The role of LuSE includes formulation and enforcement of its rules. It supervises the players in the market so that they operate within the rules of the exchange.
The LuSE ensures fair trading practices and regulates the trading activities of its members according to such rules, there are basically four sets of rules:
1. Membership rules
2. Trading rules
3. Listing rules
4. Clearing & Settlement rules
The exchange ensures that no investor has undue advantage over other market participants and approves all listings.