@sbsbsb,

labelAutoFit wraps and/or rotates and/or reduces font size of the label when they are too long and overlaps, it finds the best-fit and automatically manages label overlapping. Setting it to true(defaults to true) should work fine in your case.

Also, if you are passing x-value as a timestamp to display date time over axis X, please set xValueType to “dateTime”.

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Indranil Deo
Team CanvasJS