Historical & Periodic Key Levels

Historical & Periodic Key Levels

This indicator automatically plots historical key levels (ATH/ATL) and periodic closing levels (Daily, Weekly, Monthly, Yearly). It highlights major price zones frequently used in technical and institutional trading.

Key Features:

• Dynamic ATH/ATL: tracks all-time high/low with date annotation.
  
• Periodic Closes: previous D/W/M/Y closes with directional coloring.
  
• Adaptive Colors: green/red based on bullish or bearish close.
  
• Full Customization: toggle visibility, colors, line width, text alignment, and label text.
  
• Smart Label Management: prevents overlap by cycling through label styles automatically.
  

Usage:

• Identify strong support/resistance levels.
  
• Monitor key closing prices across multiple timeframes.
  
• Enhance swing trading and long-term analysis with institutional reference levels.
  

Inputs:

• Levels Visibility: show/hide ATH, ATL, and periodic closes.
  
• ATH/ATL Style Settings: line colors, label prefix, width, and text alignment.
  
• Periodic Levels Style: label text (D/W/M/Y), line width, alignment, and bullish/bearish colors.
  

Notes:

• Levels adjust automatically to the active chart timeframe.
  
• Lower timeframe levels are hidden when redundant (e.g., daily close on daily chart).