An advantage of log charts is that a given distance on the chart equals a given percentage change. The one place where linear makes more sense is on BP charts. Since they are aleady a percentage, applying the log scale is like having a double logarithm, with the result that variations near the top get rather squished compared to ones near the bottom.
Register for free to join our community of investors and share your ideas. You will also get access to streaming quotes, interactive charts, trades, portfolio, live options flow and more tools.