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Key Session Levels | Highs, Lows, Opens

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Overview

Designed for scalping and intraday trading on ES, NQ, and other futures markets that trade around the clock, this indicator automatically plots key support/resistance levels:
  • Session opens
  • Session highs
  • Session lows
  • Overnight highs
  • Overnight lows


Session Definitions (America/New_York Time)

Session (18:00 - 16:59 ET)
  • Tracks complete trading cycle
  • Plots: High, Low
  • Represents true daily extremes of each session


Overnight Session (18:00 - 9:30 ET)
  • Captures Asian and European session price action
  • Plots: Open, High, Low
  • These levels can act as support/resistance during the NY session


NY Session (9:30 - 16:59 ET)
  • Optional background highlight for regular trading hours
  • Helps visually distinguish active NY session from overnight action


Key Features

Flexible Extension Modes
  • Same Day: Lines end at session close
  • Next Day: Lines extend through the following session
  • Full Chart: Lines extend indefinitely to the right


Smart Line Management
  • Optional extension of overnight levels through NY session
  • Control how many historical sessions to display (1-250)
  • Automatic cleanup of old lines


Full Customization
  • Individual color control for each level
  • Line style options (solid, dotted, dashed)
  • Line width adjustment (1px-4px)
  • Show/hide any level independently


Common Use Cases
  • Support/Resistance
  • Breakout/Break & Retest


Strategy
  1. Wait for price to reach a key level
  2. Use Level 2 data to determine who's in control at the level (e.g. aggressive buyers vs. passive sellers) *this requires third-party software and a live data feed
  3. Enter long/short WITH institutional players, identified via Level 2 data
  4. Target areas/levels where the market may reverse


Best Timeframes

Works on any intraday timeframe, optimized for: 1m, 5m, 15m, 30m, 1H

Notes
  • All times are in America/New_York (Eastern Time)
  • Requires intraday timeframe to detect specific session times
  • Lines are semi-transparent by default for better chart visibility
Informacje o Wersji
Overview

Designed for scalping and intraday trading on ES, NQ, and other futures markets that trade around the clock, this indicator automatically plots key support/resistance levels:
  • Session opens
  • Session highs
  • Session lows
  • Overnight highs
  • Overnight lows


Session Definitions (America/New_York Time)

Session (18:00 - 16:59 ET)
  • Tracks complete trading cycle
  • Plots: High, Low
  • Represents true daily extremes of each session


Overnight Session (18:00 - 9:30 ET)
  • Captures Asian and European session price action
  • Plots: Open, High, Low
  • These levels can act as support/resistance during the NY session


NY Session (9:30 - 16:59 ET)
  • Optional background highlight for regular trading hours
  • Helps visually distinguish active NY session from overnight action


Key Features

Flexible Extension Modes
  • Same Day: Lines end at session close
  • Next Day: Lines extend through the following session
  • Full Chart: Lines extend indefinitely to the right


Smart Line Management
  • Optional extension of overnight levels through NY session
  • Control how many historical sessions to display (1-250)
  • Automatic cleanup of old lines


Full Customization
  • Individual color control for each level
  • Line style options (solid, dotted, dashed)
  • Line width adjustment (1px-4px)
  • Show/hide any level independently


Common Use Cases
  • Support/Resistance
  • Breakout/Break & Retest


Strategy
  1. Wait for price to reach a key level
  2. Use Level 2 data to determine who's in control at the level (e.g. aggressive buyers vs. passive sellers) *this requires third-party software and a live data feed
  3. Enter long/short WITH institutional players, identified via Level 2 data
  4. Target areas/levels where the market may reverse


Best Timeframes

Works on any intraday timeframe, optimized for: 1m, 5m, 15m, 30m, 1H

Notes
  • All times are in America/New_York (Eastern Time)
  • Requires intraday timeframe to detect specific session times
  • Lines are semi-transparent by default for better chart visibility


Changelog

V 1.1

Updated overnight session calculation; now accurately plots overnight high and low on timeframes above 1m.
Informacje o Wersji
V 1.1

Updated overnight session calculation; now accurately plots overnight high and low on timeframes ab
Informacje o Wersji
v1.2

Updated session calculation; now accurately shows session high and low on timeframes above 1m.
Informacje o Wersji
v1.3

Added realtime overnight session high and low plotting.
Informacje o Wersji
v1.3.1

Updated indicator name for SEO.

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