Change in Stocks and Arbitrage on September 21, 2019

Aluminum stocks (SHFE): -4.1%

Aluminum stocks (LME): -1.4%

Copper stocks (LME): -3.2%

Copper stocks (Nymex, Comex): -5.4%

Copper stocks (SHFE): -12.8%

Zink stocks (LME): +0.6%

Zink stocks (SHFE) -0.5%

Lead stocks (LME): -2.2%