Based on the last 12 GfK Consumer Confidence events in United Kingdom, a $520 movement could occur on GBPUSD within 12 hours following the event release at 20 May 09:01. We expect GBPUSD to trend downwards 12 hours following the event release at 20 May 09:01 if the released value is > -39

Historical events that allowed us to draw this conclusion

17 Dec 11:01	19 Nov 11:01
23 Jul 09:01

All references to movement sizes are expressed assuming a lot size of 100,000 units (“standard account”).