Daily Performance Heatmap

This script displays a customizable daily performance heatmap for key assets across crypto, equities, bonds, commodities, currencies, and volatility indices.

Each cell shows the current price and the percent change since the daily open, color-coded using a gradient from negative to positive. Assets are arranged in a left-to-right, top-down grid, with adjustable layout and styling.

⚙️ Features:
🔢 Displays current price and daily % change

🎨 Color-coded heatmap using customizable gradients

🧱 Adjustable layout: number of columns, cell size, and text size

🧠 Smart price formatting (no decimals for BTC, Gold, etc.)

🪟 Clean alignment with padded spacing for UI clarity

🛠️ Future plans:
User-input asset lists and labels

Category grouping and dynamic sorting

Optional icons, tooltips, or alerts