The Deja Vu Cycle has predicted all major moves in SPX going back for years. SPX is nearing completion of the Sharp Rally Phase in the Deja Vu Cycle. The Deja Vu Cycle will not pinpoint an exact top.
Simply, the Cycle predicts that the next major move is a decline to test the red trendline. At the current pace the red trendline is due to be tested late February/March at the latest.
Deja Vu Cycle from 2011: