GBPUSD long scalp for the Brave: GU to fill gap?

GU opened with week with a large gap thanks to Brexit news.
It tried to fill it but only got to the 38.2% of it, then fell away hard.
But it looks to have hit a bottom for now, and should retrace some extent.

I am a USD bull and GU bear, so I am not longing, but if I were a bull, this would be THE place to start building a long position.

This long idea is a follow up to my Shorting plan, which played out almost perfectly
See my other Ideas in links below, for examples of how I use Fibs and EW to plot the road's map as we travel it.