Bullion Premium Calculation Methodology

This page explains how GoldSilver.ai calculates premiums on physical gold and silver bullion products. It defines the formula, inputs, and interpretation used to measure the difference between retail bullion prices and global spot prices.

What Is a Bullion Premium?

A bullion premium is the additional amount paid above the underlying metal spot price when purchasing physical gold or silver. It represents the difference between the wholesale market value of raw metal and the retail price of a finished bullion product.

Physical bullion is typically sold at:

Spot Price + Premium = Retail Price

The premium reflects manufacturing costs, logistics, dealer margins, and supply-demand conditions in the physical market.

Absolute Premium Formula

The absolute premium measures the dollar value paid above spot price.

Premium = Retail Price − Spot Price

Percentage Premium Formula

Percentage premium allows comparison across products and dealers.

Premium % = (Retail Price − Spot Price) ÷ Spot Price × 100

Retail Price From Premium

Retail Price = Spot Price × (1 + Premium %)

Weight Adjustment

For products that are not exactly one troy ounce, spot price must be adjusted by metal weight.

Adjusted Spot Value = Spot Price per oz × Metal Weight (oz)
Premium = Retail Price − Adjusted Spot Value

Example Calculation

Spot gold price: $2,050
Retail coin price: $2,190
Premium = $140
Premium % = 6.83%

What Determines Premium Size?

  • Minting and refining costs
  • Shipping and insurance
  • Dealer operating margin
  • Product size and brand recognition
  • Supply and demand in the physical market

Sell-Side Premium (Dealer Buyback)

Dealers typically purchase bullion below spot price when buying from investors.

Sell Price = Spot Price − Dealer Margin

How GoldSilver.ai Calculates Premiums

  • Global spot price reference
  • Product fine metal weight
  • Dealer retail listing price
  • Currency normalization
  • Real-time updates

Interpretation for Investors

Lower premium does not always mean better value. Investors should consider liquidity, resale demand, product recognition, and dealer spreads when evaluating bullion pricing.

Compare Bullion Premiums

View live premiums across multiple dealers and products.

Compare Bullion Prices

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Disclaimer: Information on GoldSilverAI is for educational purposes only and is not intended as financial advice. Consult a professional advisor before making investment decisions.