What this guy is complaining about is effectively a 0.24% spread. This is directly from Coinbase's site: Your exchange rate for buying or selling digital curre

What this guy is complaining about is effectively a 0.24% spread. This is directly from Coinbase's site: Your exchange rate for buying or selling digital currency through our Conversion Service is calculated as the market rate of the digital currency on Coinbase’s GDAX platform, plus a spread between 25 to 100 basis points determined by the size of your transaction, market volatility and length of time using Coinbase ("Exchange Rate").