No wonder, go one big round, conclusion is the same, it's not really possible to avoid the currency spread. If you are rich enough to be a priority client, you are already paying for that service in other ways. Just bite the bullet and use the exchange.
Next time really need to clarify, USD FCY account and USD FCY SSA. Doing the TT requires one to have priority banking USD high account. =/
From SCB priority banking,
2)
Eligibility criteria for Priority Banking
To enjoy the exclusive Priority Banking membership and all the benefits and privileges that come with it, simply maintain a minimum of S$200,000 in deposits and/or investments, or maintain S$1.5 million in housing loans with us.
3)
Fees and charges
3.1Fees and charges may be charged for the provision of selected Priority Banking services. The fees are set out in the Priority Banking Pricing Guide and may change from time to time. You can request for a copy of the Priority Banking Pricing Guide or the specific charges for a particular Priority Banking service by contacting your Relationship Manager, via phone banking, visiting our branches or from the Standard Chartered Bank (Singapore) Limited website at
www.standardchartered.com.sg
3.2Priority Banking membership is subject to you meeting our eligibility criteria. If the eligibility criteria are not met, we may at our discretion either:
(a) Impose a fee (which the fees will be deducted from any of your
account(s) with us and you expressly authorise us to do so); or
(b) Downgrade any or all of your household members, if any, who were accorded Priority Banking membership by us through the Household Recognition; or
(c) Cease to or suspense the provision of any Priority Banking Services until you meet the eligibity criteria.