The answer is partially wrong.

Derivative traders that are attempting to mitigate or control risk are known as while those that are trying to capitalize on and make risky but large profits on commodity price swings are often referred to as While it is true that both Arbitrageurs and associate the use of sophisticated and quantitative make substantial use of s to , we often and not as much to Such s help identify an expected value from which one can compute a but any seeking abnormal and riskless profit should be cautioned that their may be incorrect and could result in substantial losses