Google seems to be testing a “price history” chart or graph in the Google Shopping search product listings interface. I personally cannot replicate this yet, outside of seeing the “typical pricing across the web” section, but I do not see the price chart.

This was spotted the other day by Saad AK on Twitter who shared a video screencast of it in action. Here is a screen capture of just the price history graph that you can click on to enlarge:

Here is the videocast:

Have you seen this price history chart?

Forum discussion at Twitter.