Research Report: Hokusai Great Wave Art Auction Data Verification

This issue documents a cross-reference verification report for the artwork "Under the Wave off Kanagawa (The Great Wave)" by Katsushika Hokusai.

Summary

• Met Museum Object ID: 45434
• Artist: Katsushika Hokusai (Japanese, Tokyo (Edo) 1760-1849 Tokyo (Edo))
• Department: Asian Art
• Medium: Woodblock print; ink and color on paper
• Dimensions: 10 1/8 x 14 15/16 in. (25.7 x 37.9 cm)

Auction Record Verification

According to the MyModernMet article (https://mymodernmet.com/hokusai-great-wave-sothebys-hong-kong/), a well-preserved early print of The Great Wave was sold at Sotheby's Hong Kong in November 2025 for HK1.7 million (US.8 million), approximately three times the high estimate. The auction was part of the Masterpieces of Asian Art from the Okada Museum of Art.

Stock Indicator Context

Sony Group (SONY, NYSE) RSI(14-day) as of 2026-06-12: 39.86, indicating the stock was approaching oversold territory (below 40 threshold). RSI values for the 5 most recent trading days ranged from 39.86 to 53.56.

Data Verification Status

A verification report in the local data catalog confirms 8 datasets in data_sources.json are present in the filesystem, with Python packages pandas (2.3.1), numpy (2.3.1), scipy (1.16.0) available for analysis.