‹ 18.7.11 Communication with the Public 18.8.1 Margins Payable on Opening Written Transactions › 18.8 Margins and Scrip-Covered Call Options 18.8.1 Margins Payable on Opening Written Transactions 18.8.2 Scrip-Covered Call Options 18.8.3 Margin Securities 18.8.4 Margin Requirements 18.8.5 Maintenance of Margin 18.8.6 Margin Prescribed is Minimum ‹ 18.7.11 Communication with the Public 18.8.1 Margins Payable on Opening Written Transactions ›