OPEN-SOURCE SCRIPT
The Mended Collective: London High/Low Killzones
This open-source indicator automatically tracks the London session (3 AM – 8 AM EST) on any intraday chart. It plots the session’s dynamic high and low, shades the active kill-zone, and labels the completed range so you can spot liquidity sweeps and breakout setups at a glance.
🔧 Features
Visual highlights
• Color background during the active session
• Green line = London High | Red line = London Low
• Automatic labels once the session closes
Breakout alerts
Built-in alertcondition() triggers when price crosses above the London High or below the London Low, perfect for momentum or liquidity-grab strategies.
Time-zone aware
Uses New York (EST) timestamps so the range lines stay accurate on any broker feed.
🎯 How to Use
Add the indicator to any intraday chart (typically ≤ 1 h).
During 3 AM–8 AM EST the kill-zone is shaded; watch the evolving high/low.
After 8 AM EST the range is locked; trade retests, break-and-retest, or liquidity grabs with confidence.
Enable alerts to get notified the moment a breakout occurs.
🔧 Features
- Real-time session range
- Detects the London window daily and updates the high/low as price evolves.
Visual highlights
• Color background during the active session
• Green line = London High | Red line = London Low
• Automatic labels once the session closes
Breakout alerts
Built-in alertcondition() triggers when price crosses above the London High or below the London Low, perfect for momentum or liquidity-grab strategies.
Time-zone aware
Uses New York (EST) timestamps so the range lines stay accurate on any broker feed.
🎯 How to Use
Add the indicator to any intraday chart (typically ≤ 1 h).
During 3 AM–8 AM EST the kill-zone is shaded; watch the evolving high/low.
After 8 AM EST the range is locked; trade retests, break-and-retest, or liquidity grabs with confidence.
Enable alerts to get notified the moment a breakout occurs.
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.