S&Ps show high vol & SOT as it tries to hold. May still go lower. Sup: Yest lo, then toward 3920. Res: 2-dy lo/4050 area, then 4080. A surprise move: 4115 area. #Wyckoff #learntotrade #tradingcourse #wyckoffanalysis #daytrader #trading #daytrading #SP500 #ES_F #wyckoffmethod #SPY