However, they will seek as much information as they feel that they need to minimize that risk. Different companies set margin requirements and deal with margin calls in slightly different ways. While the futures Exchanges set the minimum levels for margin requirements, brokerage companies can either use Exchange minimums, or set their margin requirements at some higher level. Some companies also differentiate by having different margin requirements for hedgers and speculators. Commission costs will vary from company to company, depending largely upon the services they provide and their related cost structure.
Commissions can also vary from customer to customer or over time if a firm uses volume discounts.
Make sure that you understand the process the company uses. What you are looking for in a broker will be based, to some extent, on your own personal preferences. Your relationship with your broker is very important. It is one in which large amounts of money can change hands very quickly based solely upon brief verbal communication. Develop an understanding of what you do and do not expect of the broker and make sure you know what the broker expects of you.