Iced,
The only price difference in the stock between the U.S. price and the Canadian price should just be the difference in conversion of the U.S. dollar to the Canadian dollar. Right now the Canadian dollar and U.S. dollar are essentially equal 1:1, so SELSF is going to be the same price as SLI (right now anyways), until that 1/1 ratio starts to change. Like I was saying in my earlier post, there aren't as many trades made on SELSF (pink sheets) so the prices being shown under that ticker aren't as up to date as the price being shown for SLI. Just remember that when you see the price of a stock, you are only seeing the price of what the LAST TRADE was made at. Hope this helps.