Live Session Extremes: Asia / London / NY (5m)

This script automatically tracks and plots the live high and low levels of the three major Forex trading sessions:
Asia Session (18:00–03:00) — Teal
London Session (03:00–08:00) — Blue
New York Session (08:00–12:00) — Red
Designed specifically for 5-minute charts, it updates in real time as each session forms new highs or lows.
You always see the most recent session’s levels, cleanly plotted and color-coded on your chart.
✔ Features
Live updating lines for each session’s high & low
Lines anchored to the exact candles that created the extreme
Auto-cleaning: old session levels are deleted when a new session begins
Clear labeling:
Asia High / Asia Low (Teal)
London High / London Low (Blue)
NY High / NY Low (Red)
Extend-right option for projecting session levels into future price action
Built for precision session-based strategies such as:
Liquidity grabs
Session sweeps
BOS/CHOCH analysis
ICT-style trading
High/low power levels