When there is no clear sentiment/fundamental move that I could trade off, trade based on different kind of fundamentals = "To make money, what had been bought, it needs to sold". Wednesdays or Thursdays always the time when the market ended their accumulation phase and start a new trend OR taking profit after several days of buying (in this case buying the Euros, now it needs to sell those by buying Dollar against it)
I could still see price could make another push towards 1.8600, when that happens, my conviction for a "retracement trade" increased. At the moment I see potential double top in this session, it could be a signal of the market can start profit taking OR start a new trend (if Monday's and Tuesday's move were just a case accumulating enough EURUSD buyers for them to trade against today...)