The more likely explanation is that you have set wrong time zone in your platform. IMO the best one is EET (GMT+2) by which you get rid of incomplete Sunday data, anyway you can set any other TZ in order you to see what you'd expect. You can set it by Settings >> Preferences >> General or by right click on date time at top-right corner of the platform
fquant wrote:
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The Chart's weekend is 4-21 and 4-22,but the real weekend is 4-19 and 4-20.
What's wrong with the chart?