How do I become a permit expediter?

The largest designated market maker (DMM) on the New York Stock Exchange is Citadel Securities. As a prominent market maker, Citadel Securities plays a crucial role in providing liquidity and facilitating smooth trading by continuously quoting buy and sell prices for a wide range of securities. It operates independently from Citadel LLC, the well-known hedge fund also founded by Kenneth C. Griffin, and is headquartered in the Southeast Financial Center in Miami, Florida. Citadel Securities's significant market presence and extensive trading volume make it a key player in maintaining market stability and efficiency on the NYSE. Its role as a DMM involves ensuring fair and orderly markets, which is vital for investor confidence and overall market functioning.