The Nikkei 225 fell 0.94% to 63,754.90 on Monday as a confirmed joint Japan-US yen-buying intervention sent the dollar down 2.12% to 156.79, pressuring exporters. Fanuc cratered 14% on heavy volume, the TSE short-selling ratio held at an elevated 45.4%, and the Nikkei VI jumped to a stressed 35.50.
The Nikkei 225 tells you what Japan’s most expensive stocks did; TOPIX tells you what the market did. A practical guide to price weighting, the NT ratio, and reading divergences between Japan’s two benchmark indices.
Tokyo returned from the long weekend buying what it had sold: the Nikkei 225 jumped 3.26% to 66,232.19 with Advantest and SoftBank Group leading, all 17 sectors advanced, and the TSE short-selling ratio fell to 31.9% — the least defensive reading in over a week.
The Nikkei 225 fell 4.03% to 64,141.12 on Friday as a global tech rout hit Japanese chip names, with SoftBank Group down 9% and Tokyo Electron down 8.2%. The TSE short-selling ratio, notably, sat at the low end of its recent range — pointing to long liquidation rather than fresh shorting.
The Nikkei 225 fell 2.79% to 66,835.54 on Thursday as semiconductor and AI names were sold hard on valuation concerns. Autos rallied on a steady 162 yen, the short-sell ratio held at 37.4%, and the Nikkei VI sat at an elevated 32.27.
The Nikkei 225 fell 1.92% to 67,242.73 on Monday as Middle East escalation and an Asia-wide rout hammered chip stocks, while banks led a small band of gainers. Short selling ran at 38.9% of TSE turnover and the Nikkei VI held at stressed levels.
Tokyo ended the week with a tech-led advance: the Nikkei 225 rose 1.20% to 68,557.73 on options SQ day, SoftBank Group jumped 10.65%, and the yen firmed to 161.67. Beneath the rally, the TSE short-selling ratio held at an elevated 41.6% and 43% of loanable issues carried squeeze premiums.