兰格钢铁
5月18日FIS铁矿石掉期交易
| 时期 | 买入价 | 卖出价 | 收盘价 |
| May-16 | $54.25 | $55.00 | $54.63 |
| Jun-16 | $50.25 | $50.80 | $50.53 |
| Q316 | $46.15 | $46.90 | $46.53 |
| Q416 | $42.40 | $42.65 | $42.53 |
| Q117 | $40.80 | $41.80 | $41.30 |
| Q217 | $38.80 | $40.30 | $39.55 |
| Cal17 | $38.40 | $39.15 | $38.78 |
| Cal18 | $34.60 | $35.45 | $35.03 |