The high-level market of US stocks includes two types: NASDAQ Basic market and ArcaBook in-depth trading.
The NASDAQ Basic quotation is the latest quotation provided by the NASDAQ exchange. It includes transaction data and the best set of data.
In-Depth Trading is composed of data from multiple exchanges. ArcaBook In-Depth Trading is the real-time trading order data provided by Arcabook, another exchange.
The in-depth display data provided by other exchanges requires users to purchase additional fees. For moomoo customers, it is FREE