Sources & Methodology

Where StackUlator’s market information, specifications and educational references come from.

Live prices and calculations

Current and historical prices are supplied by an independent third-party market-data service. StackUlator processes that feed on its own server before displaying it. Calculations, ratios, premiums and educational explanations are produced by StackUlator.

Prices can differ slightly among markets and dealers because of timing, spreads, exchange rates and product premiums. Nothing on this site is financial advice.

Reference organizations

USUnited States Mint
CARoyal Canadian Mint
UKThe Royal Mint
ATAustrian Mint
AUThe Perth Mint
ZASouth African Mint
LBLondon Bullion Market Association
ANAAmerican Numismatic Association

See Sources & Methodology for data notes and reference organizations.