Delta Volume Bubble [Quant Z-Score] by tncylyv

Delta/Volume Bubble [ Quant Z-Score ] by tncylyv
This indicator is a quantitative order flow tool designed to visualize statistically significant volume and delta anomalies directly on the price chart. By moving away from raw, noisy volume numbers and utilizing Z-Score (Standard Score) statistics, this tool adapts to changing market volatility to highlight areas of heavy institutional interest or exhaustion.
It combines statistical analysis with Price Action concepts (Effort vs. Result) to detect "Absorption"—market conditions where high volume occurs with very little price movement.
1. Core Concepts & Methodology
A. Adaptive Z-Score (The "Quant" Logic)
Raw volume data is often difficult to interpret because volume fluctuates wildly between sessions (e.g., the Asian session typically has lower volume than the New York Open).
Instead of using a fixed volume threshold (e.g., "Alert me if volume > 1000"), this script calculates the Z-Score.
It measures how many Standard Deviations (
σ
) the current volume is from the historical average.
Significance: A Z-Score of +2.0 or higher puts the current candle in the top 5% of statistical occurrences, filtering out noise and highlighting true anomalies.
B. Absorption Detection (Effort vs. Result)
This feature identifies "Trapped Traders."
The Logic: If the Z-Score indicates extremely high volume (High Effort), but the price candle has a very small body (Low Result), it implies that aggressive market orders are being absorbed by passive limit orders.
Visual: These specific anomalies can be highlighted with a unique halo effect, signaling a potential reversal or stop-hunt area.
C. Intra-Bar True VWAP (Smart Placement)
Standard indicators usually plot symbols at the High, Low, or Close of a candle.
This script utilizes request.security_lower_tf to analyze the Lower Timeframe (LTF) structure of the specific bar.
It calculates the exact Volume Weighted Average Price (VWAP) of that single candle.
Benefit: The bubble is drawn exactly where the heaviest volume occurred inside the candle, providing a more accurate level for future Support/Resistance tests.
2. Key Features
Dual Data Modes: Switch seamlessly between Volume Delta (Buying vs. Selling pressure) or standard Total Volume.
Dynamic Sizing: Bubble sizes (Small, Medium, Large) scale automatically based on the intensity of the Z-Score.
Absorption Logic: Automatically flags candles where volume is high but price progression is stalled.
Adaptive Visuals: Colors and opacity can fade dynamically based on the strength of the signal, or remain solid based on user preference.
Alert System: Fully configurable alerts for Z-Score breakouts and Absorption detection.
3. How to Use
This tool is best used to identify Reversals and Breakout Validation.
Trend Exhaustion (Climax):
If price is trending up and a large "Bullish" bubble appears at the highs with a long upper wick or small body (Absorption), it may indicate buying exhaustion and passive selling.
Breakout Confirmation:
If price breaks a key support/resistance level accompanied by a Large Bubble (High Z-Score), it confirms institutional backing for the move.
Support/Resistance Defense:
The "True VWAP" location of the bubble often acts as a re-test level. If price retraces to the center of a previous large bubble, observe for a reaction.
4. Settings Guide
Data Settings
Calculation Source: Choose between Volume Delta (Up/Down tick analysis) or Regular Volume.
Lower TF Granularity: The timeframe used to calculate the specific "True VWAP" location inside the bar (e.g., 1S or 1M).
Statistical Lookback: The number of bars used to calculate the baseline Average and Standard Deviation (Default: 60).
Quant Logic
Calculation Mode:
Adaptive (Z-Score): Triggers based on relative statistical anomalies (Recommended).
Fixed: Triggers based on raw volume numbers.
Z-Score Threshold: The sensitivity level. 2.0 is standard; higher values (e.g., 3.0) will show fewer, more extreme signals.
Absorption Logic
Detect Absorption: Enables the calculation for small-bodied high-volume candles.
Absorption Ratio: Defines how "small" the body must be relative to the average to qualify as absorption (0.1 to 1.0).
Visuals
Theme: Switch between Dark (Mint/Coral) and Light (Royal/Sunset) themes.
Scale Size: If enabled, bubbles grow larger as the Z-Score increases.
Glow Effect: Adds a neon glow for better visibility on dark backgrounds.
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Risk Disclaimer:
This indicator is for informational and educational purposes only. Volume and Delta analysis are subjective interpretation methods. Past performance, or statistical anomalies shown by this script, do not guarantee future results. Always manage your risk appropriately.