Footprint Settings
The Footprint chart can be displayed in different modes, including Bid × Ask, Delta, Volume, Volume (Delta Color), Delta Profile, and other cluster visualization types.
To open the Footprint settings:
- Click the chart Settings button.
- Open the Footprint Settings tab.


Clusters Content
| Parameter | Description |
| Content |
|
| Mode |
|
| Draw Borders | Displays borders around cluster cells. |
Color Scheme
| Parameter | Description |
| Color Scheme |
|
| Background of Clusters | Sets the background color of cluster cells. |
| Main Color | Sets the primary display color. |
| Bid Color | Sets the color used for bid values. |
| Ask Color | Sets the color used for ask values. |
| Heatmap | Configures heatmap colors. |
| Upper Cut-Off, % | Defines the threshold used for maximum color intensity. For example, a value of 5% applies the strongest color to the highest 5% of values. |
| Contrast | Adjusts color contrast. |
Additional Footprint
The Additional Footprint feature allows displaying a second footprint on the same chart. This makes it possible to analyze cluster data using two different visualization modes simultaneously.
Available settings include:
- Content
- Mode
- Color Scheme
- Draw Borders
- Background of Clusters
- Main Color
- Bid Color
- Ask Color
- Heatmap
- Upper Cut-Off
- Contrast
- Maximum Volume Type
- Border Color
- Border Width
- Text Color
- Bold Text
Outer Border and Direction Indicator
| Parameter | Available Options |
| Border Type |
|
| Border Color by Direction |
|
| Border | Sets the border appearance. |
| Direction Indicator Width | Defines the width of the direction indicator. |
Text Settings
| Parameter | Description |
| Show Text | Displays values inside clusters. |
| Text Color | Sets the text color. |
| Auto Size | Automatically adjusts font size. |
| Font Size | Sets a fixed font size. |
| Cluster Values Divider | Divides displayed values by the specified number, allowing more compact cluster visualization. |
| Width to Show Text | Determines the minimum cluster width required to display text. |
Maximum Level
| Parameter | Description |
| Maximum Volume Type |
|
| Border Color | Sets the border color for maximum levels. |
| Border Width | Sets the border width. |
| Text Color | Sets the text color. |
| Bold Text | Displays highlighted values in bold. |
Value Area
The Value Area setting controls the display color of the Value Area zone.

Proportion Settings
| Parameter | Description |
| Mode |
|
| Custom Proportion Value | Used when manual proportion mode is selected. |
| Upper Cut-Off | Defines the threshold for applying maximum color intensity in proportion-based color schemes. |
Bid/Ask Imbalance
The Bid/Ask Imbalance feature automatically highlights significant imbalances between executed buy and sell volumes at adjacent price levels.

The calculation compares the bid volume at one price level with the ask volume at the level directly above it and evaluates the difference as a percentage.
For example, if the ask volume equals 30 and the imbalance threshold is set to 350%, then the corresponding bid volume must exceed 105 for the imbalance to be highlighted.

By default, the imbalance threshold is set to 150%. Increasing this value highlights only stronger imbalances.
To modify the threshold, open Footprint Settings and adjust the Imbalance Rate parameter.
Bid/Ask Imbalance Settings
- Enabled — enable or disable imbalance highlighting.
- Bid Color — color for highlighted bid imbalances.
- Ask Color — color for highlighted ask imbalances.
- Imbalance Rate (%) — minimum percentage difference required for highlighting.
- Volume Filter — minimum volume required for highlighting.
- Minimum Difference — minimum volume difference between bid and ask.
- Ignore Zero Values — excludes comparisons involving zero values.
- Bold Text — displays highlighted values in bold.
If the lower bid volume exceeds the upper ask volume by the specified Imbalance Rate, the bid value is highlighted. If the upper ask volume exceeds the lower bid volume by the specified Imbalance Rate, the ask value is highlighted.
Filters
| Parameter | Description |
| Filter Type |
|
| Value | Filter threshold value. |
| Background | Background color for highlighted values. |
| Text Color | Text color for highlighted values. |
For example, if Relative Volume is set to 90%, all clusters whose volume exceeds 90% of the maximum volume (according to the selected proportion mode) will be highlighted.
Additional information about footprint analysis can be found in the following resources:
- Getting Acquainted With ATAS. Cluster Chart Functionality
- Structure of the Cluster Chart (Footprint)
- Basics of Cluster Analysis. Looking for Significant Levels With the Help of Graduated Volume
- How to Efficiently Combine Cluster Analysis, Volume Levels and Range Charts
- Types of Cluster Charts in ATAS (Footprint), Part 1
- A Practical Method of Detecting a Major Player in the Cluster Chart
- VSA and Cluster Analysis. Shakeout and Upthrust Patterns
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