Similar pattern formed on march 5th 2017, BTC lost steam and retracted including a big gap down.
BTCUSD
https://www.tradingview.com/chart/St4EoP2P/
Comment:
keep an eye on 4300 support. Watch how BTC reacts if at all
Comment:
good confirmation of short if BTC closes this hours candle below 4290
Comment:
Good confirmation first target 4100