GBP/USD Hourly chart on the basis of the Linear Regression Channels of three different time periods:

This week the GBP/USD pair expressed a strong bullish rejection towards the lower limit of the Yellow & Blue channels around 1.5835 which pushed the pair towards 1.5930 corresponding to the upper limit of the Yellow one where bearish domination was expressed failing to record a higher swing.

The GBP/USD pair has been consolidating almost sideways trapped between the price levels of 1.5850 - 1.5930 untill yesterday when the pair broke through the price level of 1.5930 reaching the upper limit of the Yellow channel at 1.5970.

The GBP/USD pair seems to be finding Intraday Resistance at the upper limit of the channel around 1.5970. That's why breakdown of the mid-line of the Yellow channel and the lower limit of the Violet one around 1.5925 opens the way directly towards the lower limit of the channels around 1.5880.