Alt/Finance tracks verified transaction data across 9 alternative asset categories from 200+ auction houses worldwide. This page provides a complete breakdown of our coverage by asset class, source, geography, and field availability.
Last updated: May 2026
| Asset Class | Total Records | Brands / Artists | Auction Sources | Earliest Data | Dense Coverage | Market Coverage | Update Frequency |
|---|---|---|---|---|---|---|---|
| Luxury Watches | 1,000,000+ | 640+ brands | 200+ | 1889 | 2000–present | 95% | Daily |
| Jewelry & Gemstones | 1,200,000+ | 560+ brands | 200+ | 1896 | 2000–present | 88% | Daily |
| Fine Art | 500,000+ | 10,000+ artists | 150+ | 2000 | 2000–present | 70% | Daily |
| Classic Cars | 300,000+ | 200+ marques | 150+ | 1976 | 2000–present | 94% | Daily |
| Luxury Handbags | 200,000+ | 322+ brands | 100+ | 2006 | 2006–present | 95% | Daily |
| Wine & Spirits | 200,000+ | 3,000+ types | 50+ | 1999 | 1999–present | 95% | Daily |
| Aircraft & Jets | 50,000+ | 2,000+ models | 30+ | 2011 | 2011–present | 85% | Daily |
| Motorcycles | 50,000+ | 1,500+ models | 80+ | 2006 | 2006–present | 80% | Daily |
| Collectibles | varies | varies | varies | varies | varies | varies | Daily |
Total: 3.5M+ verified transaction records across all categories
Full vendor list available upon request or via the Data Sandbox.
Our data spans auctions conducted in 40+ countries. Major concentration in:
UK, France, Switzerland, Germany, Italy, Austria, Netherlands, Denmark, Spain
USA (New York, Los Angeles, Chicago, Scottsdale), Canada
Hong Kong, Japan, China, Australia, Singapore
UAE, Saudi Arabia
Global online-only sales from all major and specialist houses
Every transaction record includes the following core fields. Field availability varies by category and source.
Automated capture from published auction results. Every record is a verified published result — no estimated or scraped prices.
AI-assisted categorization with human review. Items are classified by category, brand, item type, and material using Gemini vision models and rule-based enrichment.
Every record passes through a staging environment with automated data quality checks before entering production tables.
All prices converted to USD using nearest-date FX rates from a 27-currency reference table (1999–present). Original currency is always preserved.
Every brand is linked to its parent company through a curated reference table of 5,300+ entries, enabling cross-referencing with equity data.
Lot-URL-based deduplication ensures no double-counting from overlapping sources or re-listed items.
Automated daily pipeline. New auction results available within 24 hours of auction close across all 9 categories.
| Method | Best For | Format |
|---|---|---|
| REST API | Programmatic queries, filtered access | JSON |
| Dashboard | Visual analytics, market monitoring | Interactive charts |
| Bulk Feeds | Data warehouse ingestion, backtesting | CSV, JSON, Parquet |
| AWS Data Exchange | AWS-native data pipelines | Parquet |
| Claude AI (MCP) | Ad-hoc research, natural language queries | Conversational |
| Data Sandbox | Evaluation, schema exploration | SQL editor + samples |
API documentation: docs.altfndata.com | Free sandbox: sandbox.altfndata.com