The history chart shows a candle chart for the selected market. Each candle bar represents the open, high, low, close price for that point in time. A red bar means the price went down and a green bar indicates that the price went up.

The bar chart at the bottom represents the volume traded at that point in time.

The chart above is shown on 1 hour time frame. You can also select other timeframes by clicking on the top right timeframe selector.

In some cases, a market has multiple exchanges in the Markets page. In that case you can control which exchange to view the history chart for, as shown below: