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 USDCHF to trend downwards later today. Based on these past events there is a 72.73% chance of this. This may happen if the released value is = 4.75%

Historical events that allowed us to draw this conclusion

15 Dec 06:00
22 Sep 04:00
28 Jul 04:00
05 May 04:00
17 Mar 05:00
16 Dec 06:00
04 Nov 05:00
29 Jul 04:00

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