We could see a $580 movement on GBPUSD within the next 4 hours. GBPUSD could trend downwards 4 hours following the ISM Manufacturing PMI events in United States release because the released value is < 54.9. We may experience a price movement of 58 pips. Historical events that allowed us to draw this conclusion

03 May 00:00	02 Apr 01:00
05 Jan 02:00	02 Jul 00:00

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