Sources & data freshness

Every important number
has a source.

Released tools display the issuing authority, verification date and applicable data period beside the result. Missing data is never replaced with a guessed value.

MAS01

Monetary Authority of Singapore

Mortgage limits, T-bill auctions and Singapore Savings Bond data.

Official primary source
CPF02

Central Provident Fund Board

Contribution rates, wage ceilings, account allocation and interest settings.

Official primary source
IRAS03

Inland Revenue Authority of Singapore

Income tax, Buyer's Stamp Duty, Seller's Stamp Duty and SRS rules.

Official primary source
HDB04

Housing & Development Board

Applicable housing policies and public-housing references.

Official primary source
Data freshness

Refresh timing follows the data.

Auction results, bond issues and statutory tables do not share one update schedule. Each tool displays its own verification status.

Auction and issue dataAfter each publication
Statutory rates and limitsWhen the authority updates them
User-entered ratesEvery calculation
Source unavailableUnavailable, never guessed
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