What to trade around United States Fed Interest Rate Decision news event

Based on the last 12 Fed Interest Rate Decision events in United States, we expect USDJPY to trend downwards later today. Based on these past events there is a 83.33% chance of this. We expect USDJPY to trend downwards 12 hours following the event release at 19 Mar 05:00 if the released value is = 0.5%. A price movement of 67 pips is expected.

Historical events that allowed us to draw this conclusion

30 Jan 06:00
12 Dec 06:00
31 Oct 05:00
19 Sep 04:00
20 Jun 04:00
21 Mar 05:00
31 Jan 06:00
20 Dec 06:00
09 Nov 06:00
27 Sep 04:00

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