thinkscript GEX Option Chain Column Heatmap for thinkorswim (FREE Light Version)

# GEX Option Chain Column Heatmap for thinkorswim (Light Version)

# Author: 0DTE_SPX | https://0dtespx.gumroad.com | https://x.com/0DTE_SPX

# Platform: Thinkorswim desktop only:

# Thinkscript Features:

# - Calculates Gamma Exposure (GEX) per strike. You don't have to pay for other gamma services again!

# - Adjusts sign for puts to reflect hedging pressure direction

# - VISUAL AID: Dynamically Assigns label color for optimal visibility based on background intensity to highlight key strikes.

# - Easy Installation guide.

# - Configuration is setup for for SPX 0DTE. May be adjusted for different use indices or tickers.

# - Light Version is similar to the full version, but covers a lower heatmap spectrum of GEX volume.

# NOTICE: Only updates during regular trading hours.