Who We Are
An index built to be checked
Every auction write-up compares African art to stocks and gold. Almost nobody keeps the price record that comparison implies. So we are building it: sourced, public, and checked by people. We are a small team and new at this, which is exactly why the method is public. Using it should not depend on trusting us.
Coverage today
- 690
- Nigeria
- 921
- South Africa
- 144
- Other countries represented
- 767
- Auction records sourced
artists tracked
artists tracked
What we value
Provenance
Every figure links back to its sources, the model version behind it, and the person who approved it.
Never blended
We keep verified valuations and emerging momentum scores apart. Different data, different kind of estimate, different label.
Human review
Nothing publishes automatically. A person checks the sources and inputs first, every time.
What we've built
The Index
Coverage by market, and the method behind it, all in the open: how artists are scored and how to read the result.
The Valuation Engine
A hedonic model that puts verified prices in a range with a confidence interval, plus a momentum score for artists with a thinner auction record.
Advisory
A person who turns the same data into a shortlist for one specific collection.
Curator Review
The check every score goes through before it publishes. Someone reads the sources, the model inputs, and any doubt about the artist's identity, then logs the decision.
Disclosures, terms & privacy
Disclosures
Okasen is not a licensed investment advisor, and nothing on this site constitutes investment advice. Index valuations are statistical estimates derived from publicly sourced auction and gallery data; they are not appraisals and should not be relied on as the sole basis for a purchase, sale, insurance, or lending decision. Past transaction prices are not a guarantee of future value. Art is an illiquid asset class, and published liquidity scores reflect historical transaction frequency only.
Terms
Index data is made available for reference and citation. Commercial or systematic reuse of this site’s data requires prior written permission. Full terms are available on request via the contact page.
Privacy
Information submitted through this site (a consultation request, a contact message, or a newsletter subscription) is used only to respond to that request and is not sold or shared with third parties.