Madoff had a lot of employees too. But it was an empty box. Sometimes expenses are necessary to fool people.Not sure if you're being sarcastic here. Profit per trade doesn't matter, in the end it's the dollar amount that counts. I'm 99.9% certain they don't use any MAs anywhere.
With only 140 employees, that's still a considerable amount of money.
I was sarcastic about MA but I don't believe they have a sophisticated model. Their profit margin is so small that the smallest change can put them in heavy losses. Trading is buying and selling like any business. Profit margin is the most important ratio in business, not turn around. The final goal is to make as much money as possible. 36$ profit for a trade with a value of probably thousands of dollars per trade gives a profit microscopic small margin.
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