Brace for the S&P 500 to crash 30% before an even bigger collapse after the election, markets guru David Brady warns

• Expect the S&P 500 to tumble 30%, recover, then suffer a historic crash, David Brady warned.
• He predicted the Federal Reserve would shore up the market before the election.
• The analyst said economic and geopolitical forces would cause a market collapse after the race ends.

Prepare for stocks to plunge 30%, rebound before the presidential election, then crash to their lowest level in 14 years, a markets analyst warned.

The S&P 500 is poised to plummet from over 5,000 points to an 18-month low of 3,500 points, David Brady said on the latest "Thoughtful Money" podcast episode.