I have a point feature class that is constantly being updated. The points are clustered, so I would like to display near-points as a single, weighted point (and symbolize accordingly). Related information here: Visualize overlapping points

I can do this with the Collect Events geo-processing tool. However, this geo-processing tool produces a static output feature class; it is not dynamic.

Is there a way to dynamically symbolize near-points as a single point in ArcMap?

This is commonly done in web maps, so there must be a way for a platform as powerful as ArcGIS Desktop to do this, right?

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    I am not aware of a dynamic way of doing this in ArcGIS Desktop. It might be possible with ArcGIS Pro. I produce the static weighted points using Optimized Hot Spot Analysis – Midavalo Mar 15 '17 at 16:56

If you want to use point clustering as shown in this sample web map, with Esri products it's only possible with the ArcGIS API for JavaScript and with ArcGIS Online.

There is an Esri Idea asking to add this functionality in Desktop: Cluster Rendering for ArcMap. All you can do is vote for it...

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