Suppose today's settlement price on a CME DM futures contract is $0.6080/DM. You comprise a short position in one contract. Your margin account at present has a balance of $1,700. The next settlement prices of three days are $0.6066, $0.6073, and $0.5989. Calculate the changes in the margin account from every day marking-to-market and the balance of the margin account after that the third day.
Solution: $1,700 + [($0.6080 - $0.6066) + ($0.6066 - $0.6073) + ($0.6073 - $0.5989)] x DM125,000 = $2,837.50, in which DM125,000 is the contractual size of one DM contract.