SPY 50 Day MA turning upwards

I wonder if this scenario can occur, when the 50 DMA turns around and moves upwards the underlying move down meet somewhere in the middle. In that hypothetical scenario the 50 DMA can move to 200, SPY touches 206 and starts moving lower to the meet 50 DMA at 200 and then goes under it or maybe it will bounce off of it several times before going down under the 50 DMA, just a maybe...