$BTC I understand now! You mean lending interest rather than profit from market price movement.

On the Binance platform, you can borrow money from the platform to execute trading deals or even lend your money to others to earn interest (funding) in return for this lending. The profit you are talking about is the yield from lending, not the yield from market movement.

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What is lending funding?

Lending funding is the return you receive for lending your coins to other traders or the platform itself, in exchange for daily, weekly, or monthly interest.

This interest is usually predetermined and varies depending on the currency you lend.