Q: Under what specific circumstances would it be better to hold a US-listed ETF if there is a Canadian equivalent? For example, when it is preferable to use the Vanguard Total Stock Market (VTI) rather than the Vanguard U.S. Total Market (VUN)? — R. F.
Until late 2012, there really were no great options for Canadian ETFs that held US and international equities. If you wanted a low-cost, cap-weighted index fund that did not use currency hedging, you were out of luck. That’s why my Complete Couch Potato model portfolio currently uses a pair of US-listed ETFs for its foreign equity components.
But the case for using US-listed ETFs is not nearly as compelling as it used to be. Since April, iShares and Vanguard have launched inexpensive Canadian ETFs covering the broad US and international markets without currency hedging. For example, the Vanguard U.S. Total Market (VUN), launched in August, is virtually identical to the Vanguard Total Stock Market (VTI)—indeed, VUN simply holds units of VTI.
There are three important differences between these ETFs,