To open short positions on GBP/USD you need: Bears are still aimed at breaking the support of 1.3076, which may lead to a continuation of the downward trend in the area of the lows of 1.3013 and 1.2952, where i recommended taking profits.
However, at these levels, a bullish divergence can be formed on the MACD indicator (hourly chart), which will limit the downward potential. If the bulls try to return the market, the bears will defend the resistance of 1.3143 with all their strength, but it is best to open short positions from there if a false breakout is formed. You can sell the pound immediately on the rebound after updating the highs of 1.3203 and 1.3258.