Tracks the performance of an artwork against its maximum and minimum estimate across time. For example a realized price above the maximum estimate indicates overperformance of the artwork
BANKSY b.1974 GIRL WITH BALLOON Screenprint in colors, 2004, inscribed聽'AP DN' in pencil and numbered 112/600, on wove paper, with the blindstamp of the publisher, Pictures on Walls, London, framed sheet: 659 by 499 mm 25鈪 by 19鈪 in