Observe · Regulate · Protect — since 2007. 19th OIMAP General Assembly: Singapore, 10–12 June 2026. Programme
Market

Sector studies

The Observatory's six annual studies: segments, regions, regulation and major market themes.

Updated : October 28, 2026· 3 min read

Getting to the bottom of a subject

Leaf from a Lectionary with St. Luke (1057–1063)
Leaf from a Lectionary with St. Luke (1057–1063)

Every year, the Observatory publishes six sector studies of thirty to sixty pages. Each explores a segment, a region or a theme in depth: price formation, restitutions, online sales, the tribal art market.

They rely on the Observatory's data, enriched by interviews, surveys and legal analyses. They are reviewed by outside experts and published with their data.

This page presents the method, the calendar and recent studies.

  • Studies
  • Sectors
  • Analysis

Sector studies in figures

6Studies per year
30 to 60Pages
4.8 / 5Reader satisfaction rating
21Studies since 2021

Source: OIMAP Observatory.

Breakdown

Segments34%
Regions24%
Cross-cutting themes28%
Regulation14%

Subjects of studies since 2021.

A five-step method

The subject is chosen by the scientific council, after consulting users. A lead analyst draws up a plan, collects the data, conducts interviews and writes the study. Two outside reviewers, specialists in the subject, give their comments.

The study is then finalised, published with its statistical annexes, and presented at a public seminar. Participants can ask questions and suggest follow-ups.

Qur'an Manuscript Folio (recto; verso); Left side of Bifolio (800s)
Qur'an Manuscript Folio (recto; verso); Left side of Bifolio (800s)
Mercury (Budha), from a Mandi Astrology Series, Sanju (c. 1810)
Mercury (Budha), from a Mandi Astrology Series, Sanju (c. 1810)
Missale: Fol. 185v: Crucifixion with borders  (full page), Bartolommeo Caporali (1469)
Missale: Fol. 185v: Crucifixion with borders (full page), Bartolommeo Caporali (1469)

A few recent studies

The study on the certification premium showed that lots accompanied by an OIMAP certificate sell on average 7% higher. The one on online sales highlighted the rise of buyers from Asia-Pacific. The study on restitutions analysed 847 cases since 2012.

Other studies cover the tribal art market after restitutions, price guarantees in major sales and the conservation conditions of works on paper. All are freely accessible.

Studies and training

The sector studies serve as course materials in many universities and schools. The Observatory provides teachers with teaching sheets, ready-to-use datasets and corrected exercises.

Students can also find dissertation and thesis topics there. An annual research grant supports three works using the Observatory's data.

Recent studies

Five recent studies
FinenessYearPagesTheme
The certification premium202446Prices and trust
Online sales in Asia-Pacific202438Regions
Restitutions: a twelve-year review202358Heritage
Price guarantees and major sales202334Operators
Preserving works on paper202230Conservation

Landmarks

  1. Choice of subject

    Scientific council.

  2. Collection

    Data and interviews.

  3. Writing and review

    Outside reviewers.

  4. Publication

    Public seminar.

Suggesting a subject

Public study or tailor-made study

Woman Sitting Reading , Georges Lemmen (1905)

Public study

Chosen by the council
  • Free
  • Open data
  • Published on a fixed date

For everyone.

Hours of Queen Isabella the Catholic, Queen of Spain, Master of the First Prayerbook of Maximillian (c. 1500)

Tailor-made study

Commissioned by a client
  • Invoiced at cost
  • Defined scope
  • Published after six months

For specific needs.

Chemin de fer de Toulouse à Bayonne. Pont de l'Aran (en trois arches de 17m d'ouverture chacune). Situation des travaux au 21 juillet 1861, Édouard Baldus (1861)
Chemin de fer de Toulouse à Bayonne. Pont de l'Aran (en trois arches de 17m d'ouverture chacune). Situation des travaux au 21 juillet 1861, Édouard Baldus (1861)
Leaf from a Psalter and Prayerbook: Calendar Page with Labors (recto) and Calendar Page with Peasant (verso) (c. 1524)
Leaf from a Psalter and Prayerbook: Calendar Page with Labors (recto) and Calendar Page with Peasant (verso) (c. 1524)
High Class Students and Teachers at Bishop Cotton School, Shimla (verso), Raja Deen Dayal (c. 1882–87)
High Class Students and Teachers at Bishop Cotton School, Shimla (verso), Raja Deen Dayal (c. 1882–87)

Following a study from start to finish

  1. Announcement

    Annual programme.

  2. Consultation

    Contributions from users.

  3. Publication

    Going online.

  4. Seminar

    Public presentation.

  5. Follow-up

    Feedback and corrections.

Making good use of a study

A researcher

St. Catherine of Siena and the Beggar, Giovanni di Paolo (1460s)
« The sector studies are a first-rate source. They contain what no commercial report publishes: the method and the data. »
Prof. Elena Rossi, art market historian

Vocabulary of studies

Certification premium
Price difference linked to a certificate.
Price guarantee
Commitment by a house to the seller.
Outside reviewer
Expert independent of the Observatory.
Seminar
Public presentation meeting.

Frequently asked questions

Are the studies free?

Yes.

Can the data be obtained?

Yes, attached to each study.

How can I suggest a subject?

Through the contact form.

Where can I see the full list?

In the publications archives.

Useful documents

Contacts

A Palace with an Arched Bridge (A Roman Villa), Hubert Robert (1760)
A Palace with an Arched Bridge (A Roman Villa), Hubert Robert (1760)
OIMAP ObservatoryParis — Headquarters+33 1 00 00 01 00observatoire@oimap.exampleMonday to Friday, 9 am – 5 pm

Download the data

The Triumph of Mordecai, Lucas van Leyden (1515)

The Observatory's open databases.

Databases
Image credits (16)
▲