The SPARKLINE function in Google Sheets creates a miniature chart contained within a single cell, providing a quick visual depiction of data trends. With this launch, Google is adding two new types of sparklines – column and winloss – joining the existing line graph and bar chart options:
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See the Help Center for details on using the SPARKLINE function.

Release track:
Rapid release and Scheduled release

For more information:
Drive G+ post
Help Center