He and the Cass researcher, Richard Ramyar, concluded that, contrary to beliefs held by many technical analysts, markets do not reverse at levels indicated by Fibonacci ratios.
Professor Batchelor said: "Nowadays, we think that most short-term movements in prices in financial markets are random. However, it is a natural human characteristic to look for patterns even in random data, and traders are under added pressure to rationalise their actions and display expertise.
"Theories of stock-market waves are manifestations of this illusion of control, the instinct that makes the dice harder when we want a high number."
As Julia Finch in the Guardian notes:
So will the nonsense now stop? No chance, [Batchelor] says, because the chart community needs every possible straw to grasp at - even if it is utter cobblers.