For Syfe REIT+ and Syfe Cash+ portfolio, your funds are invested in SGD-denominated assets. On the other hand, in Syfe Core and Syfe Select portfolios, the assets are typically denominated in USD.
If your investment is denominated in a different currency from the funds you have transferred, exchange rate fluctuations may affect your returns - this is called the 'Currency impact'.
You can learn more about currency movements and the effect on your portfolio returns here.