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LH Alert Orb & Sessions

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LH Alert Orb & Session Levels

LH Alert ORB & Sessions is a multi-module intraday trading overlay that combines an Opening Range Breakout (ORB) framework, automated session reference levels, and a “Sniper” alert engine designed to highlight higher-quality momentum entries during a defined New York trading window. It is optimized for index futures—especially NQ/MNQ—and is best used on a 5-minute chart for the intended balance of signal quality and structure clarity.

The indicator plots EMA 10/20/200 and VWAP for trend/mean reference, then generates Sniper Long/Short alerts only when multiple conditions align: directional EMA trend (10 vs 20), reclaim confirmation relative to VWAP and EMA200 within a configurable lookback window, optional “recent cross” validation, and optional RSI and volume expansion filters. To reduce low-quality signals, the Sniper engine includes comprehensive candle-quality rules (minimum body % to avoid dojis, max wick-to-body ratios to avoid wicky indecision candles, hammer-like rejection filtering, and an optional “wick battle” filter that blocks candles where either wick represents an outsized share of the candle range). Alerts can also be gated by proximity to the current ORB and, optionally, require that both VWAP and EMA200 are contained within the opening range to enforce tighter structure-based entries.

The ORB module supports a configurable opening-range duration and an optional custom session (default 08:00–08:15 UTC-5), draws the opening range box, OR High/Low/Mid levels, and optionally displays breakout markers and bias-aware target logic (all breakout signals and targets are disabled by default for a clean chart). Historical ORB drawings can be preserved or hidden based on preference.

In addition, the Sessions module continuously tracks and draws key market structure levels for Asia, London, and PreMarket sessions (High/Low and an average line for each), along with prior trading day high/low using a futures-style trading day definition (rolling at 18:00 New York time). Each level is fully style-customizable (color, line style, width), providing a complete intraday roadmap of session extremes and mean levels alongside the Sniper/ORB framework.

This script is intended for intraday charts only (it enforces a timeframe below 1D) and is designed to be used as an alert-driven decision aid—prioritizing confluence, structure, and candle quality to reduce noise while keeping all major components configurable via grouped settings.

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