Daily chart: a bearish inside bar formed after testing the upper Bollinger band is a substantial sign of a downward reversal and a decline in quotes to the minimum to the middle band (1.3619).

Н4: area of local consolidation of the pair is 1.3705-1.3728 (middle Bollinger band). As soon as this zone is pushed by sellers, the price of the pound may fall to the support zone of 1.3638.

Н1: a sharp drop in the ADX trend potential on the hourly chart is taking place against the background of the narrowing of the Bollinger bands (1.3718-1.3743). The most probable scenario is flat, and the option with greater volatility can be considered if the price goes beyond the specified corridor.

Conclusions:
The main scenario is flat in the range 1.3718-1.3743.
Alternative scenario is decline to 1.3638.
Trading decisions: selling from the 1.3743 zone to 1.3718 and 1.3638.