Arbitrage trading always brings the price to the equilibrium level to that of the average price of a coin. The slight difference will always exist as it is up to the market maker and taker.

But the point is can you take advantage of this, yes you can both technically and theoretically. But the real problem for the common and general trader is how cost-effective it is? Because it will also incur the withdrawal fees charged by the CEXs. The second point is that withdrawal also takes some time, depending upon the scaling capacity of a blockchain and the number of confirmations accepted by an exchange to process your deposit.

Put simply, even if it is an opportunity, only the big players, exchanges take advantage of it, not the commoners, the commoners can only take advantage to some extent in DEXs.

Thank you.