This is just how basic maths works. The fund moves relative to...

This is just how basic maths works. The fund moves relative to the futures movement, its not fixed to any particular price.

Below example of how the future can move and come back to the same spot and BBUS would not.

Ontop of this, this is exchange traded, so the price is whatever people want to buy/sell for.

	Future		BBUS
Day 1	3000		3
Day 2	3090	3%	2.73	-9%
Day 3	3183	3%	2.48	-9%
Day 4	3278	3%	2.26	-9%
Day 5	3000	-8.49%	2.84	25.46%

Held at $4.6