Here is a chart of the VXX_240 Trend Model. A friend of mine trades VXX exclusively because of what he considers it's very predictable behavior characteristics. You can see the potential on the chart, three very good trades just using this model:
Notice the spikes higher in recent days, all followed by sideways consolidation, with each spike up making a new high.
If an extended back test supports it, I'll start reporting on this model in the subscription service. An edge is an edge, no matter what the symbol.