K&J Stack
Track bullion, coins, jewellery & scrap by live melt value.
Private by design: your portfolio is stored in this browser on this device. K&J Stack does not require an account or upload your holdings to our server.
Portfolio value£0.000 g pure metal
Total cost£0.00Your recorded purchase cost
Unrealised P&L£0.000.00%
Holdings0Individual collection entries

Collection performance

Your holdings and chart history are stored privately in this browser. Export a backup if you want to move them to another device or protect against browser-data deletion.

Live market prices

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Gold, silver, platinum and palladium are displayed as spot price per troy ounce.

Your collection

Profit & loss by holding

Market data settings

Gold, silver, platinum and palladium are fetched automatically from a single precious-metals feed. Copper tracking has been removed.

Precious-metal melt value tracker

K&J Stack helps collectors estimate the melt value of gold, silver, platinum and palladium holdings using current spot-price data. Add bullion, coins, jewellery or scrap, select the purity and weight, and compare the estimated metal value with the amount you paid.

Melt value is an estimate of the value of the contained precious metal. It is not the same as a dealer's buying price or a collectible coin's retail value. Premiums, condition, rarity, assay costs, dealer margins and market liquidity can all affect an actual sale price.