Glossary term

Hong Kong Interbank Offered Rate (HIBOR)

HIBOR is a Hong Kong dollar benchmark rate based on interbank deposit rates in the Hong Kong banking market.

Updated

May 17, 2026

Read time

3 min read

What Is the Hong Kong Interbank Offered Rate?

The Hong Kong Interbank Offered Rate, or HIBOR, is a benchmark interest rate for Hong Kong dollar interbank lending. It reflects rates in the Hong Kong dollar money market and is published for different maturities, such as overnight, one-month, three-month, and longer tenors.

HIBOR is most relevant to Hong Kong dollar loans, deposits, derivatives, and floating-rate products. For readers outside Hong Kong, it is best understood as a local reference-rate system, similar in purpose to other interbank benchmark rates.

Key Takeaways

  • HIBOR is a Hong Kong dollar interbank benchmark rate.
  • It is published across several maturities.
  • It can affect floating-rate loans, derivatives, and financial products tied to Hong Kong dollar rates.
  • HIBOR is local to the Hong Kong dollar market, not a U.S. mortgage or consumer-loan benchmark.
  • Borrowers should focus on the full loan formula, including margin, reset timing, and caps.

How HIBOR Works

HIBOR is based on the Hong Kong dollar interbank market. The published rate gives market participants a reference point for the cost of short-term Hong Kong dollar funds between banks.

A loan or derivative that references HIBOR usually does not charge HIBOR alone. The contract may add a margin, define a reset schedule, specify the relevant tenor, and include fallback language for benchmark disruption.

Where HIBOR May Appear

Setting

How HIBOR may be used

Floating-rate loans

Reference rate plus a contractual margin

Mortgages in Hong Kong

One possible index for reset pricing

Derivatives

Reference rate for swaps or other rate contracts

Bank treasury

Money-market and funding reference

What Borrowers Should Review

The reference rate is only one part of the cost. A borrower should also look at the spread over HIBOR, the reset frequency, any introductory rate, caps or floors, repayment terms, fees, and what happens if the benchmark is unavailable.

HIBOR can move with liquidity conditions, monetary policy expectations, Hong Kong dollar funding demand, and broader market stress. A floating-rate product tied to HIBOR can therefore become more expensive if the benchmark rises.

What HIBOR Does Not Show

HIBOR should also be read in the currency context. It is a Hong Kong dollar benchmark, so it is most relevant when the borrowing, investment, or derivative exposure is tied to Hong Kong dollars rather than another currency.

HIBOR does not show the full credit risk of a borrower or the total cost of a loan. It is also not the same as a central bank policy rate. A benchmark rate can move differently from retail deposit rates, mortgage rates, or credit-card rates.

For U.S. readers, the main takeaway is structural: when a financial product references an outside rate, the index, margin, reset rules, and fallback terms all matter.

The Bottom Line

HIBOR is a Hong Kong dollar interbank benchmark rate used in financial contracts and floating-rate products. It matters when a loan, derivative, or investment is tied to Hong Kong dollar funding costs.

Related Terms