Equity markets crash coming in 2017

What a record high Dow and S&P had made, if you are thinking of missing the boat and piling in now into that relentless bull, I would advise you to hold on until October. Seasonality studies show that the summer months are the worst performer and post election years ending with 7 magnify that probability of a serious correction. Don't believe, check it out after 3 months from now. We are underweight on equities. Interestingly this article added to that confidence level, maybe 90%?