> For the complete documentation index, see [llms.txt](https://guide.traderevolution.com/project/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guide.traderevolution.com/project/web-platform/analysis-tools/chart/chart-overlay.md).
# Chart overlay
A user can add any other Symbols to the current chart. To provide this, click on the
button located near the Symbol lookup. Select a new symbol to integrate into the chart.
The menu of the overlaid symbol contains the following buttons:
* Visible
– if checked, the price scale of the selected overlaid symbol will be shown on the chart;
* Hide/Show – allows to hide or show overlaid symbol on the chart;
* Remove overlay – allows removing the overlay in one click.
A user can select the following overlay settings:
* Symbol – allows selecting symbol for overlay.
* Data type – type of data which will be displayed: Bid, Ask, Last.
* Price scaling – user can select separate or main scale for displaying.
* Style – style of the chart displaying: candle, line, bar, etc.
* Body, Border, Wick, Doji, Histogram Line, Line, Area – allows setting the color according to the chart style.
* Show price marker – allows displaying price marker for overlaied symbol.
button located near the Symbol lookup. Select a new symbol to integrate into the chart.
– if checked, the price scale of the selected overlaid symbol will be shown on the chart;
* Hide/Show 
– allows to hide or show overlaid symbol on the chart;
* Remove overlay 
– allows removing the overlay in one click.
A user can select the following overlay settings:
