Rare Book & Manuscript Index (RBMI)
Rare Book & Manuscript Index (RBMI): a daily market-performance index for rare books and manuscripts, built on ALT/FNDATA's dataset of over 780,000 lots across 350+ auction houses since 2001, with 490,000+ realised prices. Rare and antiquarian books, first editions, manuscripts and autograph letters, maps and atlases, comic books, periodicals and prints. Daily index values.
What this listing delivers
- Daily market-performance index for rare books and manuscripts, built on 780,000+ lots across 350+ auction houses since 2001.
- Rare and antiquarian books, first editions, manuscripts and autograph letters, maps and atlases, comic books, periodicals and prints. Delivered in JSON, CSV and SQL formats.
- Anchor of a family of rare books and manuscripts indices on AWS Data Exchange. Daily-updated index values.
Coverage & methodology
The Rare Book & Manuscript Index delivers daily index values tracking the rare books and manuscripts market on a consistent methodology, for benchmarking, valuation and research. The index is built on ALT/FNDATA's rare books and manuscripts sales data (over 780,000 lots across 350+ auction houses since 2001, with 490,000+ realised prices). Index values come in JSON, CSV and SQL formats and update daily.
Access
This dataset is published on AWS Data Exchange as part of the ALT/FNDATA catalogue. For subscription terms, a data sample, delivery format and enterprise licensing, contact our data team and we will get you set up directly.
Start with the Rare Books & Manuscripts data today.
Create a free account to explore books & manuscripts pricing in the app, or talk to us about API access and licensing for your team.
Source: ALT/FNDATA, 19.24M realized auction results across 37 collectible categories, normalized to USD. Featured lot images courtesy of the auction houses named. Methodology · All datasets · Brands · Market statistics