Amendment to Regulation (EU) 2017/567 on a reasonable commercial basis, the size specific to the instrument for the purposes of obligations for systematic internalisers

This procedure updates rules on how to determine if a market for equity instruments is 'liquid'. It also clarifies requirements for making market data available and defines specific terms related to trading and risk reduction services.

These changes affect financial markets, investment firms, and how trading data is shared. The goal is to ensure transparency and fair access to market information for investors.