You can hold funds and convert currency between SGD and USD in the Syfe Trade app.
Please refer to this guide on how you can convert currency in the Syfe Trade app:
What is the exchange rate when exchanging currencies?
Syfe provides an indicative exchange rate that may vary a little at the exact time of conversion. The indicative exchange rate will be shown to you in the 'Convert currency' page before you submit your currency conversion request.
How long do currency exchanges take?
Currency conversions are real-time. However, if you encounter any issues please reach out to our Customer Service team.
Can I exchange currencies over the weekend?
Yes, currencies can be converted 24/7.