Which is bigger, the Nasdaq or the NYSE?

The Nasdaq lists more companies and has a larger volume of trades. The companies on the NYSE are in aggregate worth more than the companies on the Nasdaq The NYSE is a physical place where traders trade stocks. The NYSE uses Specialists to to maintain orderly trading in each stock. The NASDAQ is not a physical place, but an electronic system for trading stocks listed on that system. The NASDAQ uses market makers to make a market in NASDAQ stocks. Market makers trade for their own accounts