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Overview
Session_Liquidity_Boxes_HUD plots clean, non-repainting intraday range boxes for the Tokyo/Asia, London, and New York trading sessions directly on the price chart while exposing running session High and Low series via indicator buffers for Expert Advisor integration.

Key Features
- Three Configurable Intraday Sessions: Independent enable toggles, server-time start/end hours (supporting overnight wraparound), and custom fill colors for Asia, London, and New York sessions.
- EA-Ready Indicator Buffers: Buffer 0 ( Session High ) and Buffer 1 ( Session Low ) expose the active session boundaries to iCustom / CopyBuffer with explicit chronological indexing and EMPTY_VALUE outside active hours.
- Instance-Isolated Chart Objects: Uses a unique per-instance object prefix so multiple indicator instances or other chart tools never collide on recalculation or removal.
- Live Broker-Safety & Volatility HUD: Displays current symbol SYMBOL_SPREAD , SYMBOL_TRADE_STOPS_LEVEL , and ATR(14) in points so discretionary traders and algo developers can verify stop-placement clearance at a glance.
Input Parameters
- InpShowAsia / InpAsiaStartHour / InpAsiaEndHour — Toggle and server-time window for the Tokyo/Asia session (default 00:00–08:00 ).
- InpShowLondon / InpLondonStartHour / InpLondonEndHour — Toggle and server-time window for the London session (default 08:00–14:00 ).
- InpShowNY / InpNYStartHour / InpNYEndHour — Toggle and server-time window for the New York session (default 14:00–21:00 ).
- InpMaxDays — Historical lookback in calendar days (default 7 ) to keep chart rendering fast.
- InpATRPeriod / InpShowHUD — ATR period and toggle for the top-left Spread / StopsLevel / ATR readout.
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