Why a Secretive Short Seller Is Challenging Reports Made by Peers

When Fiat Lux Partners burst onto the short selling scene in January with a scathing critique of an activist short seller report, rumors surged regarding the identity of the new outfit. Was it being financed by the companies targeted by short sellers? Was veteran short seller Marc Cohodes, a virulent critic of several activist short…

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It Worked Perfectly Yesterday

I have witnessed a disturbing trend in the industry of late: the over-optimisation or curve fitting of trading systems. This practice involves tweaking the parameters of a system to fit the historical data, often resulting in unrealistic and inflated performance metrics. Optimisation is a dangerous and misguided approach that can lead to disastrous outcomes for…

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