As mentioned in this feature request for area-range chart series: "having area 'scatter' support, such as 'scatterArea', and 'scatterAreaRange', like the existing 'scatterLine', is also desirable".
Please see this forum post for details.
Hi, David,
Thank you for submitting this suggestion.
While it gains popularity, you can also check the forum thread which offers another approach to the one you have been given in the mentioned forum thread:
https://www.telerik.com/forums/scatter-area-chart
Kind Regards,
Alex Hajigeorgieva
Progress Telerik