The network works in your favour
A SOL transfer takes seconds and costs a fraction of a cent. One network, no choices and no tags — in simplicity it is the opposite of both bitcoin and ether.
The practical consequence: the transfer actually keeps up with the spread. This is one of the few coins where "buy here, move, sell there" can be executed in real time rather than only from pre-funded balances.
Where the gaps come from
Solana is noticeably more volatile than bitcoin and ether. Sharp price moves are routine, and at those moments venues diverge further: each has its own book and they do not sync instantly.
Liquidity is high, so gaps do not last. But they appear more often than on the first two coins.
What to watch
Withdrawal fees for SOL are nominal on most exchanges, and that changes the arithmetic: a route worth hundredths of a percent can profit on SOL where on bitcoin it would certainly lose.
Still check withdrawal status. The Solana network has halted several times in the past, and exchanges close withdrawals at such moments — the table below shows this immediately.
About wrapped versions
Do not confuse SOL with wSOL, mSOL or jitoSOL. The first is the coin itself; the rest are wrapped and staked versions with their own prices and risks. Exchanges list them separately, and arbitrage between them is no longer arbitrage on one coin.