No. You need to find enough of an arbitrage opportunity to overcome the friction. But once you found it, it's a risk-free profit. (You can't do too complex an atomic transaction on the financial markets; but most arbitrage deals take much less than a day --- even less than a few minutes, so your window of exposure is quite short.)
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No. You need to find enough of an arbitrage opportunity to overcome the friction. But once you found it, it's a risk-free profit. (You can't do too complex an atomic transaction on the financial markets; but most arbitrage deals take much less than a day --- even less than a few minutes, so your window of exposure is quite short.)