Security prices contain valuable information that can be used to make a wide variety of economic decisions. To extract this information, a model is required that relates market prices to the desired information, and that ideally can be implemented using timely and low-cost methods. The authors...

This study investigates the impact of dark equity trading regulatory restrictions on the options market liquidity in Canada. In late 2012, the Canadian market regulator introduced a new dark trading regulation, referred to as the “Minimum Price Improvement” (“MPI”). It requires dark...

The Canadian Income Tax Act induces individual investors to close their short equity option positions at the end of the year and, if necessary, reopen them at the beginning of next year. This article analyzes the conditions under which it is optimal to close or leave open a short option position...