兰格钢铁
5月12日FIS铁矿石掉期交易
| 时期 | 买入价 | 卖出价 | 收盘价 |
| May-16 | $55.60 | $56.10 | $55.85 |
| Jun-16 | $52.00 | $52.50 | $52.25 |
| Q316 | $48.00 | $48.50 | $48.25 |
| Q416 | $44.00 | $44.70 | $44.35 |
| Q117 | $42.00 | $42.70 | $42.35 |
| Q217 | $40.35 | $40.85 | $40.60 |
| Cal17 | $40.00 | $40.40 | $40.20 |
| Cal18 | $36.45 | $36.95 | $36.70 |