(1) On 30 minute chart, dollar has Dollar has retested its support level, forming short-term Structural Support.
(2) On both support level, engulfing candles have been formed, showing buyers are in control short term.
(3) First group of sellers will come in psycological resistance level, where there's fib level confluence - and, of course along with major trend line.
(4) Upon surpassing aforementioned psycological level, this level will flip into strong support level on dollar's uptrend move.