What to trade around Japan BoJ Interest Rate Decision news event

Based on the last 12 BoJ Interest Rate Decision events in Japan, we expect GBPUSD to trend downwards later today. Based on these past events there is a 66.67% chance of this. We expect GBPUSD to trend downwards 48 hours following the event release at 18 Jan 14:00 if the released value is = -0.1%. A price movement of 155 pips is expected.

Historical events that allowed us to draw this conclusion

17 Dec 14:00
16 Jul 13:00
18 Jun 13:00
19 Mar 14:00
18 Dec 14:45
29 Oct 14:00
15 Jul 13:00
16 Jun 12:45

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