OPEN-SOURCE SCRIPT
Hao_Gann Swing

This indicator is a custom dynamic swing structure tool built entirely on price action.
Key features:
• No use of candle color, indicators, or fixed fractals
• Swing detection is based only on High/Low relationships between candles
• Inside bars (fully contained candles) are ignored to reduce noise
Structure logic:
• In an uptrend:
- Higher highs extend the current swing high
- A downside break creates a new swing low
- If a strong outside bar breaks both sides and also breaks the previous swing low:
→ the current swing high is shifted to the new candle
→ a new swing low is formed immediately
• In a downtrend:
- Lower lows extend the current swing low
- An upside break creates a new swing high
- If a strong outside bar breaks both sides and also breaks the previous swing high:
→ the current swing low is shifted to the new candle
→ a new swing high is formed immediately
Additional behavior:
• Outside bars do NOT automatically create reversals
• Swings are updated (shifted) instead of duplicated
• The structure remains continuous and smooth (no broken lines)
This approach closely mimics how experienced traders manually interpret market structure, making it suitable for price action analysis and advanced strategy development.
Key features:
• No use of candle color, indicators, or fixed fractals
• Swing detection is based only on High/Low relationships between candles
• Inside bars (fully contained candles) are ignored to reduce noise
Structure logic:
• In an uptrend:
- Higher highs extend the current swing high
- A downside break creates a new swing low
- If a strong outside bar breaks both sides and also breaks the previous swing low:
→ the current swing high is shifted to the new candle
→ a new swing low is formed immediately
• In a downtrend:
- Lower lows extend the current swing low
- An upside break creates a new swing high
- If a strong outside bar breaks both sides and also breaks the previous swing high:
→ the current swing low is shifted to the new candle
→ a new swing high is formed immediately
Additional behavior:
• Outside bars do NOT automatically create reversals
• Swings are updated (shifted) instead of duplicated
• The structure remains continuous and smooth (no broken lines)
This approach closely mimics how experienced traders manually interpret market structure, making it suitable for price action analysis and advanced strategy development.
Open-source script
In true TradingView spirit, the creator of this script has made it open-source, so that traders can review and verify its functionality. Kudos to the author! While you can use it for free, remember that republishing the code is subject to our House Rules.
Disclaimer
The information and publications are not meant to be, and do not constitute, financial, investment, trading, or other types of advice or recommendations supplied or endorsed by TradingView. Read more in the Terms of Use.
Open-source script
In true TradingView spirit, the creator of this script has made it open-source, so that traders can review and verify its functionality. Kudos to the author! While you can use it for free, remember that republishing the code is subject to our House Rules.
Disclaimer
The information and publications are not meant to be, and do not constitute, financial, investment, trading, or other types of advice or recommendations supplied or endorsed by TradingView. Read more in the Terms of Use.