GBP/USD has reached on the dayly chart the 1.20900 resistance level.We can see a strong buy zone at this level in the past on: 2016.10.06, 2017.01.17, 2017.01.09. Now we are located in the same level and in the next days we expect a possible buy. On the H4 chart we can see a side channel between 1.21140 support and 1.21900 resistance. We expect a possible breakout on the 1.21900 resistance zone. We set up 2 possible buy zones on 1.21100 and 1.2200.