Sold by: ALT/FNDATA - Alternative Asset Data
Deployed on AWS
Global Astronomical Complication Index (ACI): 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 Astronomical Complication Index (ACI): luxury watch market data
The Global Astronomical Complication Index (ACI) 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 Astronomical Complication Index (ACI) 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/global-astronomical-complication-index-aci/
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). It is a free offering, so you pay nothing to gain access as a subscriber. There are no tiers, seat counts, or usage-based charges to compare. Access is granted per unit for subscribers. The single dimension gives you entry to the Global Astronomical Complication Index (ACI) data covered by this listing. Because pricing is free with one flat access dimension, there is no scaling logic based on volume, term length, or configurable quantity to weigh.
Top-of-mind questions for buyers
One unit grants a subscriber entry to the Global Astronomical Complication Index (ACI) dataset covered by this listing. Access is granted per subscriber under this single free dimension. There are no seat counts or usage meters attached to the unit.
The provider offers dataset access through a REST API returning JSON, along with SQL query options and warehouse shares. You provision an API key from the portal and pull structured records into your own systems. Data is normalized and mapped to a single schema across categories.
The dataset refreshes continuously as new auction and private-sale results are reported. Records are captured, classified, de-duplicated, and priced using nearest-date exchange rates before publication. This applies to the single free access dimension; there are no volume or term charges tied to updates.
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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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