The article reports that the New York Spring Marquee auctions in May 2025 generated $1.27 billion, an 8% decline from $1.38 billion in May 2024, followed by a 26% drop in London June auctions to £98 million. In response to this volatile market, auction houses like Christie’s and Sotheby’s are increasingly relying on third-party guarantees (or irrevocable bids), where a buyer agrees in advance to purchase a lot at a set price if no higher bid emerges. Data from Pi-eX Ltd shows that third-party guarantee coverage surged from near zero in 2021 to a record 73% in May 2025, with the Leonard & Louise Riggio collection being 99% backed by such guarantees.
This shift matters because it fundamentally alters the nature of art auctions from open, competitive marketplaces to pre-scripted performances where outcomes are often negotiated in advance. While guarantees reduce financial risk for auction houses and consignors, they also raise questions about market transparency and the authenticity of bidding dynamics. The trend underscores how the high-end art market is adapting to a downturn, with houses prioritizing safety over spontaneity, and highlights the growing power of third-party guarantors in shaping sale results.