Sold by: ALT/FNDATA - Alternative Asset Data
Deployed on AWS
Global Grand Complication Watch Appreciation Index (GCAI): a daily market-performance index for this segment of the luxury watch market, built on ALT/FNDATA's dataset of over 600,000 watch lots across 240+ auction houses and marketplaces, 1992 to present. Use it for benchmarking, research and portfolio construction.
Overview
Global Grand Complication Watch Appreciation Index (GCAI): luxury watch market data
The Global Grand Complication Watch Appreciation Index (GCAI) delivers daily index values tracking this segment of the luxury watch market on a consistent methodology, so you can benchmark performance and study trends over time.
The index is built on ALT/FNDATA's luxury watch sales data, drawn from auction houses, online marketplaces, dealer listings and catalogues worldwide (over 600,000 lots across 240+ houses, 1992 to present, with 330,000+ realised prices). Index values come in JSON, CSV and SQL table formats and update daily.
What you can do with this data
- Benchmarking: measure this watch segment against the wider market.
- Portfolio construction: use index values as an alternative-asset factor.
- Research and reporting: track trends over time on a consistent methodology.
- Product and pricing: ground positioning and appraisals in real market data.
Dataset facts
- Data formats: JSON, CSV, SQL tables
- Geographic coverage: Global (North America, Europe, Asia)
- History: 1992 to present
- Update frequency: Daily
- Update type: Incremental
- Sources: Auction houses, online marketplaces, dealer listings, catalogues
- Provider: ALT/FNDATA (Oarbt Inc.)
More ALT/FNDATA data on AWS Data Exchange
ALT/FNDATA publishes 20+ single-brand watch sales feeds, 25+ watch market indices, and an all-brands luxury watch feed on AWS Data Exchange. Search "ALT/FNDATA" to see the full catalogue.
Getting started
For help evaluating the Global Grand Complication Watch Appreciation Index (GCAI) for your use case, or to discuss coverage and integration, contact the ALT/FNDATA data team at info@altfndata.com .
Full dataset overview and coverage detail: https://altfndata.com/data-exchange/grand-complication-watch-appreciation-index-gcai/
Highlights
- Daily market-performance index for this watch segment, built on 600,000+ lots across 240+ houses and marketplaces.
- Grounded in realised auction and online prices, 1992 to present, with 330,000+ priced lots. Delivered in JSON, CSV and SQL formats.
- One of 25+ ALT/FNDATA watch indices on AWS Data Exchange, alongside single-brand watch sales feeds.
Details
Delivery method
Deployed on AWS
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Dimensions summary
This listing has one pricing dimension: Product Access (Units), offered at no cost. It grants subscribers access to the Grand Complication Watch Appreciation Index data. There are no tiers, instance sizes, or usage add-ons to choose between. You get access through a single flat option. Pricing does not scale with volume or seats under this dimension. The unit measures product access granted to each subscriber.
Top-of-mind questions for buyers
One unit grants a subscriber access to the Grand Complication Watch Appreciation Index (GCAI) data. It represents access at the account level rather than a physical server or resource. The listing meters access itself, not data volume, so a single unit covers your subscription to this dataset.
No. This dimension is offered at no cost, so your bill does not change with query volume or the number of people using it. There are no included-amount cutoffs, overage points, or tier boundaries under this single access dimension to trigger a cost change.
Access covers watch appreciation index data grounded in auction and private-sale records across major watch houses and the wider secondary market. The underlying data is currency-normalized and refreshed continuously as new results come in. It tracks realized results rather than asking prices or estimates.
www.altfndata.com
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Delivery details
AWS Data Exchange (ADX)
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Additional details
You will receive access to the following data sets.
Data set name | Type | Historical revisions | Future revisions | Sensitive information | Data dictionaries | Data samples |
|---|---|---|---|---|---|---|
Historical + Real-time Luxury Watch Auction Sales by Lot (Christie’s, Sotheby’s, Bonhams, Phillips) | Last 1 revisions | All future revisions | Not included | Not included |
Resources
Vendor resources
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