Trend Volume Profile and Rolling POC [BigBeluga]

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🔵 OVERVIEW
Trend Volume Profile and Rolling POC [BigBeluga] is an indicator that builds a dynamic volume profile anchored to the current trend and tracks its rolling Point of Control (POC). It solves the problem of fixed-session profiles by generating an adaptive volume profile from the moment a trend begins, allowing traders to see exactly where volume is concentrated within the active trend leg.


🔵 HOW IT WORKS
The indicator identifies trend shifts, builds a custom volume profile for the active trend, and tracks a rolling POC line:

1 — Trend Engine
снимок
  • Basis & Bands: Calculates a central moving average and surrounds it with ATR-based upper and lower bands. You can customize this using the MA Type (SMA, EMA, WMA, HMA, RMA, VWMA), MA Length, ATR Length, and ATR Multiplier.
  • Trend Direction: Flips bullish when price closes above the upper band and bearish when it closes below the lower band.
  • Anchoring: The start of each trend leg resets the volume profile and becomes the anchor point for all drawings, marked by a "BULL" or "BEAR" label (size adjustable via the Trend Anchor Label Size input).


2 — Dynamic Volume Profile
снимок
  • Volume Binning: Splits the trend's price range into bins based on a fraction of the ATR. The vertical resolution is controlled by the Bin Size Multiplier (lower values create smaller, more detailed bins).
  • Volume Distribution: Instead of assigning a whole candle's volume to a single price, volume is distributed proportionally across all bins the candle spans. This creates a much more accurate profile.
  • Gradient Rendering: Draws horizontal boxes from the trend start, scaling their width and opacity by volume, and coloring them with a gradient. You can completely customize the look using the Bullish/Bearish Profile Base and Top color inputs.


3 — Rolling POC & Table
снимок
  • POC Tracking: Plots a glowing, dotted polyline tracking the highest-volume price bin as the trend progresses. This feature, along with its label, can be toggled via Show Rolling POC Polyline, with colors set by the Rolling POC Color input.
  • POC Label: Displays the POC volume value at the current bar, with its size adjustable via the POC Label Size input.
  • Trend Dashboard: A built-in table (toggleable via Show Trend Progression Table) shows trend status, duration, total trend volume, volume delta, and buy/sell percentage, styled with your chosen Up/Down Trend Colors.
    снимок



🔵 HOW TO USE
Beyond viewing volume distribution, the indicator can be applied in several ways:

  1. Trade the POC: Use the rolling POC line as a dynamic support or resistance level within the trend — price often reacts to it.
  2. Gauge Trend Strength: Use the dashboard's volume delta and buy/sell percentages to see if the current trend is backed by aggressive buying or selling.
  3. Spot Value Areas: Use the widest volume profile bars to identify where the market accepted price during the trend.
  4. Confirm Trend Flips: Use the BULL and BEAR anchor labels as confirmation of a new trend leg and a reset of the profile.
  5. Tune Resolution: Adjust the Bin Size Multiplier to make the profile finer (more detail) or coarser (broader view).



🔵 NOTES
Why this implementation is unique:
  • Generates a volume profile anchored strictly to the active trend, rather than a fixed time period, revealing the true value area of the current move.
  • Calculates volume distribution with proper candle overlap, assigning volume to price bins based on the exact percentage of the candle's range that touches them.
  • Features a rolling POC polyline that dynamically updates bar-by-bar as the trend evolves.
  • Includes a live dashboard computing total volume, delta, and buy/sell split for the entire trend leg.
  • Fully customizable MA types, ATR multipliers, label sizes, and dual-color gradients to match any chart theme.

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