Data methodology

Sources and how they are used

A source only influences the public rate when its latest observation passes freshness, validation and outlier rules.

official reference

Central Bank of Sri Lanka

Official benchmark kept separate from the local market calculation and used as a validation guardrail.

Open source
jewellery market

Devi Jewellers

Local jewellery-market source that can contribute when its latest observation is fresh and valid.

Open source
jewellery market

Alawdeen Jewellers

Local jewellery-market source that can contribute when its latest observation is fresh and valid.

Open source
jewellery market

Ravi Jewellers

Local jewellery-market source that can contribute when its latest observation is fresh and valid.

Open source
jewellery market

Saravanas Jewellers

Local jewellery-market source that can contribute when its latest observation is fresh and valid.

Open source
jewellery market

Sujani Jewellers

Local jewellery-market source that can contribute when its latest observation is fresh and valid.

Open source
Public-source ruleDisabled sources are hidden publicly. Enabled sources still need to pass freshness, validation and outlier checks before they can influence a published market rate.
Share rates