Rule changes during that time, including decimalization of quotes, helped lead to much tighter spreads (blue line in Chart 1).

You can insert a chart in Excel by selecting your dataset, heading over to the Insert tab, and clicking the chart type you want in the Charts group of the ribbon. Then, you can customize them by ...

Save guides, add subjects and pick up where you left off with your BBC account. Real life situations such as travelling over time and across distance can be drawn on a graph. Exact distances and ...

In the asset allocation over time graph above, for example, you might notice the amount of stock in this hypothetical client’s portfolio has grown over time–while the amount of bonds has shrunk.

A date-and-cost line chart tracks a commodity's changing price over time. Economists use such diagrams to display broad market trends and predict future prices. Businesses that restock continually ...

A line chart connects a series of data points and is used by traders to monitor prices, currencies, indexes, and other data.

The VIX (which we show as red color in chart 1a) increases almost instantly as the market (shown as the grey line in chart 1a) falls to account for new news.

The Associated Press reported on stories using an out-of-context graph from the National Oceanic and Atmospheric Administration to falsely claim that the Earth's climate is cooling, not warming.

Consider the following three key questions the next time you see a graph, map or other data visual so you can confidently decide what to do with that new nugget of information.