Getting Started: Trendlines & Captions
Add a Caption
- Select Draw >> Caption or
on the toolbar
- Click on the chart to place the Caption.
- Add a Caption Marker (1 below) or leave blank if you want the captions to number sequentially
- Add a detailed Caption (2 below) that displays on mouse-over
![caption and marker caption and marker](/images/png_images/20100930_chart_caption.png)
Draw a Trendline
To draw a trendline:
- Select Draw >> Autofit Trendline or
on the toolbar
- Drag your mouse below (up-trend) or above (down-trend) the price bars for the period
- Select Closing Price for long-term charts or Highs/Lows for short-term (less than 6 months)
- The trendline will automatically fit to price bars in the selected time period
![drag trendline on chart drag trendline on chart](/images/png_images/20100930_chart_trendline.png)
To modify a trendline:
- Right-click on the trendline to edit its properties.
- Click on the trendline to drag it to a new position.
- Click on the anchor at either end to drag that end only.
![adjust trendline adjust trendline](/images/png_images/20100930_trendline_adjust.png)
Draw a Standard Deviation Channel
This fits a linear regression line to selected data, with channel lines normally at 2 standard deviations on either side (enclosing roughly 95% of the data).
- Select Draw >> Standard Deviation Channel or
on the toolbar
- Click on the chart and drag across the selected time period
![trend channel drag mouse trend channel drag mouse](/images/png_images/20100930_chart_trend-channel.png)
- Select the number of standard deviations (normally 2.0)
![trend channel select standard deviation trend channel select standard deviation](/images/png_images/20100930_standard_deviations.png)