Enhanced Gap Up/Down Analysis

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This Pine Script indicator, titled "Enhanced Gap Up/Down Analysis", is designed to visually analyze the percentage gaps between the current day's opening price and the previous day's closing price. It provides valuable insights into market behavior by categorizing gaps and coloring them based on specific conditions.

Key Features:

Bar Coloring Based on Conditions:

Gap-Up Days:
Green if the day closes higher than it opens.
Red if the day closes lower than it opens.

Gap-Down Days:
Red if the day closes lower than it opens.
Green if the day closes higher than it opens.
The bar's position reflects the gap percentage (positive values for gap-ups above the X-axis, negative values for gap-downs below the X-axis).
Gap Size Thresholds:

Users can define small and moderate gap thresholds to categorize gaps:
Small Gaps: Transparent color.
Moderate Gaps: Opaque color.
Large Gaps: Fully visible color.
Ensures small gaps are less than moderate gaps with validation logic.
Filter Gaps by Percentage:

Includes filters to show gaps only within a user-defined range (minFilterGap to maxFilterGap).
Histogram Visualization:

Plots the gap percentages as a histogram for easy visual analysis:
Positive bars for gap-ups.
Negative bars for gap-downs.
Alerts for Large Gaps:

Alerts notify when a gap exceeds the moderate threshold in either direction.
Use Cases:
Identify Market Sentiment:

Quickly assess whether gap-ups or gap-downs dominate.
Analyze whether gaps tend to follow through or reverse by observing bar colors.
Filter Relevant Gaps:

Focus on significant gaps (e.g., only gaps greater than 2%).
Visual Aid for Trading:

Helps traders detect patterns in market gaps and price movement relationships (e.g., gaps and reversals).

Customizable Inputs:
Small and Moderate Gap Thresholds: Define gap categories.
Gap Filter Range: Control which gaps to display.
Alerts: Get notified of significant gaps.
This tool is particularly useful for traders analyzing price gaps and their implications for market trends or reversals.