The best 6-month fixed deposit rate we found was 3.60% p.a., which is below the cut-off yield of the latest 6-month T-bill auction.offered by RHB and HL Bank, and the best 3-month fixed deposit rate we found was 3.50% p.a. The best 12-month fixed deposit rate we found was 3.60% p.a.While CIMB raised its 6-month fixed deposit rate to 3.50%, Maybank, Standard Chartered and Hong Leong Finance selectively cut their fixed deposit rates.Banks in Singapore have largely maintained their interest rates on fixed deposit accounts in December 2023.