The AMR All Art index measures the performances of artworks sold by leading global auction houses (such as Christie's, Sotheby's, Phillips, Bonhams, etc.). The index is calculated based on an algorithm, the so-called Artist Price (AP), that determines the average value of an artist. More information on the AMR All Art Index can be found .
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AMR All Art Index: price index of artworks sold at auction worldwide 1978-2025
The price index of artworks sold at auction worldwide declined in 2025 over the previous year. As of January 1, 2025, the AMR All Art Index, which measures the performances of artworks sold at the leading global auction houses, was *, decreasing from * in the same period of 2024.
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Art Market Research. (May 6, 2025). Price index of artworks sold at auction worldwide from 1978 to 2025 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 24, 2026, from /statistics/1396510/price-index-art-worldwide/
Art Market Research. "Price index of artworks sold at auction worldwide from 1978 to 2025." Chart. May 6, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 24, 2026. /statistics/1396510/price-index-art-worldwide/
Art Market Research. (2025). Price index of artworks sold at auction worldwide from 1978 to 2025. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 24, 2026. /statistics/1396510/price-index-art-worldwide/
Art Market Research. "Price Index of Artworks Sold at Auction Worldwide from 1978 to 2025." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 6 May 2025, /statistics/1396510/price-index-art-worldwide/
Art Market Research, Price index of artworks sold at auction worldwide from 1978 to 2025 ÌÇÐÄÆƽâ°æ, /statistics/1396510/price-index-art-worldwide/ (last visited July 24, 2026)
Price index of artworks sold at auction worldwide from 1978 to 2025 [Graph], Art Market Research, May 6, 2025. [Online]. Available: /statistics/1396510/price-index-art-worldwide/
