An impulse where w3 is smaller than w1 and w5 is smaller than w3 often adheres to a proportion of 1 / 0.886 / 0.382 on how w3 and 5 are related to w1. This seems to be the case for this hopefully last impulse in SPX which started at 1990.
I expect this impulse to finish at 2207 and then reverse.