Turns out I got the number of hours wrong and FOMC is earlier than this. To find out the exact time for fomc in your timezone go to https://www.forexfactory.com/calendar and scroll down. I think altcoins are so battered down (-80% in two months for some of these) that we could get some good mean reversion pumps to the upside if Powell doesn't say more things to spook the market. These events are always extremely volatile so I recommend not going too aggressive with your positioning, there can often be nasty surprises.