Traders can long bitcoin by purchasing perpetual swaps and selling them some time in the future for profits. For example, Alice buys 2 BTC/USD perpetual swaps by depositing $80,000 as collateral. As such, each BTC/USD perpetual swap is worth $40,000. Assuming the price of bitcoin rises steadily to $50,000 the following month, and Alice decides to close her position, she would have generated a $10,000 profit on each perpetual swap purchased. Her total profit would be roughly $20,000.
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