OPEN-SOURCE SCRIPT

Tristan's Box: Pre-Market Range Breakout + Retest

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Market Context:
This is designed for U.S. stocks, focusing on pre-market price action (4:00–9:30 AM ET) to identify key support/resistance levels before the regular session opens.

Built for 1 min and 5 min timelines, and is intended for day trading / scalping.

Core Idea:
  • Pre-market range (high/low) often acts as a magnet for price during regular hours.
  • The first breakout outside this range signals potential strong momentum in that direction.
  • Retest of the breakout level confirms whether the breakout is valid, avoiding false moves.


Step-by-Step Logic:
  1. Pre-Market Range Identification:
  2. Track high and low from 4:00–9:30 AM ET.
  3. Draw a box spanning this range for visual reference and calculation.


Breakout Detection:
  • When the first candle closes above the pre-market high → long breakout.
  • When the first candle closes below the pre-market low → short breakout.
  • The first breakout candle is highlighted with a “YOLO” label for visual confirmation.


Retest Confirmation:
  • Identify the first candle whose wick touches the pre-market box (high touches top for short, low touches bottom for long).
  • Wait for the next candle: if it closes outside the box, it confirms the breakout.


Entry Execution:
  • Long entry: on the confirming candle after a wick-touch above the pre-market high.
  • Short entry: on the confirming candle after a wick-touch below the pre-market low.
  • Only the first valid entry per direction per day is taken.


Visuals & Alerts:
  • Box represents pre-market high/low.
  • Top/bottom box border lines show the pre-market high / low levels cleanly.
  • BUY/SELL markers are pinned to the confirming candle.
  • Added a "YOLO" marker on breakout candle.
  • Alert conditions trigger when a breakout is confirmed by the retest.


Strategy Type:
  • Momentum breakout strategy with confirmation retest.
  • Combines pre-market structure and risk-managed entries.
  • Designed to filter false breakouts by requiring confirmation on the candle after the wick-touch.


In short, it’s a pre-market breakout momentum strategy: it uses the pre-market high/low as reference, waits for a breakout, and then enters only after a confirmation retest, reducing the chance of entering on a false spike.

Always use good risk management.

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