SPY Reverting to the Mean?

With the SPY testing support, closing on a hammer candle (reversal pattern) with +15 million ($6.5B) late buy prints with confirmation today. As long as nothing is said during the FOMC that isn’t already priced into the market tomorrow. The SPY is set to revert to the mean (21EMA) and test resistance at the $430 level. Here is a trade idea you can potentially benefit from.