Please specify if the order is a market order or not and indicate
any special terms of execution (e.g., "all or
none").
Important: Always specify
if this order cancels or replaces an existing order. We cannot
cancel an order unless you ask us to, and any losses that may
result from uncanceled orders will be charged to your account.
Similarly, please specify if you are simply changing the price of a
previous order, since failure to do so could result in a duplicate
order for which you would be responsible.