This is the time of scarcest liquidity for the 24 hour forex cycle.

EUR/USD (and the USD generally) is extending its run during this time

  • Stop loss sellers under 1.1500 (round number effect)
  • and lack of liquidity

combining to extend the run it had during Europe/UK/US time. If you are after a catalyst, scroll back on forexlive and find the comments from Fed head Powell.