We haven't seen any details so we don't have any idea how futures trading will address technical issues.
And that is where suspicion of futures trading comes in.
This is the first time that futures trading was introduced in China.
The volume of futures trading fell by 98% and the options trading market disappeared.
At that time India, with similar concerns, had already suspended futures trading of five commodities.
No futures trading is permitted outside the official time.
And the futures trading of portfolio insurers is still only a small fraction of the futures market.
And after futures trading ended yesterday afternoon, oil for immediate delivery traded on the cash market 20 cents higher.
That prospect was reflected in the futures trading of lumber yesterday.
One of the earliest written records of futures trading is in Aristotle's Politics.