Year-to-date, the S&P 500 is up 8%.
Plus, when the Consumer Price Index is between 4-6% like it is now, it usually dictates that the S&P 500 trades at a lower multiple than it is.
"For example, at the current S&P 500 P/E of 19, the earnings yield for stocks is 1 divided by 19, or ~5.2%.
While he sees 15% downside in the months ahead, he also believes the S&P 500 will return to current levels by the end of 2023.
Morgan StanleyWilson has also repeatedly warned of an earnings recession ahead, and recently said that the pullback in lending from banks strengthens his case.