Trend analysis (Fig. 1)
GBP / USD may move down on Monday, from 1.3585 (closing of Friday's daily candle) to 1.3536, the 14.6% retracement level (red dotted line). Then, it will go to 1.3597, which is the upper fractal (red dotted line).
Fig. 1 (daily chart)
Comprehensive analysis:
Indicator analysis - downtrend
Fibonacci levels - downtrend
Volumes - downtrend
Candlestick analysis - downtrend
Trend analysis - uptrend
Bollinger bands - uptrend
Weekly chart - downtrend
Conclusion: GBP/USD will decline from 1.3585 (closing of Friday's daily candle) to the 14.6% retracement level at 1.3536 (red dotted line), then move to 1.3597, which is the upper fractal (red dotted line).
Alternatively, the pair could go down from 1.3585 (closing of Friday's daily candle) to the 23.6% retracement level at 1.3498 (red dotted line), then climb to the resistance line at 1.3587 (yellow bold line).