Earlier quoted context omitted.
naive question: does coinbase really make markets in BTC??
What's the question? I assume you're asking if Coinbase actually buys BTC when you ask them to? Coinbase isn't publicly audited as far as I know so we don't really know. A related question would be... what fraction of Coinbase customers actually send or receive bitcoin, and what fraction of Coinbase customers simply buy and hold bitcoin that never goes anywhere. With this question answered, we would know how much Coi…
if coinbase fills orders by buying and selling bitcoin on its own account, then that is a very different business model from what i assumed they did