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The toolbar is used to add symbols, and choosing what timeframe to display; 1 day, 5 days, 3 months, 6 months, Year to date, 1 year, 3 years, 5 years or all available data. The change in value of the stock for the chosen timeframe is displayed to the side of the timeframe buttons. 
Hover over graph
You can get on-point information about the symbol if you use your mouse to hover over the graph. The date you're focusing on is displayed to the right, along with the price and volume at that date.
Display data / Copy data for spreadsheets
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To re-open the chart, double click the data (or right-click and choose show chart).
Context menu
By right-clicking anywhere on the chart you access the context menu. From there you can show or hide most functions within the chart, as well as change the graphs series types and add/remove indicators.
Series types
You can choose between four series types
- Line (default). A simple graph showing the symbols progression.
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- Area. Same as line, but gives a stronger contrast for reading.
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- OHLC (open-high, low-close) Link to wikipedia.
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- Candle (Candlestick chart). Link to wikipedia.
Indicators
You can add four indicators to the chart, including three variations of simple moving average (SMA).
- Bollinger bands - Link to wikipedia
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- SMA 10 / 50 / 200 - Link to wikipedia
- SMA 10 / 50 / 200- Link to wikipedia
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- MACD - Link to wikipedia
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- RSI (Relative strength index) - Link to wikipedia
Zoombar
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The zoombar is a useful tool to focus on certain spans within a certain timeframe. You can use the handles on the right and left side of the bar to zoom in on the chart, and if you wish to study other parts of the chart using the zoombar you can slide the bar left and right, re-focusing on those parts.
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After adding instruments you can hide or reveal them by checking / unchecking the boxes in the toolbar.
Series types
It's possible to change series type for each graph within the chart. In this screenshot Eimskip (EIM, in green) is being displayed as candle, Marel (MARL, blue), as OHLC and Vodafone (VOICE, in red) is being displayed as area.
