What Is Spot Price?
The spot price of a metal — gold, silver, or platinum — is the current market price for one troy ounce of that metal for immediate delivery. It's set by futures markets and reflects global supply and demand 24 hours a day, 5 days a week.
Spot price is the theoretical floor for physical metal. In practice, you will always pay more than spot when buying physical coins or bars. That difference is the premium.
What Is Premium?
Premium is the amount above the metal's melt value that a buyer pays. It covers the costs of minting, distribution, dealer margin, and market liquidity.
Premium % = (Asking Price − Melt Value) / Melt Value × 100
A positive result means you're paying above melt. A negative result means you're buying at a discount to melt (rare and desirable).
For example, if a 1 oz silver coin has a melt value of $32.00 and a dealer asks $36.00, the premium is ($36 − $32) / $32 × 100 = 12.5%.
Why Does Premium Vary So Much?
Several factors drive premiums higher or lower:
- Mintage and production cost: Coins with intricate designs and limited mintages (like American Silver Eagles) carry higher premiums than generic rounds.
- Liquidity: Popular items are easier to buy and sell, which tightens the spread. Obscure coins may carry a wider bid/ask spread.
- Collector demand: Morgan dollars command premiums over melt even in circulated condition because collectors want them — unlike generic 90% silver.
- Lot size: Buying a 100-coin lot of junk quarters typically gives you a better price-per-ounce than buying one roll.
- Market conditions: During periods of high demand (crisis buying, social media spikes), premiums balloon. During quiet periods they compress.
Typical Premiums by Coin Type
| Coin / Product | Typical Premium | Notes |
|---|---|---|
| 90% Junk Silver (dimes/quarters/halves) | 5–15% | Varies by lot size and dealer |
| Morgan / Peace Silver Dollars | 10–25% | Higher due to collector appeal |
| American Silver Eagle 1 oz | 15–30% | High retail demand, always premium |
| Silver Rounds / Generic Bars | 3–8% | Lowest premiums in silver |
| American Gold Eagle 1 oz | 3–6% | Liquid; tighter spread |
| American Gold Eagle 1/10 oz | 8–15% | Fractional = higher %premium |
| Pre-1933 Gold Coins (circulated) | 2–8% | Near melt for common dates |
| American Platinum Eagle 1 oz | 4–8% | Thinner market than gold/silver |
These are general market ranges. Actual premiums vary by dealer and market conditions.
Effective Spot Per Ounce
The most useful way to compare deals is effective spot per ounce — what you're actually paying per troy ounce of pure metal, regardless of coin type.
Effective Spot = Total Asking Price / Total Pure Metal Ounces
This lets you compare, say, a lot of war nickels against a lot of 90% quarters on a per-ounce basis. Whichever has the lower effective spot is the better deal, regardless of face value or denomination.
When Is a Premium Worth Paying?
Not all premiums are equal. There are situations where paying a higher premium makes sense:
- Liquidity: American Gold Eagles resell easily everywhere. An obscure world coin might be difficult to liquidate, even at a discount.
- Legal tender status: Some buyers prefer recognized government coins, which can carry a small liquidity premium in uncertain times.
- Fractional denominations: 1/10 oz gold costs more per ounce than 1 oz, but enables barter in small increments.
For pure melt-value investing (maximizing metal per dollar), generic silver rounds, junk silver, and 1 oz gold coins typically offer the lowest premiums.
Compare Deals in Real Time
The fastest way to evaluate whether a premium is fair is to compare multiple offers simultaneously. BullionAssistant's deal comparison tool lets you enter different lots side-by-side and instantly see premium %, effective spot per ounce, and which deal wins — all against live spot prices.