单选题 The following information relates to an investor's positioning the futures market:
【正确答案】 C
【答案解析】The initial margin required was $4.5 × 10 contracts or $45. A loss of $2.5 per contract on Day 1 would deplete the margin to $20 is below the required maintenance margin of $25, the investor must deposit enough to bring the balance back to $45. The investor must deposit $25 on Day 2.