You could hold the position that markets are good but not everything should have a market.
For example you can forbid futures and derivatives without forbidding good old stock trading.
For example you can forbid futures and derivatives without forbidding good old stock trading.
However, it might be much more interesting, and societally more beneficial, to require that anyone trading in commodities futures must have, at all times, the facility to take delivery of the contracts. The upper limit of exposure for a trading desk would therefore be bound by the capacity of their physical infrastructure.