stocks or forex which is more profitable to trade?

Quick question, which is the more profitable asset class to trade, is it stocks or forex? Please give clear reasons thanks

Stocks are more profitable and easier to trade because their prices are designed to go up. Forex on the other hand is designed to fluctuate so its more unpredictable.

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@paul_petit - 2 hours ago

Exchange rates are designed to range between certain ranges, central banks can intervene to keep the exchange rate within a certain range. But stock prices can keep rising without cap, making them more profitable.