We study the effect of restrictions on dual trading in futures contracts. Previous studies have found that dual trading restrictions can have a positive, negative, or neutral effect on market liquidity. In this paper, we propose that trader heterogeneity may explain these conflicting results. We...

We study the provision of liquidity in futures markets as price volatility changes. For both active and inactive contracts, customer trading costs do not increase with volatility. However, for three of the four contracts studied, the nature of liquidity supply changes with volatility....

Dual trading is the practice whereby futures floor traders execute trades both for their own and customers' accounts on the same day. We provide evidence, in the context of restrictions on dual trading, that aggregate liquidity measures, such as the average bid-ask spread, may be misleading...