启用买价线步骤：

1. Right-click anywhere on the chart.
2. 选择属性，然后进入常用选项卡。
3. Check the box for Show Ask Price Line.

启用买价线步骤：

1. Right-click anywhere on the chart.
2. 选择属性，然后进入显示选项卡。
3. Check the box for Show Ask Price Line.

默认情况下，买价线显示为红色。 If the Ask Price Line is the same color as your chart background, you may not see it. 如需避免这种情况，请进入“属性”，然后打开“颜色”选项卡，更改买价线的颜色。

若时间周期较长，买价线可能也不会显示，因为买价线可能会与卖价线发生冲突。

启用买价线步骤：

1. Go to Settings.
2. Tap on Charts.
3. Slide the button next to the Ask Price Line to turn it on. You can use the same button to switch it off too.

MT4

启用买价线步骤：

1. Go to Settings.
2. Tap on Charts.
3. Check the box for Ask Price Line to turn it on. Unchecking this box will turn it off.

MT5

启用买价线步骤：

1. Click on the Chart tab.
2. Tap anywhere to bring up the contextual menu.
3. Tap the Settings icon.
4. Check the box for Ask Price Line to turn it on. Unchecking this box will turn it off.