oh? Last i checked they all had $10k/day limits or less.
Can you cite one that can give me $50M REAL USD in a REAL bank account in USA for that much BTC, today?
Can you cite self service online stock trading platform that can give me $50M REAL USD in a REAL bank account in USA for that much stock, today? (No, even if one wanted to, the USD doesn't move fast enough)
Coinbase daily limits can go up to $100k or $250k I think. Most financial transactions in excess of those amounts (in Bitcoin or any other asset class) probably involve an amount of personal service and a dialog between the two parties.
You can't create an account with them, transfer in $50M worth of stock, and transfer out the USD all in the same day.
Frankly, I'd be fairly surprised if you could even transfer $50M into a self-serve account the same day your account is created - likely some compliance and human-intervention guardrails would slow this further than transferring several thousands of dollars worth of stock. But even so, USD transfer is going to take at least a day.
Transfers between accounts != liquidity. Liquidity is selling an asset without moving the price. If you sell $50m of AAPL, a highly liquid stock, the price may move a bit, but not a ton. If you actually sold $50m of bitcoin, you would probably have trouble getting the buyers AND the price would fall.
According to the current orderbook on GDAX, you can market sell $50M of BTC, and the price would drop to a little above $7000 (on GDAX). So, no, you wouldn't have trouble getting the buyers since they are right there on the order books, but yes, the price would fall. You'd still get your $50M.
Bitcoin is certainly much less liquid than AAPL, but thats somewhat off topic.
Person I was replying to was talking about daily transaction limits, not liquidity. My point was that the standard he proposed is not even met by the biggest online stock exchange platforms.