Trend analysis (Fig. 1)

GBP/USD will continue decreasing on Wednesday, starting from 1.1356 (closing of yesterday's daily candle) to 1.1327, which is the support line of the downward channel (red thick line). Then, it will bounce up to the 14.6% retracement level at 1.1406 (dashed blue line) and to the 38.2% retracement level at 1.1497 (dashed blue line).

Fig. 1 (daily chart)

Comprehensive analysis:

Indicator analysis -uptrend

Fibonacci levels - uptrend

Volumes - uptrend

Candlestick analysis - uptrend

Trend analysis - uptrend

Bollinger bands - downtrend

Weekly chart - uptrend

Conclusion: GBP/USD will move down from 1.1356 (closing of yesterday's daily candle) to the support line of the downward channel at 1.1327 (red thick line), then bounce up to the 14.6% retracement level at 1.1406 (dashed blue line) and the 38.2% retracement level at 1.1497 (dashed blue line).

Alternatively, the pair could decline from 1.1356 (closing of yesterday's daily candle) to the lower border of the Bollinger line at 1.1169 (black dotted line), then bounce back to the lower fractal at 1.1349 (blue dotted line) and to higher price levels.