Logarithmic scales have other advantages as well. Returning to the APPL charts above, it is impossible to imagine drawing a trendline connecting the series of lows in 2003 on up through 2008.

The first chart is in an arithmetic scale in which a one dollar move from 700 to 701 is the same vertical distance as from 17,000 to 17,001. That creates an impression that Bitcoin is off-the-rails.

Both linear and logarithmic charts will use the same x-axis dates for their charting. A linear price scale can also be known as an arithmetic chart.

Stock charts come in two main forms%3A Linear and logarithmic Linear charts treat all dollar price changes equally Professional investors look at both types of charts to understand stock moves USA ...

This post offers reasons for using logarithmic scales, also called log scales, on charts and graphs. It explains when logarithmic graphs with base 2 are preferred to logarithmic graphs with base 10.

The second finding, however, is the key weakness of a log chart: people have a hard time interpreting the scale. In the log chart, the final dot looks like it’s at around 60-70,000 deaths or so.

The data look very different when plotted on what is called a logarithmic scale. In a typical graph, values on the (vertical) y-axis are plotted linearly: 1, 2, 3, and so on, or 10, 20, 30, or the ...