Gold Price Per Ounce Today
Track the live gold spot price per troy ounce in USD. Real-time XAU/USD data from COMEX with interactive charts updated every minute.
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Understanding the Troy Ounce Gold Price
The gold price per ounce is the standard international quote, represented as XAU/USD under the ISO 4217 currency code system. COMEX serves as the world's largest gold futures market, with the troy ounce as the universal trading unit for investment-grade gold.
- Spot price is the current price for immediate delivery, updated continuously
- COMEX gold futures contract (GC) represents 100 troy ounces
- LBMA benchmark is set twice daily by major bullion banks in London
- Most gold coins (Eagles, Maples, Krugerrands) are denominated in troy ounces
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Frequently Asked Questions
What is the gold price per ounce today?
The gold price per troy ounce changes constantly during market hours. Visit our live gold chart for real-time XAU/USD prices updated every minute from COMEX spot data. Gold trades nearly 24 hours on weekdays.
What is the difference between a troy ounce and a regular ounce?
A troy ounce equals 31.1035 grams, while a regular (avoirdupois) ounce equals 28.3495 grams. Gold is always measured in troy ounces. This means a 1 oz gold coin actually weighs about 10% more than a 1 oz kitchen measurement.
Why do gold prices change every minute?
Gold prices change continuously because gold futures trade nearly 24/5 on COMEX (6 PM - 5 PM ET, Sunday-Friday). Prices respond to economic data releases, central bank decisions, geopolitical events, currency movements, and supply/demand changes in real-time.
How much does a gold bar cost?
Gold bar prices depend on size. A standard 1 oz bar costs the spot price plus a small dealer premium (typically 1-5%). A 10 oz bar, kilo bar (32.15 oz), or 100 oz bar will have progressively lower premiums per ounce. The COMEX deliverable 100 oz bar is the most cost-efficient.