GBPUSD on Monday tested descending trendline that connects max levels of 25.Aug and 18.Sep, 1.5818 and 1.5658. As displayed on 4-hour timeframe, GBPUSD static resistance is set at 1.5494, local high of 14.Oct which has been tested 4 times since that time. Bounce from 1.5495 and close below trendline projection 1.5470 gives opportunity to sell GBPUSD targeting 1.5375.