How the Silver Price Is Set: LBMA Auctions and COMEX Explained

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Quick answer: The silver price you see quoted comes from two connected mechanisms working in parallel. The LBMA Silver Price runs once each London business day. It is an electronic auction administered by ICE Benchmark Administration, with 13 accredited direct participants matching buy and sell orders until supply and demand cross.

The COMEX silver futures market, part of the CME Group in New York, sets a continuous minute-by-minute price for standardized 5,000-ounce contracts. Arbitrage between the two markets keeps the LBMA benchmark and the COMEX curve tethered. Every quoted spot silver number a retirement saver sees traces back to one or both.

Short on time? The essentials

  • Two mechanisms set the global silver price together: the daily LBMA Silver Price auction in London and the COMEX silver futures market in New York.
  • The LBMA Silver Price is administered by ICE Benchmark Administration (IBA), with 13 direct participants that submit orders in the electronic auction.
  • The IBA platform is electronic, tradeable, auditable, and complies with the IOSCO Principles for Financial Benchmarks used across regulated benchmarks worldwide.
  • Physical settlement in London uses LBMA Good Delivery silver bars of about 1,000 troy ounces each, made by accredited refiners meeting weight, purity, and appearance standards.
  • The IRS references commodity contract-market delivery fineness in IRC 408(m)(3)(B), which is why IRA silver must be at least 999 fine.
  • Arbitrage between London spot and New York futures keeps the two quotes tied, so a dislocation in one usually closes within minutes on normal trading days.
  • These markets are actively policed: in 2020 the CFTC ordered JPMorgan Chase to pay 920.2 million dollars for spoofing across gold, silver, platinum, and palladium futures.
  • The quoted spot silver price is a wholesale reference, not the retail number a saver pays; dealer spread, custodian fees, and storage sit on top inside an IRA.
  • Nobody can predict where the silver price will go; the point of understanding the mechanism is to read quotes correctly, not to time the market.

This page unpacks the mechanics behind every silver price quote a retirement saver sees. Below we cover the daily London auction and the New York futures market. We then walk through the delivery standard that ties them to physical bars, the enforcement history that keeps them honest, and the reason the spot number is not the retail number you actually pay inside an IRA. Every figure traces to a primary source, cited inline.

What actually sets the silver price?

Two connected mechanisms set the wholesale silver price used across the world. The first is the LBMA Silver Price, a daily benchmark auction held in London. The second is the silver futures contract traded on COMEX, part of the CME Group in New York.

The LBMA auction produces one benchmark number each London business day. The COMEX contract produces a continuous minute-by-minute price during exchange trading hours. Together they anchor almost every other silver quote you see, from bank spot desks to online dealer pages.

A silver IRA saver rarely trades in either market directly. What matters is that the number a dealer quotes for physical bars or coins is built on top of these two, plus a retail premium. Understanding the mechanism helps you read the quote instead of guessing at it.

How the LBMA Silver Price auction works

The LBMA Silver Price is administered by ICE Benchmark Administration, known as IBA. The London Bullion Market Association owns the intellectual property. IBA runs the auction platform, publishes the settled price, and licenses its use for valuation and financial products.

IBA describes the platform in plain terms: "The platform is electronic, tradeable, auditable and in line with the IOSCO Principles for Financial Benchmarks" (source: LBMA, LBMA Silver Price, checked August 2026). Governance sits with the IBA Precious Metals Oversight Committee, which represents the broader gold and silver markets.

Thirteen direct participants have been on-boarded to contribute to the auction. LBMA lists them publicly. The group includes global banks such as HSBC Bank USA NA, JPMorgan Chase Bank N.A. London Branch, Goldman Sachs International, Morgan Stanley, Standard Chartered Bank, Citibank N.A. London Branch, and The Toronto-Dominion Bank. It also includes non-bank firms such as Jane Street Global Trading, DRW Investments, Marex, StoneX Financial, Koch Supply and Trading, and Coin 'N Things (source: LBMA, August 2026).

The mechanic itself is a simple electronic auction, described here in reader-friendly steps.

  1. The auction opens at a starting price. IBA publishes an opening indicative price for silver in U.S. dollars per troy ounce, based on prevailing market activity just before the auction starts.
  2. Direct participants submit buy and sell orders. The 13 accredited firms enter the volume they wish to buy or sell in troy ounces at that price, on behalf of themselves and their client base.
  3. The platform checks for imbalance. If aggregate buy orders and sell orders differ by more than a preset tolerance, the round is unbalanced and the price moves.
  4. The price adjusts and a new round opens. If buy orders outweigh sell orders the price rises for the next round; if sell orders lead, it falls. Participants can add, revise, or withdraw orders each round.
  5. The auction settles when supply and demand balance. The price at which aggregate buys and sells match within tolerance is published as that day's LBMA Silver Price in U.S. dollars, with derived reference values in other currencies.

Only accredited direct participants trade in the auction itself. Every other participant, from an ETF sponsor to a retail dealer, references the settled number afterward. That is why one LBMA Silver Price per business day gets embedded in thousands of downstream contracts.

Horizontal bar chart of IRS-recognized minimum fineness for IRA-eligible precious metals, which trace back to commodity-market delivery standards. Gold minimum fineness 99.5 percent. Silver minimum fineness 99.9 percent. Platinum minimum fineness 99.95 percent. Palladium minimum fineness 99.95 percent. Source Internal Revenue Code section 408 subsection m paragraph 3 subparagraph B and the IRS collectibles Issue Snapshot.
IRS-recognized minimum fineness for IRA-eligible metals under 26 U.S.C. Section 408(m)(3)(B), which references commodity contract-market (COMEX) delivery standards. IRA silver must be at least 99.9% fine. Sources: 26 U.S.C. Section 408(m); IRS collectibles Issue Snapshot. Checked August 2026.

How the COMEX silver futures market shapes the price

The COMEX silver contract is the second half of the price story. COMEX is a commodities exchange operated by the CME Group in New York. Its silver futures contract is one of the most heavily traded metals contracts in the world, and it is what most trading desks, funds, and hedgers use to lock in a silver price at a future date.

Unlike the LBMA auction, the COMEX futures market runs almost continuously through the trading day. Prices update minute by minute as buyers and sellers post bids and offers electronically. The result is a live curve of silver prices for contracts settling in different months.

Physical delivery is possible on the front-month contract at exchange-approved vaults. Delivery requires silver bars meeting the exchange's minimum fineness standard, which the IRS in turn references for IRA eligibility (source: 26 U.S.C. Section 408(m)).

The statute is specific. It refers to "any gold, silver, platinum, or palladium bullion of a fineness equal to or exceeding the minimum fineness that a contract market... requires for metals which may be delivered in satisfaction of a regulated futures contract." That commodity contract market is COMEX.

Most futures positions are closed before delivery, so the COMEX market is mostly a price-discovery and hedging mechanism. A small fraction of contracts settle in physical metal each month, and it is that thin sliver of real delivery that keeps the futures price honest.

Why the two prices track each other

The LBMA benchmark and the COMEX curve are not two separate silver prices. They are two windows onto the same global market, connected by arbitrage.

Large trading firms watch the London and New York quotes side by side. If London settles noticeably above the equivalent New York price on any given day, those firms have an incentive to sell into the higher market and buy into the lower one, closing the gap. That constant pressure keeps the two quotes tied within a narrow band on normal trading days.

When gaps do open, they usually reflect real friction: a bank holiday in one city, a burst of one-sided flow, or short-term shipping and financing costs on physical bars. Those gaps generally close within minutes on liquid days and can widen briefly during stress.

For a retirement saver, the practical takeaway is short. A silver quote from a serious source is anchored to either the last LBMA Silver Price or the current COMEX bid, and dealers layer their retail premium on top of one of those.

LBMA Silver Price vs COMEX silver futures at a glance
FeatureLBMA Silver PriceCOMEX silver futures
WhereLondon (electronic auction)New York (CME Group exchange)
AdministratorICE Benchmark Administration (IBA); LBMA owns the intellectual propertyCME Group; regulated by the U.S. Commodity Futures Trading Commission
FrequencyOne settled price per London business dayContinuous minute-by-minute pricing during trading hours
Direct participants13 on-boarded firmsAny qualified clearing member; a very large pool
Physical settlementLoco London Good Delivery silver bars, about 1,000 troy ounces eachDelivery of exchange-approved bars meeting the .999 fineness standard, in warrant lots
What retail savers seeThe daily benchmark quoted in valuations, ETF NAVs, and dealer sheetsThe live spot-equivalent number streamed on financial data feeds
GovernanceIBA Precious Metals Oversight Committee; IOSCO Principles for Financial BenchmarksCFTC oversight, CME self-regulation, exchange rulebook
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Sources: LBMA, LBMA Silver Price; 26 U.S.C. Section 408(m); CFTC Release 8260-20. Checked August 2026.

The LBMA Good Delivery standard and why an IRA saver should care

The physical side of both markets rests on the LBMA Good Delivery standard. LBMA sets the specification for the silver bars that trade in the wholesale London market and that settle deliveries in the COMEX system. The standard is what makes one refiner's 1,000-ounce bar interchangeable with another's.

LBMA states plainly that the requirements for a Good Delivery listed bar cover "Fine ounce weight; Purity; Physical appearance" (source: LBMA, About Good Delivery, checked August 2026). A silver Good Delivery bar weighs approximately 1,000 troy ounces. A refiner must also produce at least 50 tonnes of refined silver per year and hold a tangible net worth of at least 15 million pounds to be considered.

The connection to a silver IRA is direct. The IRS-recognized fineness minimum for IRA silver, 999 fine, is drawn from the commodity contract-market standard the statute references. That is the same standard the COMEX contract enforces on delivered bars, and it is compatible with the LBMA Good Delivery specification for silver. A saver whose IRA holds approved silver bars usually holds metal that meets, or that comes from a refiner accredited against, this standard.

How these markets are policed

Silver futures and the surrounding cash markets are actively policed. The Commodity Futures Trading Commission (CFTC) is the primary federal regulator for U.S. futures markets, including COMEX silver. It investigates and brings enforcement actions against manipulation, spoofing, and fraud.

The most consequential recent action names all four IRA-eligible metals. In September 2020 the CFTC issued an order against JPMorgan Chase and subsidiaries for spoofing spanning at least eight years. The conduct involved "hundreds of thousands of orders" placed with intent to cancel before execution across gold, silver, platinum, palladium, Treasury note, and Treasury bond futures (source: CFTC Release 8260-20, checked August 2026).

The total monetary relief was 920.2 million dollars, the largest CFTC monetary relief at the time. It broke down into 311.7 million dollars of restitution, 172.0 million dollars of disgorgement, and 436.4 million dollars of civil monetary penalty. Then-CFTC Chairman Heath P. Tarbert stated: "Spoofing is illegal, pure and simple."

The chart below shows how the total order broke down across the three categories.

Bar chart of the September 2020 CFTC order against JPMorgan for spoofing precious-metals futures, including silver futures. Restitution 311.7 million dollars. Disgorgement 172.0 million dollars. Civil monetary penalty 436.4 million dollars. Total 920.2 million dollars. Source CFTC Release 8260-20.
September 2020 CFTC order against JPMorgan Chase for spoofing in gold, silver, platinum, and palladium futures markets (among others). Total monetary relief: $920.2 million, the largest CFTC monetary relief at the time. Source: CFTC Release 8260-20. Checked August 2026.

Two points matter for a retirement saver reading this. First, the price you see today is set by markets that regulators do watch and do sanction when misconduct occurs. Second, one enforcement action does not tell you where the silver price is going next; it tells you the mechanism has guardrails, not a forecast.

Why the quoted spot price is not what you pay inside an IRA

The LBMA and COMEX numbers describe wholesale prices for large, standardized transactions. What a saver pays for physical silver inside an IRA is a different number. It is that wholesale price plus a retail premium and a stack of ongoing costs.

The retail premium is the dealer spread, the gap between what you pay for a coin or bar today and what a fair buyer would offer for the same piece the same day. On common .999 bullion the spread is typically a few percent above spot; on premium or numismatic coins it can run several times higher. On top of the spread come a one-time setup fee, an annual custodian fee, and an annual storage fee at the approved depository.

The calculator below estimates how those recurring fees compound against an account over time. Enter a balance and a fee rate to see the drag on returns, regardless of where the LBMA number closes tomorrow.

[gc_calc_fee_drag cta="0"]
Worked example

Picture a saver who buys 1,600 troy ounces of IRA-eligible silver inside a self-directed account. Assume, illustratively, that the LBMA Silver Price is 30 dollars per troy ounce that day. At the wholesale price, that metal is worth 48,000 dollars. In practice, none of that is what the saver pays.

  1. Wholesale reference: 1,600 ounces multiplied by 30 dollars equals 48,000 dollars at the LBMA number.
  2. Add a 6 percent retail premium (illustration): 6 percent of 48,000 dollars is 2,880 dollars, so the purchase costs 50,880 dollars.
  3. Add setup and first-year fees (illustration): a 50 dollar setup fee plus a 300 dollar annual custodian and storage bundle brings first-year outlay to about 51,230 dollars.
  4. Sell-side spread later: if the buy-back offer is 4 percent below spot on the same day, a hypothetical same-day exit at 30 dollars per ounce would net about 46,080 dollars, or a round-trip friction of roughly 5,150 dollars.

These figures are illustrative, not quotes from any company or a forecast of prices. They show why savers keep the account clean for a spouse or heirs by planning years, not weeks, and why the LBMA number alone never tells the whole cost story. This is an illustration, not financial advice; consult a licensed advisor for your situation.

The takeaway for a silver IRA saver is not to chase the spot number. It is to ask the dealer for the all-in cost against that day's LBMA reference, and to keep the account structure simple enough that you or your heirs can read it later. See silver IRA fees explained, segregated versus commingled storage, and IRA-eligible silver bars for the fee and product detail.

When ignoring the spot price is the sensible call

Understanding the LBMA and COMEX mechanism is useful. Trading on the daily wiggles is usually not. For several savers, watching the silver quote is the wrong use of attention, and saying so plainly is part of an honest guide.

It is usually a bad idea to react to short-term price moves in these situations:

  • You are still building the account. The dealer spread and annual fees dominate returns on a small balance. Timing the LBMA number on a small purchase saves cents while the fee stack keeps costing dollars.
  • Your horizon is short. If you may need the money within a few years, you cross the dealer spread again on exit. The spot number matters far less than that round-trip friction.
  • You are extrapolating one order or one week. An enforcement action, a single volatile day, or a headline about physical demand tells you nothing about where the price will be at your required minimum distribution date years from now.
  • You are chasing a guaranteed return. Nobody can predict where the silver price will go. A pitch that promises timing gains is the pattern regulators have acted on, not a strategy.

If one of these describes you, ignoring the daily quote is the calm and sensible call. There is no rush and there is no CTA in this section on purpose.

Silver price questions, answered

How is the silver price set?

The wholesale silver price is set by two connected mechanisms. The LBMA Silver Price runs once per London business day as an electronic auction administered by ICE Benchmark Administration, with 13 accredited direct participants. The COMEX silver futures market, part of CME Group in New York, sets a continuous minute-by-minute price for standardized 5,000-ounce contracts. Arbitrage keeps the two quotes tied.

Who administers the LBMA Silver Price?

ICE Benchmark Administration, known as IBA, administers the LBMA Silver Price. The London Bullion Market Association owns the intellectual property in the benchmark. IBA runs the auction platform, publishes the settled number, oversees participant conduct, and licenses the price for use in valuation and financial products.

How many direct participants are in the LBMA Silver Price auction?

Thirteen direct participants are on-boarded to contribute to the LBMA Silver Price. The list is published by LBMA and includes global banks and non-bank trading firms. Every other user of the benchmark references the settled number afterward rather than trading in the auction itself.

What is a COMEX silver futures contract?

A COMEX silver futures contract is a standardized agreement to buy or sell 5,000 troy ounces of silver at a fixed price on a future date, traded on CME Group's COMEX exchange in New York. Contracts can be closed before expiry or settled with physical delivery of exchange-approved bars meeting the 999 fineness standard.

Why do LBMA and COMEX silver prices track each other?

They track each other because large trading firms arbitrage differences between London and New York in real time. If one market drifts noticeably from the other, those firms sell the higher price and buy the lower one until the gap closes. Small differences remain to reflect financing, shipping, and time-of-day trading conditions.

Is the spot silver price the same price a retail saver pays?

No. The spot silver price is a wholesale reference for large, standardized transactions. A retail buyer pays that number plus a dealer premium on the coin or bar, and inside a silver IRA also pays setup, custodian, and storage fees. Ask any dealer for the all-in cost against the current LBMA reference before you commit.

How is the silver market policed?

The U.S. Commodity Futures Trading Commission is the primary regulator of COMEX silver futures. In September 2020 the CFTC ordered JPMorgan Chase to pay 920.2 million dollars for spoofing across gold, silver, platinum, palladium, and Treasury futures over eight years. That was the largest CFTC monetary relief at the time. The LBMA benchmark is separately overseen by IBA's Precious Metals Oversight Committee and complies with the IOSCO Principles for Financial Benchmarks.

Does knowing how the silver price is set help me time an IRA purchase?

Not reliably. Nobody can predict where the silver price will go. Understanding the mechanism helps you read quotes correctly and compare dealer premiums to a real reference, but it does not turn short-term price moves into a strategy. The fee stack and holding horizon usually matter more for retirement outcomes than the LBMA number on any given day. Consult a licensed advisor before making retirement decisions.

Sources

  1. London Bullion Market Association, LBMA Silver Price (administrator, participants, governance). Checked August 2026.
  2. London Bullion Market Association, About Good Delivery (silver bar specification of approximately 1,000 troy ounces; refiner requirements). Checked August 2026.
  3. Cornell Legal Information Institute, 26 U.S.C. Section 408 (statutory reference to commodity contract-market fineness). Checked August 2026.
  4. Internal Revenue Service, Investments in collectibles in individually directed qualified plan accounts (Issue Snapshot). Checked August 2026.
  5. U.S. Commodity Futures Trading Commission, Release 8260-20 (JPMorgan spoofing order, 2020). Checked August 2026.
  6. U.S. Commodity Futures Trading Commission, home page (regulator of U.S. futures markets including COMEX silver). Checked August 2026.
Peter gold expert at Whitemetalres.com

About the author

Peter is a seasoned analyst with a deep understanding of the precious metals market. He specializes in providing readers with up-to-date information and expert analysis on the latest trends in gold, silver, platinum, and palladium. His passion for the industry and dedication to research make him a valuable asset to the team and a trusted source of information for our readers.

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