In order to get updated values, you might include exporting and export-data modules, then by using chart.getCSV method you can retrieve updated data and integrate it with your data-management tool.
Demo: https://jsfiddle.net/BlackLabel/307w2zne/
References:
https://www.highcharts.com/docs/export- ... e-overview
https://api.highcharts.com/highcharts/exporting.csv
Let me know if that was what you were looking for!
Best regards!