comparing percentage profit is meaningless. At low monetary amounts (like 10 euros), it's easy to make 1% profit. At high monetary amounts like 1 million, it's

comparing percentage profit is meaningless. At low monetary amounts (like 10 euros), it's easy to make 1% profit. At high monetary amounts like 1 million, it's quite hard to get 1% profit - much harder than at 10 euros. Therefore, to quantify the risks, the absolute amount invested must be compared, not just the return %. At $1 million, they took 100,000 times more risk than the $10 investment.