There are 3 ways to expand multi-leg trades in the Positions Tab.
Smart Icon – Click on the icon to the left of the stock symbol, select ‘Expand/Collapse’. Repeat to close.
Expand All – Click the button above the trade entries if you wish to expand all multi-leg trades. Once clicked, the button will change to Collapse All.
Double-Click – if you want to expand one trade or specific trades, simply ‘double-click’ on an open space of the trade entry line. Repeat to close.