  
• Alert conditions for every cross (ready for “Once per bar close”)
  

How signals work

• UP when the selected price stream crosses above the chosen MA
  
• DOWN when it crosses below
  
• Signals/alerts follow your selected source (and HA toggle) to keep everything consistent.