The Latest

As of November 3, 2025, the Securities and Exchange Commission (SEC) adopted amendments to certain rules of Regulation National Market System (Regulation NMS), one of which was introducing a new price-tiered round lot framework for NMS stocks. Under the new framework, round lot sizes are scaled to share price: 100 shares for stocks priced at or below $250, 40 shares for stocks priced between $250 and $1,000, 10 shares for stocks between $1,000 and $10,000 and one share for stocks priced above $10,000.