Open Interest Heatmap

Strike Clustering: Strikes with highest OI often act as support/resistance
Call vs Put Strength: Visual comparison of aggressive buying in each
Implied Levels: Where market participants expect price to stay
Liquidity: Higher OI means tighter spreads and better execution

Visualize open interest distribution across all strikes.

Upload a CSV file with columns: strike,CE_OI,PE_OI

Understanding OI Distribution

Open Interest (OI) heatmaps help traders quickly identify:

The heatmap uses a bar chart where blue bars represent call OI and red bars represent put OI for each strike level.

Get advanced OI analysis, heatmaps, and charts with our AI-powered extension