Rates are now above 3% pa for both T-bill and SSB. It becomes pointless to continue to do the RHB high yield musical chair, because that gives an avg yield of only around 3% pa. Do remember to leave 1ct in your RHB high yield to get the 4.2% pa for the month of September.
Can we treat Singapore Saving Bond like a savings account? Yes, but do note that this is of inferior liquidity compared to a normal savings account, ie you can only redeem your bond at the beginning of every month. In exchange for this inferiority, you will get a higher interest rate with a yearly step up for 10 years.
So assuming the Fed starts to cut rates down back to sub 2% next year, Your SSB rate will continue to be above 3% and increasing every year till the end of 10 years. This is also the advantage of SSB as compared to the shorter term Tbill....