Groceries do have huge variations (at least here in Uruguay), and there is a fut...

Groceries do have huge variations (at least here in Uruguay), and there is a futures market in them.

There's definitely talk of fruit futures :)

"The status of the long-awaited futures trading contract in apple-juice concentrate hasn’t changed. It’s still coming “soon.” "

Milk doesn't only because it's regulated (here at least).