Guides
Using auction price data inside your AI assistant
The ALT/FNDATA connector puts realized auction comparables, market statistics, price trends and single-item valuations into Claude, ChatGPT, Gemini and other AI assistants. These guides show how to put it to work, one use case at a time, with concrete prompts and what each answer looks like.
Wealth managers & family officesHow wealth managers and family offices value a client's collectible holdingsPut defensible, current values on a client's watches, jewelry, cars, art and wine. Use the ALT/FNDATA connector inside Claude, ChatGPT or Gemini to pull realized auction comparables with a source link on every figure.Read the guide →Jewelry & gem appraisersHow jewelry and gem appraisers pull auction comparables and replacement-value evidencePull comparable sales for a jewelry appraisal and assemble insurance replacement-value evidence. Use the ALT/FNDATA connector inside your AI assistant to query diamond, ruby, sapphire and signed-piece results, each with a source link.Read the guide →Watch dealers & appraisersHow watch dealers and appraisers pull comps and price trends by referencePull a tight comparable set and the price trend for a specific watch reference. Use the ALT/FNDATA connector inside Claude, ChatGPT or Gemini for realized results on references like the Rolex Daytona 116500LN or Patek Philippe Nautilus 5711, each with a source link.Read the guide →Classic-car appraisers & insurersHow classic-car appraisers and insurers find model-level values and track how prices movedSet agreed values and appraise classic cars on model-level market data and how prices moved. Use the ALT/FNDATA connector inside your AI assistant for realized collector-car results by marque and model, each with a source link.Read the guide →CollectorsHow collectors research a market and time a buy or sellResearch what something is really worth and whether to buy or sell now. Use the ALT/FNDATA connector inside Claude, ChatGPT or Gemini to pull realized auction prices, trends and a single-item check, each with a link to the sale.Read the guide →
The ALT/FNDATA connector is read-only and returns realized auction results across 20 categories from 650+ auction houses, normalized to USD, each with the auction house, sale date and a source link. All datasets · Methodology