LmeS_ Copper 03, members trade through electronic trading system,
On-site copper is the open bid of LME copper industry on the exchange, which is similar to gesturing on the exchange TV. Is the most traditional way of trading.
Comprehensive copper is a relatively comprehensive indicator made by Wenhua Finance after editing the above indicators by itself.
3 and 03 after the indicator represent three-month delivery.
This is an explanation for copper, and the same is true for nickel.