D.E.Hall

Trader W.D. Gann employed the pyrapoint system as a basis for his trading deals. “Reno” worked for Gann for six years, sharing tight trading desks, and reinforced Gann’s secretive demeanor. He said Gann carried a little piece of paper with him when he was in the “pit” for his most successful deals. Reno said that this paper was a small Pythagorean Cube.