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Notes

Practical explanations of money supply, prices and exchange rates, with sources and calculators.

RetirementPensionsInflationM2Interest rates

MPF returns over 10 years: did they beat inflation and money supply in Hong Kong?

Chaining the MPF system's net returns for 2016-2025 gives about 4.47% a year: HK$1 million became about HK$1.55 million. Prices rose 18.3% and Hong Kong dollar M2 rose 53.2% over the same decade, so the MPF beat inflation comfortably but beat money supply by only about 1%, and only because of 2025. Year-by-year figures, what reaches your own account, and 2026 so far.

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AIInterest ratesBond yieldsInflation

Does AI spending push up interest rates? What reaches Hong Kong

Big Tech plans about US$720-745 billion of capital spending in 2026 and is borrowing heavily to fund it. US real 10-year yields rose 97 basis points this year while inflation expectations rose 11. Under the peg, Hong Kong imports the rate effect; the price effect is muted.

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Interest ratesExchange ratesJPYBond yields

Yen carry trade explained: what Japan at 3% means for Hong Kong

A yen carry trade borrows cheap yen to buy higher-yielding assets. On 5 August 2024 its unwinding sent the Nikkei down 12.4%; the Hang Seng fell 1.46%. Because the Hong Kong dollar is pegged, yen swings pass almost directly into HKD prices of Japanese goods and travel.

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Interest ratesM2Debt

Why a rate rise does not shrink the stock of money

The Fed raised rates on 16 September 2026, yet US M2 growth rose from 4.04% to 5.41% over the same months. A policy rate pushes a money stock in two opposite directions at once, and under the Linked Exchange Rate System Hong Kong receives that rate from outside.

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Interest ratesBond yieldsM2

Policy rates and ten-year yields across 11 markets

Hong Kong's ten-year yield of 3.85% sits below its Base Rate of 4.00%, a gap of minus 15 basis points. Only Hong Kong and Taiwan are inverted this way, and in Hong Kong the policy rate is set by a formula rather than by local conditions.

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