What does the cross-margin benefit allow for a CTA with multiple positions?

• A. The ability to trade without margin requirements
• B. A larger total margin than the sum of the individual contracts' margins
• C. A smaller total margin than the sum of the margin amounts of each contract
• D. A reduction in trading volume

Answer: (C)

Cross-margining is a risk management tool that allows for the offsetting of positions across different asset classes or contracts, enabling a more efficient use of margin requirements. When a Commodity Trading Advisor (CTA) has multiple positions in related markets, the cross-margin benefit allows for positions that might offset each other in terms of risk to be recognized.

By allowing a smaller total margin requirement than the sum of the individual margins for each contract, cross-margining effectively reduces the amount of cash that needs to be tied up in margin accounts at any given time. This is advantageous for CTAs as it enhances liquidity and provides more capital flexibility for their trading strategies.

For instance, if a CTA holds both long and short positions across correlated instruments, the risk associated with these positions can decrease the amount of margin required. In essence, rather than needing the full margin for each position, the CTA can optimize their margin use since the positions mitigate each other's risk.

This concept is fundamental to efficient trading strategies, and the main benefit is increased capital efficiency, allowing for a more strategic approach to portfolio management.