LIVE TWO-METAL WORKSPACE · 60-SECOND REFRESH

Value gold and silver as one portfolio without mixing their price bases

By GoldObserve Research · Published and updated July 28, 2026

A gold and silver portfolio calculator converts both holdings to fine troy ounces, values each metal at its own same-currency price, subtracts the all-in cost basis and measures allocation by market value. The two metals must remain separate until the final total: one ounce of gold is not interchangeable with one ounce of silver, and a gold-silver ratio is not a portfolio allocation.

VALUEGold + silver

Each metal uses its own price and fine weight.

RETURNValue − cost basis

All-in acquisition cost makes the result more realistic.

ALLOCATIONValue weighted

Percentages are based on current metal value, not ounces.

SCENARIOTwo independent prices

Stress gold and silver without forcing the same move.

GOLD AND SILVER PORTFOLIO CALCULATOR

Track value, return, allocation drift and a conditional rebalance

Enter fine-metal holdings in troy ounces, grams or kilograms. Add the total cost basis for each metal, including purchase premiums and fees when known. Live mode requests source-labelled prices for gold and silver separately; manual mode supports a dated statement, dealer quote or personal scenario.

Combined precious-metals valueEnter valid holdings

gold connecting · silver connecting

DATA STATUS

Gold and silver source status

Gold and silver are requested, timed and failed independently. A valid observation for one metal never supplies or validates the other.

Gold XAU/USD referenceConnecting

Source: No provider
Observed: Observation time unavailable
Age: Checking age…
Delivery: No data layer available

Waiting for a source-labelled gold observation.

Silver XAG/USD referenceConnecting

Source: No provider
Observed: Observation time unavailable
Age: Checking age…
Delivery: No data layer available

Waiting for a source-labelled silver observation.

CurrencyGold amountGold amount unitGold all-in cost basisGold price per fine ozSilver amountSilver amount unitSilver all-in cost basisSilver price per fine oz

Enter non-negative holdings and cost bases, positive current and scenario prices, and a target allocation from 0% to 100%.

Metal value = fine troy ounces × price per fine troy ounce. Enter total all-in cost basis, including any premiums and fees you want reflected in return. One troy ounce equals exactly 31.1034768 grams.

CALCULATION ORDER

Convert mass first, value each metal second, combine last

ResultFormulaImportant boundary

Fine troy ouncesFine grams ÷ 31.1034768Use fine metal, not gross product weight

Metal valueFine oz × that metal's price/ozDo not apply the gold price to silver

Unrealized gain/lossCurrent combined value − combined cost basisCost basis should reflect acquisition economics

Gold allocationGold value ÷ combined valueThis is value weighted

Rebalancing shiftTarget gold value − current gold valueBefore spread, premium, tax and fees

WORKED EXAMPLE

Equal ounce counts can produce radically unequal allocations

Suppose an investor owns 10 fine ounces of gold and 10 fine ounces of silver. If gold is $3,000 per ounce and silver is $35 per ounce, the positions are worth $30,000 and $350. Gold is about 98.85% of the combined $30,350 value even though the ounce counts are equal.

01Gold: $30,000

10 fine oz × $3,000 per fine oz.

02Silver: $350

10 fine oz × $35 per fine oz.

03Combined: $30,350

Add values only after pricing each metal.

04Gold: 98.85%

$30,000 ÷ $30,350, not 10 oz ÷ 20 oz.

FINE METAL VS. GROSS PRODUCT

Coins and bars must be reduced to contained metal before valuation

The calculator expects fine-metal quantity. A one-ounce product label can describe gross weight, nominal fine content or a marketing name depending on the item. Use an official mint specification, assay or refiner documentation to determine fine gold or silver content.

InputUse it?Reason

Official fine-metal contentYesDirectly matches a fine-ounce market price

Gross weight × verified purityYesProduces fine-metal weight

Dealer's product name aloneVerify firstThe name may not establish purity or content

Face valueNoLegal-tender denomination is not metal weight

COST BASIS

Spot value is not the amount the position must recover

For economic return, cost basis should normally include the amount paid for the metal plus product premium, dealer or platform fee, payment cost, delivery, tax and any other acquisition expense the investor wants recovered. Ongoing storage and insurance can be recorded separately or added when the chosen accounting method supports it. Tax treatment varies by jurisdiction and is outside this calculator.

Metal referenceThe fine-metal market value at a documented observation.

Product premiumThe amount above contained metal value at purchase.

Acquisition feesPayment, delivery, platform, tax or other entered costs.

Ongoing carrying costStorage, insurance, financing and audit expenses may continue.

Exit spreadA buyer may pay below spot or charge assay and settlement fees.

Tax basisUse qualified local guidance; this tool does not prepare tax records.

ALLOCATION DRIFT

A stable ounce count does not produce a stable portfolio mix

Gold and silver can move by different percentages because their liquidity, investment demand, industrial exposure and volatility differ. The portfolio's allocation therefore changes even when no metal is bought or sold. A target percentage is a decision rule, not a forecast or claim that one metal is cheap.

ScenarioLikely allocation effectWhat to inspect

Gold outperforms silverGold weight risesRisk role, liquidity and rebalance threshold

Silver outperforms goldSilver weight risesIndustrial sensitivity and higher volatility

Both fallMix can still driftWhich metal lost more and why

Currency weakensBoth local values may riseLocal returns versus USD metal returns

REBALANCING LIMITS

The mathematical shift is not an executable trade

The worksheet calculates the value that would move the current portfolio to a target percentage while keeping total value unchanged. A real physical switch must sell one metal at a dealer's bid and buy the other at an all-in ask. Product divisibility, minimum order, tax, transport, assay, settlement time and custody can make the practical result materially different.

PHYSICAL REBALANCE CHECKNet sale proceeds from one metal ÷ all-in purchase cost of the other

Spot-to-spot arithmetic is a planning reference, not a dealer commitment.

PORTFOLIO REVIEW CHECKLIST

Record the facts before interpreting the percentage return

01Identify every bar, coin or account position and its verified fine-metal content.

02Convert gold and silver to fine troy ounces with the same mass convention.

03Record each price, currency, provider, timestamp and freshness status.

04Reconcile purchase invoices into an all-in cost basis for each metal.

05Measure allocation by current value rather than the number of ounces.

06Stress gold and silver separately; avoid forcing one common return assumption.

07Compare any rebalance with actual bids, asks, product sizes and tax consequences.

08Keep custody, insurance, counterparty and liquidity risk outside the price total.

SOURCES AND SCOPE

Market references, physical execution and investment decisions are different layers

NIST precious-metals conversion information for the exact troy-ounce and gram relationship.
LBMA daily auction price documentation for gold and silver benchmark timing and conventions.
CME Group's gold-silver ratio lesson for the standard same-unit relative-price calculation.
CFTC and FINRA precious-metals advisory for spread, fees, written terms and same-time buyback questions.

GoldObserve does not authenticate metal, reconstruct tax basis, recommend an allocation, forecast prices, quote an executable rebalance or guarantee provider availability. Results are calculations from visible inputs. Missing market observations remain unavailable rather than being invented.

RELATED TOOLS

Move from holdings value to product and relative-price analysis

FAQ

Gold and silver portfolio calculation questions

How do I calculate the total value of gold and silver?

Value each metal separately as fine ounces multiplied by its own same-currency price, then add the two results.

Should I compare gold ounces with silver ounces?

Not for allocation. One fine ounce is the same mass, but the metals have very different prices. Use market value percentages.

What belongs in cost basis?

For an economic-return worksheet, include the complete acquisition amount you want the position to recover. Seek local tax guidance for formal reporting.

Can the calculator tell me how much to rebalance?

It shows a value-neutral mathematical shift. Confirm actual dealer bids, asks, product sizes, fees and tax before trading.

Does a high gold-silver ratio mean I should own more silver?

No. The ratio describes relative price, not a guaranteed reversal, suitable allocation or expected return.

How often do live prices update?

Both metals are requested when the page opens and every 60 seconds in live mode. Their timestamps remain separate.

Gold and Silver Portfolio Calculator