Possible 17 pip movement on GBPUSD

Based on the last 12 GDP Growth Rate QoQ Prel events in Japan, we may see a 17 pip movement on GBPUSD within 2 hours following the event release at 17 May 23:50 UTC. GBPUSD may trend upwards 2 hours following the event release at 17 May 23:50 UTC if the released value is > -0.4%

Historical events that allowed us to draw this conclusion

14 Feb 23:50
15 Nov 23:50
08 Aug 23:50
19 May 23:50