No. of Recommendations: 0
"1,850,000 JPY worth of Sumitomo and cash position of -1,850,000"
I just did a sanity check and my Japanese yen account is at zero. I don't think I did any special setting (but who knows?). The way it is treating these transaction (at least in my case) is to fully transparently purchase enough yen (minus whatever my yen holdings already are) to procure the stock. Theey even return any "change" (generally a few bucks worth) left over after the transaction to my US dollar account.
I have not recently sold any foreign shares, but hopefully if I did, the proceeds would be retained in terms of the currency (but I guess I should check and not take it for granted)
Maybe Jim knows?
Jeff