Estate Collections, Not Speculation, Are Driving the 2026 Auction Boom, ARTnews Argues

An ARTnews analysis published 5 August 2026 argues that this year's high auction totals were fuelled more by extraordinary estate collections than by a return to the post-Covid speculative market. Sotheby's posted US$4.4 billion in first-half 2026 sales; two of its sales alone totalled US$706 million. The question ARTnews raises: what happens when the estate pipeline runs out?