PROTECTED SOURCE SCRIPT
已更新 Previous Day & Premarket High/Low

# Previous Day & Premarket High/Low Indicator
## Overview
This TradingView Pine Script indicator displays previous day's high/low levels and premarket high/low levels (HOD/LOD) directly on your chart. It helps traders identify key support and resistance levels from the previous trading day and track premarket price action.
## Features
### 📊 Previous Day Levels
- **Previous Day High (PDH)**: Shows the highest price from the previous trading day
- **Previous Day Low (PDL)**: Shows the lowest price from the previous trading day
- **Dynamic lines**: Automatically update each day with new previous day levels
- **Customizable colors**: Green for high, red for low (configurable)
### 🌅 Premarket Levels
- **Live Premarket HOD/LOD**: Real-time tracking of premarket high and low during premarket hours (4:00 AM - 9:30 AM)
- **Static Premarket Levels**: Frozen levels captured at 9:29 AM that persist throughout the trading day
- **Automatic session detection**: Identifies premarket vs regular trading hours
- **Time-based extension**: Lines extend to 4:00 PM end of trading day
## Time Sessions
### Premarket Session
- **Time**: 4:00 AM - 9:30 AM ET
- **Live tracking**: HOD/LOD update in real-time during premarket
- **Capture time**: Final values captured at 9:29 AM for static display
### Regular Trading Session
- **Time**: 9:30 AM - 4:00 PM ET
- **Static display**: Shows frozen premarket levels from 9:29 AM
- **Previous day levels**: Displays levels from the prior trading day
## Visual Elements
### Line Types
1. **Previous Day High**: Solid green line (customizable color)
2. **Previous Day Low**: Solid red line (customizable color)
3. **Live Premarket HOD**: Solid blue line (updates during premarket only)
4. **Live Premarket LOD**: Solid orange line (updates during premarket only)
5. **Static Premarket HOD**: Dashed blue line (frozen at 9:29 AM)
6. **Static Premarket LOD**: Dashed orange line (frozen at 9:29 AM)
### Labels
- **PDH/PDL**: Previous day high/low labels on the right side
- **PreMarket HOD/LOD**: Live premarket labels (during premarket hours)
- **Static Pre HOD/LOD**: Static premarket labels (after 9:29 AM)
## Input Settings
### Display Options
- **Show Previous Day High/Low**: Toggle previous day levels on/off
- **Show Premarket High/Low**: Toggle premarket levels on/off
- **Line Width**: Adjust thickness of all lines (1-5)
### Color Customization
- **Previous Day High Color**: Default green
- **Previous Day Low Color**: Default red
- **Premarket High Color**: Default blue
- **Premarket Low Color**: Default orange
## Overview
This TradingView Pine Script indicator displays previous day's high/low levels and premarket high/low levels (HOD/LOD) directly on your chart. It helps traders identify key support and resistance levels from the previous trading day and track premarket price action.
## Features
### 📊 Previous Day Levels
- **Previous Day High (PDH)**: Shows the highest price from the previous trading day
- **Previous Day Low (PDL)**: Shows the lowest price from the previous trading day
- **Dynamic lines**: Automatically update each day with new previous day levels
- **Customizable colors**: Green for high, red for low (configurable)
### 🌅 Premarket Levels
- **Live Premarket HOD/LOD**: Real-time tracking of premarket high and low during premarket hours (4:00 AM - 9:30 AM)
- **Static Premarket Levels**: Frozen levels captured at 9:29 AM that persist throughout the trading day
- **Automatic session detection**: Identifies premarket vs regular trading hours
- **Time-based extension**: Lines extend to 4:00 PM end of trading day
## Time Sessions
### Premarket Session
- **Time**: 4:00 AM - 9:30 AM ET
- **Live tracking**: HOD/LOD update in real-time during premarket
- **Capture time**: Final values captured at 9:29 AM for static display
### Regular Trading Session
- **Time**: 9:30 AM - 4:00 PM ET
- **Static display**: Shows frozen premarket levels from 9:29 AM
- **Previous day levels**: Displays levels from the prior trading day
## Visual Elements
### Line Types
1. **Previous Day High**: Solid green line (customizable color)
2. **Previous Day Low**: Solid red line (customizable color)
3. **Live Premarket HOD**: Solid blue line (updates during premarket only)
4. **Live Premarket LOD**: Solid orange line (updates during premarket only)
5. **Static Premarket HOD**: Dashed blue line (frozen at 9:29 AM)
6. **Static Premarket LOD**: Dashed orange line (frozen at 9:29 AM)
### Labels
- **PDH/PDL**: Previous day high/low labels on the right side
- **PreMarket HOD/LOD**: Live premarket labels (during premarket hours)
- **Static Pre HOD/LOD**: Static premarket labels (after 9:29 AM)
## Input Settings
### Display Options
- **Show Previous Day High/Low**: Toggle previous day levels on/off
- **Show Premarket High/Low**: Toggle premarket levels on/off
- **Line Width**: Adjust thickness of all lines (1-5)
### Color Customization
- **Previous Day High Color**: Default green
- **Previous Day Low Color**: Default red
- **Premarket High Color**: Default blue
- **Premarket Low Color**: Default orange
版本注释
a版本注释
Added alert options版本注释
Fix Previous day HL value.版本注释
Added opening range option and lines版本注释
Fixed lines labels版本注释
Update color版本注释
Fixed lines showing wrong PDH PDL at premarket受保护脚本
此脚本以闭源形式发布。 但是,您可以自由使用它,没有任何限制 — 在此处了解更多信息。
免责声明
这些信息和出版物并不意味着也不构成TradingView提供或认可的金融、投资、交易或其它类型的建议或背书。请在使用条款阅读更多信息。
受保护脚本
此脚本以闭源形式发布。 但是,您可以自由使用它,没有任何限制 — 在此处了解更多信息。
免责声明
这些信息和出版物并不意味着也不构成TradingView提供或认可的金融、投资、交易或其它类型的建议或背书。请在使用条款阅读更多信息。