The key to IBG is the Zinc price, not what you are thinking.., page-20

Futures picking up speed .............

	Month	Open	High	Low	Last	Change	Settle	Estimated Volume	Prior Day Open Interest
1	Last Updated: Wednesday, 21 Jun 2017 06:00 PM About This Report
2	JUN 17	-	2636.0B	-	2636.0B	+89.5	2631.5
3	JLY 17	-	2643.0B	-	2643.0B	+89.5	2637.5		5
4	AUG 17	-	2652.0B	-	2652.0B	+89.5	2646.5		5
5	SEP 17	-	2657.0B	-	2657.0B	+89.5	2651.5		5
6	OCT 17	-	-	-	-	+89.5	2653.5
7	NOV 17	-	-	-	-	+89.5	2655.5
8	DEC 17	-	-	-	-	+89.5	2656.5
9	JAN 18	-	-	-	-	+89.5	2657.5
10	FEB 18	-	-	-	-	+89.5	2658.5
11	MAR 18	-	-	-	-	+89.5	2659.5
12	APR 18	-	-	-	-	+89.5	2660.5
13	MAY 18	-	-	-	-	+89.5	2661.5
14	Total							-	15

still dropping

	Metal	Date: 16 - June	Date: 17 - June	Date: 21 - June
1	Metal	Date: 16 - June	Date: 17 - June	Date: 21 - June
2	Aluminium	-3300	-7100	+21550
3	Copper	-50	-3275	-2775
4	Lead	-725	-925	-525
5	Nickel	-36	+522	-378
6	Tin	-25	-125	+10
7	Zinc	-2125	-2125	-1600
8

cheers........................