ng the called security, the total par value of the called securities held, and the trading unit of the security. Example (unit of trade = 125,000): Ghent Account Par Value Number of Trading Units ABC-123234 5100,000 4 DEF-325465 $75,000 3 EDR-567433 $150,000 6 EAT-876574 $50.000 2 EGT-888345 $2