http://www.pretzelcharts.com/2017/06/rut-bkx-ndx-crude-oil-bears-attack-oil.html

Looks like he’s calling for a leading diagonal for 1 of C down.

My own work — with monthly RSI near 2 — is calling for a rally.
If PL is correct, it will fail and we get a crash wave. 3 of C.
Crashes do come from OS conditions. So even OS on monthly can be trumped by downward pressure persisting on say a quarterly.