If you have shopped for a mortgage in Singapore recently, you have almost certainly seen the term SORA attached to a package. Understanding SORA home loan pricing matters because this benchmark now sits underneath most floating-rate loans, and it directly affects the interest you pay each month. This guide explains what SORA is, how it replaced the older SIBOR benchmark, and how banks build a loan rate on top of it. It is general information to help you ask better questions, not financial advice, and you should confirm any actual numbers with your bank and the Monetary Authority of Singapore (MAS).
What SORA Actually Is
SORA stands for the Singapore Overnight Rate Average. In plain terms, it is a published benchmark that reflects the average rate at which banks in Singapore borrow Singapore dollars from one another overnight, in the unsecured market. It is administered by MAS and published every business day, so it is transparent and based on real transactions rather than on estimates.
Because SORA is an overnight rate, it moves with market conditions. When broad interest rates in the economy rise, SORA tends to rise; when they fall, SORA tends to fall. This is important for borrowers to internalise: a SORA-linked home loan is a floating-rate loan, so your monthly repayment can change over the life of the loan. Nobody, including your bank, can promise where SORA will be in the future, and this article does not attempt to predict it.
Why SORA Replaced SIBOR
For many years, floating home loans in Singapore were commonly pegged to SIBOR, the Singapore Interbank Offered Rate. SIBOR was based partly on rates that banks reported they would lend at, rather than purely on completed transactions. Globally, regulators moved away from these survey-style benchmarks in favour of ones grounded in actual trades, which are harder to distort and easier to trust.
Singapore followed that shift. Under an industry transition steered by MAS and the banking industry, SORA became the main interest-rate benchmark for the Singapore dollar cash and derivatives markets, and SIBOR-based products were progressively discontinued. If you hold an older loan that still references SIBOR, or you are unsure what your loan is pegged to, ask your bank directly what benchmark applies and what your options are. Do not rely on a general article to tell you the status of your specific loan.
How a SORA-Pegged Package Is Built
A SORA home loan rate is not simply SORA on its own. Banks generally quote your rate as a benchmark plus a spread (also called a margin). The structure usually looks like this:
- The benchmark. Most packages use a compounded average of SORA over a set past period, commonly described as 1-month or 3-month compounded SORA. Using a compounded average over a window smooths out the daily ups and downs of the overnight rate.
- The bank’s spread. On top of the benchmark, the bank adds a fixed percentage that represents its margin. The spread is set by the bank and can differ between products and over time, so it is a key thing to compare between offers.
- Reset frequency. Your rate is recalculated periodically, for example monthly or every three months, depending on the package. A shorter reset means your rate reflects recent market moves more quickly.
The table below compares the two floating-rate periods you will most often see quoted. The figures themselves change constantly, so treat this as a structural comparison only and get live quotes from your bank.
| Feature | 1-month compounded SORA | 3-month compounded SORA |
|---|---|---|
| Reset frequency | Typically every month | Typically every three months |
| Responsiveness to rate moves | Faster, changes sooner | Slower, more gradual |
| Payment stability | Can feel more volatile | Smoother between resets |
| Who it may suit | Those comfortable tracking changes | Those who prefer fewer changes |
Neither option is universally better. The right choice depends on your cash flow, how much fluctuation you are comfortable with, and the spread attached to each package. A mortgage banker can walk you through current offers side by side.
Fixed, Floating, and What to Compare
SORA packages are floating-rate products. Banks also offer fixed-rate packages, where the rate is locked for an initial period before typically reverting to a floating rate. Some borrowers value the predictability of a fixed rate for budgeting; others prefer floating in the hope of benefiting when rates ease. Because this involves guessing the future path of rates, there is no risk-free answer, and you should not treat anyone’s forecast as a certainty.
When you compare loan offers, look beyond the headline rate:
- The spread over SORA, since this is the part the bank controls and it persists for years.
- The reset period, which affects how quickly your payments move.
- The lock-in period, during which exiting or refinancing may incur a penalty.
- Fees and legal subsidies, including any clawback if you redeem the loan early.
- Any fixed-rate intro period and what the loan reverts to afterwards.
Read the loan facility letter carefully, and ask the bank to explain anything you do not follow before you sign.
Managing the Risk of a Floating Rate
The defining feature of a SORA loan is that your interest cost can rise. Sensible borrowers plan for that rather than hope it away. Consider stress-testing your budget against a higher rate so you know you can still comfortably meet repayments if the benchmark climbs. Keeping a cash buffer, avoiding stretching your loan to the maximum you qualify for, and reviewing your package before any lock-in ends are all prudent habits.
Your borrowing limits are also shaped by regulatory rules such as the Total Debt Servicing Ratio and loan-to-value caps, which are set by MAS and change from time to time. The exact percentages are not for an article to quote as current; a mortgage banker can assess your case against the rules that apply today.
Where to Get Reliable Answers
SORA itself is administered and published under MAS, which is the authority for how the benchmark works and how the transition from SIBOR was handled. For your specific loan, the rate you are charged, the spread, the reset schedule and any lock-in, your lender is the definitive source. For an independent view across lenders, a licensed mortgage broker or your own bank’s mortgage banker can compare packages for your situation.
Understanding SORA home loan mechanics puts you in a stronger position, but it does not replace tailored advice. Treat this guide as a foundation, confirm every figure with MAS or your bank, and make the decision based on your own finances rather than any prediction about where rates are heading.
Explore more
A loan is only one part of a purchase. If you are buying, our guide to negotiating a property offer explains the OTP mechanics that come before financing is drawn down. Landlords weighing the sums may also want our explainer on declaring your rental income to IRAS, and anyone handling an estate can read selling an inherited property in Singapore.
Related across Sky Media: Getting a Home Loan Using Overseas Income in Singapore · Getting a Home Loan as a PR in Singapore
Official sources: Monetary Authority of Singapore (MAS)
Further reading: Porting Your Home Loan to a New Property