PhenLabs – Volume Footprint Anomaly Scanner (VFAS)

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The PhenLabs Volume Footprint Anomaly Scanner (VFAS) is an advanced Pine Script indicator designed to detect and highlight significant imbalances in buying and selling pressure within individual price bars. By analyzing a calculated “Delta” – the net difference between estimated buy and sell volume – and employing statistical Z-score analysis, VFAS pinpoints moments when buying or selling activity becomes unusually dominant. This script was created not in hopes of creating a “Buy and Sell” indicator but rather providing the user with a more in-depth insight into the intrabar volume delta and how it can fluctuate in unusual ways, leading to anomalies that can be capitalized on.

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This indicator helps traders identify high-conviction points where strong market participants are active, signaling potential shifts in momentum or continuation of a trend. It aims to provide a clearer understanding of underlying market dynamics, allowing for more informed decision-making in various trading strategies, from identifying entry points to confirming trend strength.

🚀 Points of Innovation

●​ Z-Score for Delta Analysis: Utilizes statistical Z-scores to objectively identify statistically significant anomalies in buying/selling pressure, moving beyond simple, arbitrary thresholds.

●​ Dynamic Confidence Scoring: Assigns a multi-star confidence rating (1-4 stars) to each signal, factoring in high volume, trend alignment, and specific confirmation criteria, providing a nuanced view of signal strength.

●​ Integrated Trend Filtering: Offers an optional Exponential Moving Average (EMA)-based trend filter to ensure signals align with the broader market direction, reducing false positives in ranging markets.

●​ Strict Confirmation Logic: Implements specific confirmation criteria for higher-confidence signals, including price action and a time-based gap from previous signals, enhancing reliability.

●​ Intuitive Info Dashboard: Provides a real-time summary of market trend and the latest signal’s direction and confidence directly on the chart, streamlining information access.

🔧 Core Components

●​ Core Delta Engine: Estimates the net buying/selling pressure (bar Delta) by analyzing price movement within each bar relative to volume. It also calculates average volume to identify bars with unusually high activity.

●​ Anomaly Detection (Z-Score): Computes the Z-score for the current bar’s Delta, indicating how many standard deviations it is from its recent average. This statistical measure is central to identifying significant anomalies.

●​ Trend Filter: Utilizes a dual Exponential Moving Average (EMA) cross-over system to define the prevailing market trend (uptrend, downtrend, or range), providing contextual awareness.

●​ Signal Processing & Confidence Algorithm: Evaluates anomaly conditions against trend filters and confirmation rules, then calculates a dynamic confidence score to produce actionable, contextualized signal information.

🔥 Key Features

●​ Advanced Delta Anomaly Detection: Pinpoints bars with exceptionally high buying or selling pressure, indicating potential institutional activity or strong market conviction.

●​ Multi-Factor Confidence Scoring: Each signal comes with a 1-4 star rating, clearly communicating its reliability based on high volume, trend alignment, and specific confirmation criteria.

●​ Optional Trend Alignment: Users can choose to filter signals, so only those aligned with the prevailing EMA-defined trend are displayed, enhancing signal quality.

●​ Interactive Signal Labels: Displays compact labels on the chart at anomaly points, offering detailed tooltips upon hover, including signal type, direction, confidence, and contextual information.

●​ Customizable Bar Colors: Visually highlights bars with Delta anomalies, providing an immediate visual cue for strong buying or selling activity.

●​ Real-time Info Dashboard: A clean, customizable dashboard shows the current market trend and details of the latest detected signal, keeping key information accessible at a glance.

●​ Configurable Alerts: Set up alerts for bullish or bearish Delta anomalies to receive real-time notifications when significant market pressure shifts occur.

🎨 Visualization

Signal Labels:

* Placed at the top/bottom of anomaly bars, showing a “📈” (bullish) or “📉” (bearish) icon.

* Tooltip: Hovering over a label reveals detailed information: Signal Type (e.g., “Delta Anomaly”), Direction, Confidence (e.g., “★★★☆”), and a descriptive explanation of the anomaly.

* Interpretation: Clearly marks actionable signals and provides deep insights without cluttering the chart, enabling quick assessment of signal strength and context.

●​ Info Dashboard:

* Located at the top-right of the chart, providing a clean summary.

* Displays: “PhenLabs – VFAS” header, “Market Trend” (Uptrend/Downtrend/Range with color-coded status), and “Direction | Conf.” (showing the last signal’s direction and star confidence).

* Optional “💡 Hover over signals for details” reminder.

* Interpretation: A concise, real-time summary of the market’s pulse and the most recent high-conviction event, helping traders stay informed at a glance.

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