‹ 18.4.2 Position Limits 18.5.1 Members Prohibited from Opening Transactions that would Violate Individual Position Limits › 18.5 Position Limits 18.5.1 Members Prohibited from Opening Transactions that would Violate Individual Position Limits 18.5.2 Market Position Limits 18.5.3 Position Limits Subject to Change 18.5.4 Definition of "Control" 18.5.5 Reports Relating to Position Limits 18.5.6 Closing Off Positions 18.5.7 Trading Member's Duty to Inform Customers of Position Limits 18.5.8 Limit on Uncovered Short Positions 18.5.9 Other Restrictions on Option Transactions and Exercises ‹ 18.4.2 Position Limits 18.5.1 Members Prohibited from Opening Transactions that would Violate Individual Position Limits ›