CVD FILLED AREA

CVD Filled Area computes Cumulative Volume Delta internally and draws it as a filled area with per-bar rectangles. It supports two outline modes (stair-step and candlestick), session-based CVD reset, and an optional zero line.

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Built-In CVD Calculation

The study computes CVD directly from bid and ask volume data — no external CVD study is needed. Each bar's delta (ask volume minus bid volume) is accumulated to produce the CVD line, which is then rendered as a filled area.

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CVD Reset Modes

Four reset modes control when the CVD accumulation resets to zero:

• None — CVD accumulates continuously with no reset
• Session Start — resets at the configured session open
• Session + Evening Start — resets at both session and evening session boundaries
• Custom Time — resets at a user-defined time

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Visual Fill

Each bar gets a rectangle fill from zero to the CVD value:

• Positive values — filled with the positive color (default: blue)
• Negative values — filled with the negative color (default: red)

The fill transparency is adjustable from 0% (fully opaque) to 100% (invisible).

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Outline Modes

Two outline rendering modes:

• Stair Step — a stepped line follows the CVD value bar by bar, drawn via chart tools
• Candlestick — renders CVD as candlestick-style bars with body (open/close) and wicks (high/low), using native subgraphs

Each mode uses separate colors for positive and negative sections, with configurable line and wick widths.

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Zero Line

An optional horizontal zero line provides a visual reference. Its color, width, and style (solid, dash, dot, dash-dot) are all configurable.

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Configuration

Setting	Default	Description
CVD Reset Mode	Session Start	None / Session Start / Session + Evening / Custom Time
Reset Time	09:30	Custom reset time (when mode = Custom Time)
Positive Fill Color	Blue	Color for values above zero
Negative Fill Color	Red	Color for values below zero
Fill Transparency	50%	Rectangle transparency
Fill Affects Scale	Yes	Whether the fill area affects chart scaling
Show Outline	Yes	Toggle outline visibility
Outline Mode	Stair Step	Stair Step or Candlestick
Positive Line Color	Blue	Outline color above zero
Negative Line Color	Red	Outline color below zero
Outline Line Width	2	Stair-step outline width
Wick Width	1	Candlestick wick width
Show Zero Line	Yes	Toggle zero line visibility
Zero Line Color	Gray	Zero line color
Zero Line Width	1	Zero line thickness
Zero Line Style	Dash	Solid / Dash / Dot / Dash-Dot