A margin call will be made if the market value of the borrowed and sold
securities increases.
If the increase causes your margin ratio to fall below 130% (but above
120%), you will be informed through your Trading Representative (TR)
and you will have to satisfy the margin call within 2 market days.
If the margin ratio drops below 120%, you will have to satisfy the call on
the same day to restore the margin ratio to 130% of the borrowed and
sold securities.