For what it's worth, BofAML thinks that based in part on this indicator, "a tactical pullback" to 2,686 on the S&P in February and/or March is "very likely".
BofAML Bull & Bear indicator has given 11 sell signals since 2002; hit ratio = 11/11; average equity peak-to-trough drop following 3 months = 12%; note the last Bull & Bear indicator flashed was a buy signal of 0 on Feb 11th 2016.
See y'all at SPX < 2800