# External Chart

This indicator allows for analysis of an older period without interrupting the current period chart.

![](https://s3-eu-central-1.amazonaws.com/euc-cdn.freshdesk.com/data/helpdesk/attachments/production/80034978420/original/gQ7rUnqNYnltaf2f73dwDCNC6NeuEKB6Rg.png?1630920842)

### Indicator settings

![](https://s3-eu-central-1.amazonaws.com/euc-cdn.freshdesk.com/data/helpdesk/attachments/production/80034978514/original/Oo_YUkHUt_qr8UVGHwEb6sk2-NvHeslNWA.png?1630920856)

#### Period

| **Name**     | **Description**                                                               |
| ------------ | ----------------------------------------------------------------------------- |
| Period Type  | Selecting a time interval for combining bars: Minute, Hour, Day, Week, Month. |
| Period Value | Selecting a value for a time interval (1 day, 5 minutes, 2 hours, etc.).      |

#### Background

| **Name**   | **Description**                                                        |
| ---------- | ---------------------------------------------------------------------- |
| Show back  | Enabling or disabling the display of the background in the merge area. |
| Back Color | Selecting a color for the background display.                          |

#### Grid

| **Name**   | **Description**                                                  |
| ---------- | ---------------------------------------------------------------- |
| Show Grid  | Enabling or disabling the display of the grid in the merge area. |
| Grid Color | Selecting a color for the grid display.                          |

#### Border

| **Name**     | **Description**                                                                                        |
| ------------ | ------------------------------------------------------------------------------------------------------ |
| Border Type  | Selecting the border type of the merge area: Hide, Box, Colored box, Candlestick, Colored candlestick. |
| Border Width | Indicating the width of the border of the merge area.                                                  |
| Border Color | Selecting the width of the border of the merge area.                                                   |

#### Indicator

| **Name**       | **Description**                                                           |
| -------------- | ------------------------------------------------------------------------- |
| Show Indicator | Enabling or disabling the indicator display on the chart.                 |
| Show Title     | Enabling or disabling the indicator name display in the information line. |
| Area           | Selection of an area to display the indicator.                            |

<br>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://support.tiger.com/english/windows/chart/main-indicators-in-chart-window/external-chart.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
