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QuaScript

Quantum Momentum Oscillator

Admin's Choice NewFree

Four-oscillator ensemble with gradient zones and divergences

MomentumOwn pane CanvasGradient fillBackgroundSignalsAlerts
quascriptmomentumensembledivergenceoscillator

Favourites and Admin's Choice analyses are listed in the terminal's indicators window under Analysis Marketplace.

Language
QuaScript
Engine
Native C++, incremental on live ticks
Rendering
Canvas
Placement
Own pane
Settings
4
Plots
7
Lines of code
41
Source
presets/analysis/momentum/quantum_momentum.qs
Quantum Momentum Oscillatorengine result
Loading the engine result…
quatick-charts · QuaScript engine on synthetic 1-minute bars · drag to pan · scroll to zoom · Run executes the script on the engine (⌘/Ctrl+Enter while editing)

About

An ensemble of RSI, stochastic RSI, MFI and the Fisher transform rescaled to -100 .. +100. The histogram is shaded by acceleration, a spline signal line follows it, the overbought and oversold areas are gradient bands, divergences with price are marked and the background warms up while the ensemble is extreme.

7
Plotted series
2
Signal marks
0
Drawings
2
Alert rules
4
Settings
35
Lines of code

What it draws

Own pane · counted from the engine's plot table and the script's draw calls

Series

  • Level5
    TopOverboughtOversoldBottomZero
  • Histogram1
    Quantum
  • Spline1
    Signal
  • Band fills (render.band calls)2
  • Horizontal levels5
Legend
Quantum Signal Top Overbought Oversold Bottom

Signal marks

Oversold crossOverbought cross

Drawings and chart effects

  • Background shading

How it runs

From source to the live chart, for this script

  1. 1
    Compile

    The QuaScript compiler checks the 41-line script (35 lines of code) and lowers it for the native C++ engine. Compile errors point at the exact line and column.

  2. 2
    Place

    The header sets pane = hpane with height = 0.25 (25% of the chart), so the output gets its own pane under the price with its own scale.

  3. 3
    Compute

    The script runs once per bar, oldest to newest.

  4. 4
    Stay live

    On the terminal the script keeps one live engine session: a tick rolls the forming bar back to its checkpoint and re-executes only that bar, and new bars are appended, so history is never rerun while the market moves. The live result is identical to a full run.

  5. 5
    Render

    The results are handed to the chart: series on Canvas.

  6. 6
    Tune

    4 settings in 1 group appear in the chart's settings dialog. Changing one reruns the engine with the new value.

Rendering

This script draws on Canvas

WebGPUNot used

The browser's modern GPU API. The chart uploads every line, band and mark of the script as GPU buffers and draws them in one pass, so dense heatmaps and dozens of series stay smooth while you pan and zoom. Without WebGPU support the chart's GPU layer falls back to WebGL 2, then Canvas 2D.

WebGLNot used

GPU drawing through WebGL 2, available in every current browser. Used for chart-native profiles and for series that ask for it with backend = "webgl". Fast for large numbers of bars and wide fills.

CanvasSeries renderer

The browser's 2D drawing API. Text-heavy and object-style output (dashboard tables, zones, tags, segments), candle colors and backgrounds are painted by the QuaScript layer, a Canvas 2D surface over the chart. Series use Canvas when the script's header does not ask for a GPU.

In this script
  • • 7 plotted series
  • • 2 band fill calls
  • • 5 levels
  • • 2 signal mark types
  • • background shading (QuaScript layer)

Alerts

2 alert rules declared with alert.rule

Bullish divergence

Price made a lower low while momentum made a higher low

Bearish divergence

Price made a higher high while momentum made a lower high

Settings

4 settings, grouped as in the chart's settings dialog

General
SettingTypeDefaultRange / optionsId
SourcePrice sourceclose—source
LengthInteger143 – 100length
SignalInteger92 – 50signal
OverboughtNumber6010 – 95, step 1overbought

Script

packages/quascript/presets/analysis/momentum/quantum_momentum.qs

Header

analysis "Quantum Momentum Oscillator" {
    pane = hpane
    height = 0.25
}
Total lines
41
Code lines
35
Comment lines
4
Helper functions
0
Loops
0
Persistent variables
0
Higher-interval feeds
0
Engine plots
7

Built with

Technical analysis (ta.*)
ta.cross_downta.cross_upta.divergenceta.emata.fisherta.money_flowta.rsita.stoch_rsi
Math (math.*)
math.clamp

Discussion

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