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Intraday Session Ranges (Asian-London-NY) - JonathanJD86

This script is a technical utility designed to automatically track and visualize the high and low price levels of the three major trading sessions (Asian, London, and New York).

How it works: The script uses the time() function with the America/New_York timezone anchor to ensure accuracy regardless of the user's local time. It tracks the maximum and minimum price values during specific user-defined intervals.

Key Methodology:

Vertical Tick Offset: Unlike standard session boxes, this tool allows users to set a vertical gap (in ticks) so that the labels do not overlap the candle wicks, providing a clearer view of the actual price action.

Session Intervals: Defaulted to high-activity windows: Asian (20:00-00:00), London (02:00-05:00), and New York (08:30-16:00).

Dynamic Visibility: The script includes a logical check to automatically hide levels on timeframes higher than 1H, preventing chart clutter during macro analysis.

Release Note

Update: UI Optimization & Customizable Backgrounds
This update focuses on improving chart clarity and user experience by providing more control over visual elements.

What’s New:

Minimalist View by Default: The session background highlights are now disabled by default (show_bg = false) to ensure a cleaner look upon loading.

Toggleable Highlights: Users can now easily enable or disable the colored session columns through the "Show Background Highlight" option in the settings.

Enhanced Tooltips: Added descriptive tooltips to the input parameters to help users understand the functionality of each setting directly from the configuration panel.

General Overview & Methodology
This script is a technical utility designed to automatically track and visualize the high and low price levels of the three major trading sessions (Asian, London, and New York).

How it works: The script uses the time() function with the America/New_York timezone anchor to ensure accuracy regardless of the user's local time. It tracks the maximum and minimum price values during specific user-defined intervals.

Vertical Tick Offset: Unlike standard session boxes, this tool allows users to set a vertical gap (in ticks) so that the labels do not overlap the candle wicks, providing a clearer view of the actual price action.

Session Intervals: Defaulted to high-activity windows:

Asian (20:00 - 00:00)

London (02:00 - 05:00)

New York (08:30 - 16:00)

Dynamic Visibility: The script includes a logical check to automatically hide levels on timeframes higher than 1H, preventing chart clutter during macro analysis.

Release Note

What’s New:

New "Session Toggle" Group: I have added a dedicated settings group that allows you to independently enable or disable each session.

✅ Show Asian Session: Toggle visibility for the Asian range.

✅ Show London Session: Toggle visibility for the London range.

✅ Show NY Session: Toggle visibility for the New York range.

Minimalist Default State: Session background highlights are now disabled by default (show_bg = false) to keep your workspace clean.

Custom Highlights: You can still re-enable session backgrounds manually via the "Show Background Highlight" option.

Interactive Tooltips: Added clear descriptions to the input panel to guide you through each setting.

Release Note

Release Notes: Session Bias Analysis & Visual Overhaul
This update introduces a new analytical layer to the script, allowing traders to quickly identify the sentiment of each session at a glance.

New Analytical Features:

Session Bias Icons: Added clean visual identifiers to mark the closing sentiment of each session:

▲ (Green Triangle): Bullish session (Price closed near the session high).

▼ (Red Triangle): Bearish session (Price closed near the session low).

◆ (Orange Diamond): Range/Neutral session (Price closed near the center).

Adjustable Sensitivity: New "Range % Threshold" setting (Default: 30%). This defines the area required for a bullish or bearish classification. For example, at 30%, the price must close within the top 30% of the session range to trigger the bullish icon.

Visibility Control: Added a toggle to enable/disable these icons via "Show Session Bias Icon".

Improved Session Management:

New "Session Toggle" Group: Independent controls to show/hide the Asian, London, or New York sessions specifically.

UI Refinement: Background highlights are now optional and disabled by default (show_bg = false) for a cleaner price action focus.

Configuration Tooltips: Comprehensive descriptions added to all settings for better user guidance.

Release Note

What's New:

Day Open Line: Added a midnight (NY) day open line with a "DOp" label. Configurable color, style, and width.
Session Range Boxes: Added boxes that display each session's high/low range, with adjustable fill and border transparency, plus a max-boxes limit to keep the chart clean.
Post-Session Level Extension: Session High/Low levels now extend forward after the session ends, and automatically stop extending once price taps them (mitigation logic). Includes a max-sessions-to-extend limit.

Release Note

v2.0 — Major update

New features:

Session Volume Profile — POC, VAH and VAL calculated per session using lower-timeframe data, drawn within each session's range. Optional horizontal volume histogram. Keeps up to 5 previous profiles per session.
Sweep detection & alerts — When price sweeps an extended session High/Low, the level is marked with an ✕ at the exact sweep point and an alert fires. To enable notifications, create an alert on this indicator using the "Any alert() function call" condition.
Session Equilibrium (50%) — Dotted midline of each session's range, extended forward alongside the H/L levels.
8:30 AM NY Open line — In addition to the existing Midnight (00:00) Day Open.
Asian Range Deviations — Projects ±0.5x / ±1x / ±2x of the Asian range as potential expansion targets for London and NY.
Session Stats Table — Last completed range per session vs. its average (configurable lookback), with color-coded % (orange = compressed range, red = extended range).

Improvements:

Increased drawing object limits for smoother history rendering
Defensive handling when the chart loads mid-session
Refactored open-line logic (Midnight and 8:30 share the same engine)

Release Note

Minor housekeeping — updated chart snapshot to better showcase the new session volume profile and sweep markers.

Release Note

v2.1 — EQ & Volume Profile refinements

Session Equilibrium redesigned — The 50% line is now drawn contained within its session's range (from session start to session end), matching the volume profile behavior, instead of extending forward. A small "EQ" tag marks each line. EQ history now follows the Max Boxes to Keep setting.
Per-session toggles — Both the Session Equilibrium and the Session Volume Profile can now be enabled/disabled individually per session (Asian / London / NY), in addition to their master switches. This lets you keep, for example, only the Asian and London profiles as context while hiding the rest.

Release Note

v2.2 — HTF Levels & Session Open

New features:

Previous Day / Week / Month High & Low — PDH/PDL, PWH/PWL and PMH/PML drawn from the start of the current period and extended forward, each with its own tag, color and toggle. Levels are taken from the fully closed previous period, so they never repaint.
Session Open Line — Each session's opening price is now marked with a dashed line and an "O" tag, drawn contained within its session (from session start to session end), consistent with the Session Equilibrium and Volume Profile behavior. Individually toggleable per session (Asian / London / NY).

With this update, each session box carries its full internal structure — Open, Equilibrium (50%) and Volume Profile (POC/VAH/VAL) — while only true reference levels (extended session H/L, Asian deviations and HTF levels) project forward on the chart.

Release Note

v2.3 — NY Session Dividers

New feature:

NY Session Dividers — Vertical lines drawn inside the NY session box to split it into its three natural blocks: AM (9:30–12:00), Lunch (12:00–13:30) and PM (13:30–16:00). The dividers are contained within the box and stretch vertically as the session range expands, so they never project outside the session. Both times are configurable, along with color, style and how many days to keep on the chart.

This makes the internal rhythm of the New York session readable at a glance — separating the high-participation AM window from the low-liquidity lunch period and the afternoon block, each of which behaves differently in terms of range expansion and follow-through.

Release Note

v2.4 — Update

New

Day Open & 8:30 lines — Extension Mode: choose between Current Bar (line ends at the latest candle, label follows it) or Infinite (extends right). Optional price in the label.
Session Close line: when a session ends, a line is drawn at the session's closing price, contained within the session range (same as the Session Open line), with a "C" label. Toggle per session (Asian / London / NY), configurable line style and optional price in the label.
HTF Levels (PDH/PDL, PWH/PWL, PMH/PML) — Extension Mode: Current Bar or Infinite. Labels now travel with the current candle and can show the level price (e.g. PDH 20154.25).
Sweep Marker style: the ✕ mark can now be replaced by a bubble (circle in the session's color). Selectable marker style and size (Tiny / Small / Normal).

Fixed

Sweep detection on extended H/L now runs on every bar, including inside the following session. Previously, older extensions were only checked once the current session ended, which could place a sweep mark at the session close instead of on the candle that actually swept the level.

Release Note

v2.5 Update

New: Dual Day Open

DOp 00:00 (NY Midnight): open of the candle at 00:00 New York time, the standard ICT/SMC daily reference.
DOp Daily (Daily Candle): the symbol's actual daily open. On futures like MNQ/MES the trading day starts with the electronic session, not at midnight, so this level often sits at a different price. Showing both makes the gap between them visible.
Each has its own color, style and width, and each can be turned on or off separately.

New: Week Open (WOp)

Line at the open of the first bar of the week.
Uses the same extension mode as the Day Open and 8:30 lines (Current Bar or Infinite), with optional price in the label.

New: Previous Range 50%

Midpoint (equilibrium) of the previous Day, Week and Month ranges: PD 50%, PW 50%, PM 50%.
Follows the HTF extension mode, with its own colors, style and optional price label.

New: Custom Timestamps

Up to 4 vertical lines at any NY time (for example 8:30, 13:30, 15:00, 20:00).
Each one has its own label, color and on/off toggle. You also set the line style, width and how many past days to keep.

Improved: Extended Session H/L Labels

Extended session highs and lows now carry a label ("Asian H", "London L" and so on) that follows the line until it gets swept.
Optional price in the label ("Show Price in Extension Label").

Release Note

Update: NY Gap Box, cleaner session levels & dark-theme colors

New: NY Gap Box (NY close 16:00 → NY open 9:30)

Draws a box between the previous NY session close and the current NY open, green for a gap up and red for a gap down.
Includes the 50% level of the gap (CE / Consequent Encroachment) and a label with the gap size in points.
The box turns gray once the gap is filled (price trades back to the previous NY close).
“Extend Box” setting: keep the gap within its own NY session (“Until 16:00”), or keep unfilled gaps extending into the following days until they are filled (“Until Filled”).
Configurable minimum gap size, number of gaps to keep, and colors.

Removed: Vertical Offset (Ticks)

Removed the thick offset High/Low lines drawn above and below each session box. The session box itself already shows the range, so the chart is now cleaner.
The session bias icon (▲ ▼ ◆) now sits directly on top of the session high.
Post-session H/L extensions and sweep detection are unchanged.

Improved: default colors for dark charts

New session colors: Asian (violet), London (blue), NY (coral orange).
POC color changed to magenta so it no longer blends with the NY session.
Slightly higher box transparency with more visible borders.
All colors can still be customized in the settings.

Release Note

Update: Offset H/L Lines are back

Restored at a user’s request. The thick High/Low lines drawn above and below each session box are available again, now with their own settings:

Show Offset H/L Lines: on by default, can be turned off to hide them.
Vertical Offset (Ticks): distance from the session high/low (default 15).
Line Width: default 2.

They follow the “Max Boxes to Keep” setting, so old sessions don’t pile up on the chart. Everything else is unchanged.

JonathanJD86

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JonathanJD86