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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Whatever Happened To Groupon?

In August 2010, Forbes called the Chicago-based platform the “fastest growing company ever.” The following year, it IPO’d at a $17.8B market cap. Today? Groupon is worth just $103m — a 99.4% plummet from its IPO. And though it does maintain ~14m active users, it had 83m+ subscribers in 2011, per TechCrunch. More here – theHUSTLE. PS: If Google ever knocks on…

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