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This script appears to be a custom indicator for TradingView that combines **Volumatic Variable Index Dynamic Average (VIDYA)** with **liquidity zone detection** and volume analysis. Here's a breakdown of its main components and functionality:

### Key Features
1. **VIDYA Calculation**:
- Implements a Variable Index Dynamic Average using momentum and length parameters to adapt to price action.
- Smoothes the trend dynamically based on volume and price momentum.

2. **Liquidity Zone Detection**:
- Identifies pivot highs and lows, and marks support (low) and resistance (high) zones on the chart.
- Tracks and extends these zones dynamically to visualize potential price liquidity levels.

3. **Trend Detection**:
- Tracks whether the trend is up or down by comparing the price source against VIDYA-based bands.
- Includes upper and lower bands calculated with a distance factor and ATR for flexibility.

4. **Volume Analysis**:
- Aggregates volumes during uptrends and downtrends to show the dominance of buying or selling pressure.
- Displays the delta volume percentage to highlight the difference between buying and selling volumes.

5. **Annotations**:
- Adds labels and markers for significant events:
- Liquidity zones are labeled with volume data.
- Trend changes are highlighted with up and down arrows.

6. **Plot and Styling**:
- VIDYA is plotted along with its bands, and the area between price and VIDYA is shaded to emphasize trend direction.
- Supports customizable colors for uptrends and downtrends.

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### Usage
- **Inputs**:
- `vidya_length` and `vidya_momentum`: Control the sensitivity of the VIDYA calculation.
- `band_distance`: Determines the width of upper and lower bands.
- Source: Defines the data used for calculations, typically `close`.

- **Outputs**:
- Trendlines, arrows, and shaded areas showing trend direction.
- Liquidity lines marking support/resistance zones.
- Volume statistics for trends and delta volume percentage.

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### How to Use in TradingView
1. **Copy the Code**:
- Copy the script and paste it into the Pine Script editor in TradingView.

2. **Customize Inputs**:
- Adjust the parameters in the input section (`VIDYA Length`, `Momentum`, etc.) to suit your trading style.

3. **Add to Chart**:
- Save and add the script to your desired chart.

4. **Interpret Signals**:
- Use liquidity zones for potential reversal areas.
- Observe the trend and volume indicators for entries and exits.

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### Potential Improvements
1. **Optimization**:
- Fine-tune the default values for `vidya_length`, `momentum`, and `band_distance` based on backtesting.

2. **Performance**:
- Limit the number of liquidity lines stored to enhance performance for charts with extensive data.

3. **Alerts**:
- Add alert conditions for trend changes, significant volume shifts, or price crossing liquidity zones.