By: Mitch Harden

Yeah but, Testosterone (Ts) levels are higher in sports teams that win. And in Chess players that win. It’s not very surprising that when traders ‘win’ a profit that their Ts goes up.
Not to mention that the pulses of Ts throughout the day can vary both in timing and intensity. So measuring once in the morning, isn’t really a good measure to show causality.
Ideally you would want to castrate the trader, and then give him a steady dose of Ts, then compare high-Ts groups to low-Ts Groups. But of course I normally work with rats. Still a possibility if we teach the rats to bar-press for buy and sell. Hrm…