The article discusses insider trading in oil futures, where individuals with access to non-public information are making significant profits at the expense of others. The issue is seen as a form of corruption, where those with power and influence are using their position to gain an unfair advantage. The article argues that this not only hurts individual investors but also has broader implications for the market and the economy. The exact mechanisms and extent of the issue are not specified in the comments, but it is clear that it involves the use of confidential information to inform trading decisions.