score:2

Accepted answer

You can use

customizePoint 

callback.

$("#container").dxChart({
    dataSource: dataSource,
    ...
    customizePoint: function() {
        if(this.value > highAverage) {
            return { color: '#ff4500', hoverStyle: { color: '#ff4500' } };
        } else if(this.value < lowAverage) {
            return { color: '#00ced1', hoverStyle: { color: '#00ced1' } };
        }
    },
    ....
}

});

You can find find documentation and demo


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