2. For example, an exchange stipulates that when a variety holds less than 700,000 lots, the margin ratio is 6%; 700,000-900,000 lots, and the margin ratio is 8%; 90- 1 10,000 lots, and the margin ratio is12%; When it exceeds 1 10,000 lots, the margin ratio is 12%. Futures companies are required to increase the margin ratio of exchanges by at least 3 percentage points.
3. In addition, when the market continues to rise and fall, the margin ratio should also be increased according to the risk control measures of the exchange.
4. The margin ratio will be different in different months. Generally, the margin ratio will gradually increase in the first, middle and late months of the month before the delivery month, and will generally increase to 30-50% after delivery. ...