{"slug":"ona-b","artist_id":"77392ad9-4a2f-47b0-b65f-aa9457f66dc9","canonical_slug":"ona-b","name":"Ona B.","built_at":"2026-11-01","categories":[{"bucket":"Other","lots_n":5,"sold_n":2,"median_price_usd_minor":27590,"record_price_usd_minor":38100,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":1,"sell_through_pct":40,"last_sale_date":"2025-03-26","first_sale_year":2018},{"bucket":"Paintings","lots_n":5,"sold_n":5,"median_price_usd_minor":139700,"record_price_usd_minor":317500,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":0,"sell_through_pct":null,"last_sale_date":"2025-12-02","first_sale_year":2019},{"bucket":"Sculpture & Installation","lots_n":1,"sold_n":1,"median_price_usd_minor":50800,"record_price_usd_minor":50800,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":0,"sell_through_pct":null,"last_sale_date":"2025-03-26","first_sale_year":2025}],"sizes":[],"notable":[{"bucket":"Paintings","year":"2025","total_price_usd":317500,"priced_basis":"premium"},{"bucket":"Paintings","year":"2019","total_price_usd":270668,"priced_basis":"premium"},{"bucket":"Sculpture & Installation","year":"2025","total_price_usd":50800,"priced_basis":"premium"}],"last_sold":{"year":"2025","total_price_usd":317500,"priced_basis":"premium"},"upcoming_count":0,"content_modified":"2026-11-01","value_block_hash":"179a478b98afb02c10c39263da7579f254592b8a","value":{"slug":"ona-b","name":"Ona B.","as_of":"2026-11-02","newest_result_date":"2025-12-02","results_total":8,"houses_total":3,"first_year":2019,"median_24m":{"usd_minor":63500,"p25_usd_minor":50800,"p75_usd_minor":139700,"n":5,"basis":"premium"},"record":{"title":"Untitled","work_year":"1989","usd_minor":317500,"basis":"premium","sale_year":2025,"sale_month":"2025-12","house_name":"Sotheby's","lot_id":"542633b7-e68d-4078-af5d-1e3990314444"},"by_medium":[{"medium":"Paintings","n":6,"median_usd_minor":107443}],"by_size":[{"band":"Large (over 120 cm)","n":5,"median_usd_minor":139700}],"methodology_url":"https://www.openingbid.art/methodology/price-data","top10":{"originals":[{"rank":1,"title":"Untitled","work_year":"1989","medium":"Oil paint","usd_minor":317500,"basis":"premium","house_name":"Sotheby's","sale_month":"2025-12","lot_id":"542633b7-e68d-4078-af5d-1e3990314444"},{"rank":2,"title":"Untitled (oil on canvas)","work_year":"1987","medium":"Oil on canvas; framed","usd_minor":270668,"basis":"premium","house_name":"im Kinsky Auktionshaus","sale_month":"2019-12","lot_id":"f5214ae4-aeed-4fcc-a405-1bb00e487756"},{"rank":3,"title":"Untitled (oil on canvas, in 2 parts)","work_year":"1989","medium":"Oil on canvas, in 2 parts","usd_minor":139700,"basis":"premium","house_name":"Sotheby's","sale_month":"2025-07","lot_id":"8f811e5d-2d2c-4515-ae84-52b318550729"},{"rank":4,"title":"Untitled (oil on canvas)","work_year":"1984","medium":"Oil on canvas; framed","usd_minor":75186,"basis":"premium","house_name":"im Kinsky Auktionshaus","sale_month":"2020-03","lot_id":"eecbfc42-c8ba-4d68-9211-bcaf584ff12f"},{"rank":5,"title":"Untitled [Two Works]","work_year":"1989","medium":"Oil paint","usd_minor":63500,"basis":"premium","house_name":"Sotheby's","sale_month":"2025-03","lot_id":"080400bc-3338-42f4-8320-a2b3991fe303"},{"rank":6,"title":"Untitled (wood on metal base, in 4 parts)","work_year":null,"medium":"Sculpture","usd_minor":50800,"basis":"premium","house_name":"Sotheby's","sale_month":"2025-03","lot_id":"1ee13226-a20a-4609-97f4-08c2cb54b0c1"},{"rank":7,"title":"Untitled (oil and wood on canvas)","work_year":"1989","medium":"Painting","usd_minor":38100,"basis":"premium","house_name":"Sotheby's","sale_month":"2025-03","lot_id":"09ca814f-c89a-44b7-ba9a-87cfb3295279"}],"editions":[]},"paragraph":"As of 2 November 2026, OpeningBid has recorded 8 auction results for Ona B. at 3 houses since 2019. Over the last 24 months the median price was $635 including buyer’s premium (middle half $508–$1,397, n=5). The auction record is $3,175 for Untitled (2025, Sotheby's). Source: OpeningBid, an independent auction-results database.","title":"Ona B. value: auction records & prices (updated Nov 2026)"}}