Usually you can get better buying and selling prices, because these are obtained from various channels. For pending orders (stop loss, limit price? Take profit, stop loss/trailing stop, etc. ). It will not be required to leave a certain distance from the market price.
Under normal circumstances, you can trade with a very low spread (about 0.5 ~ 2 for straight trading and about 0/~ 5 for fork trading) or zero spread. It won't be your counterparty, because they will give your list to the bank or other customers in the transaction, and there is no trading background. The fluctuation of real-time bidding will be greater, which is more beneficial to ultra-short-term traders. Since you can provide a price between the purchase price and the purchase price, you can become a market maker for other traders.
Disadvantages of ECN trading:
It is difficult to set a stop loss point because of the fluctuation of the price difference between the buying price and the selling price. (but generally it will not exceed the fixed spread of market makers), Chinese service is not popular enough, and the minimum account opening capital is relatively high.