Sets the text alignment of axisY crosshair’s label. This feature is useful whenever label text is wrapped onto multiple lines.
Default: “left”var  chart =  new  CanvasJS.Chart("container", {
 .
 .
 axisY: {
	crosshair: {
		 labelTextAlign: "center" // change to "left" / "right"
	}
   },
 .
 . 
});
chart.render();