1. The maximum fluctuation range of daily price shall not exceed 4% of the settlement price of the previous trading day.
2. When one party of the continuous daily limit fails to quote continuously, the exchange will increase the daily limit by the same extent as other varieties of the big exchange. See the table below for the detailed scope of price limit:
Transaction status
Price limit range
Trading margin standard
1 stop plate
4%
5%
Second baffle
6%
8%
The third stop plate
8%
10%
3. Three consecutive daily limit stops in the same direction, and the risk control measures are in accordance with the treatment methods of coke and coking coal futures.
When a contract of iron ore futures stops rising (falling) in the same direction on a certain trading day and the next two trading days (respectively marked as the nth trading day, the nth+/kloc-0 trading day and the nth+2nd trading day) (that is, it reaches the same price limit for three consecutive days), if the nth+2nd trading day is the last trading day of the contract, the contract will be delivered directly; If the n+3rd trading day is the last trading day of the contract, the contract will continue trading on the n+3rd trading day according to the price limit and margin level of the n+2nd trading day; In addition to the above two situations, the Exchange may decide and announce on the n+2nd trading day according to the market conditions, and implement any of the following two measures for this contract:
Measure 1: On the (n+3) trading day, the Exchange adopts one or more unilateral or bilateral measures, with the same proportion or different proportions, to increase the trading margin of some or all members, suspend some or all members from opening new positions, adjust the price limit, limit the withdrawal of funds, close positions within a time limit, and forcibly close positions to resolve market risks.
Measure 2: After the closing of the market on the N+2nd trading day, the Exchange will reduce its positions by force.
In addition, the exchange may not force the reduction of positions, but make flexible decisions according to the specific situation and fully take care of the interests of investors.