For risk management purpose, on their implied is to:
Long GBPCHF and USDCHF similar equity uses
Long GBPJPY and USDJPY similar equity uses
Long GBPUSD and short EURGBP similar equity uses
At such, those trading portfolios "floating profits" to off-set the "floating lost" as may be experienced by the price volatilities until they reach their upper ceilings/bands for USDCHF , GBPCHF , USDJPY , GBPJPY and GBPUSD and lower ceiling/band for EURGBP .
This is carry trading following trading of the target zones.