This unique indicator has correctly forecast the direction the benchmark S&P 500 would move 18 out of 18 times since the start of 1945.

Tuchman also tracks exponential moving averages, rather than simple moving averages, to smooth out noise from volatility. Moving averages show the overarching direction the price is trending in; the ...

Peter Tuchman, a prominent New York Stock Exchange floor trader who’s been known for his photogenic facial expressions, calls ...