Cable bid/ask: 1.5475/1.5477
Euro bid/ask: 1.2484/1.2486


Day 0:
GBP (100 000)
USD 154 750


Euro 123 938.81
USD (154 750)


Cable Bid/ask:  1.5552/1.5554
Euro Bid/Ask: 1.2490/1.2491


Day 1:
GBP (100 000)
USD 155 520
day1-day 0:  155 520-154 750 = -770


Euro 124 505.64 
USD (155 520)
day1-day0: 124 505.64 - 123 938.81 = +566.83




so still running negative as euro is still preforming worse than cable.