以下为5月21日LME市场收盘行情表：
| 名称 |
开盘 |
最高 |
最低 |
收盘 |
涨跌 |
成交量 |
持仓量 |
| 场外铜03 |
7275.0 |
7450.0 |
7235.0 |
7450.0 |
177.5 |
54182 |
243222 |
| 场外铝03 |
2842.5 |
2869.5 |
2839.5 |
2867.5 |
28.0 |
57716 |
555027 |
| 场外镍03 |
50500.0 |
50700.0 |
49850.0 |
50500.0 |
-50.0 |
10645 |
43309 |
| 场外锡03 |
13887.5 |
14145.0 |
13887.5 |
14125.0 |
237.5 |
5331 |
13722 |
| 场外锌03 |
3755.0 |
3795.0 |
3695.0 |
3785.0 |
75.0 |
26022 |
147217 |
| 场外铅03 |
2050.0 |
2140.0 |
2050.0 |
2140.0 |
80.0 |
11925 |
64464 |
| 铝合金03 |
2245.0 |
2260.0 |
2235.0 |
2255.0 |
10.0 |
0 |
0 |
| 场内铜03 |
7330.0 |
7420.0 |
7320.0 |
7405.0 |
133.0 |
3330 |
243222 |
| 场内铝03 |
2855.0 |
2869.0 |
2855.0 |
2869.0 |
19.0 |
4946 |
555027 |
| 场内锌03 |
3730.0 |
3780.0 |
3730.0 |
3780.0 |
60.0 |
3871 |
147217 |
| 场内镍03 |
50300.0 |
50450.0 |
50100.0 |
50450.0 |
-50.0 |
1086 |
43309 |
| 场内锡03 |
14125.0 |
14125.0 |
14125.0 |
14125.0 |
125.0 |
510 |
13722 |
| 场内铅03 |
2073.0 |
2115.0 |
2073.0 |
2115.0 |
55.0 |
2185 |
64464 | |
