USD / CHF chart in the suppression of average system to run under interval falling rhythm, the dollar / Swiss Franc at 0.8840 above the middle price support callback efforts slowed, the dollar / Swiss Franc to the formation of a breakthrough before mid tempo invariant interval. From the map hour trend, the dollar / Swiss Franc in support of average system with rhythm within the range of operation. USD / CHF 0.8930 short-term upside to the callback, days on the dollar / Swiss Franc back strength, expected dollar / Swiss Franc through short-term adjustment is still a certain up space. Short term support resistance of 0.8930,0.8950 0.8885,0.8850