Tokyo pares a 1,300-point rally but keeps the gain
The Nikkei 225 closed Wednesday, October 21 at 64,621.24, up 0.85% (541.66 points), after an intraday advance of more than 1,300 points ran into profit-taking resistance near the 65,000 threshold. TOPIX, tracked here via the 1306 ETF proxy, added 0.90%. The session was a rebound from earlier-week selling tied to global inflation worries and rising bond yields, helped along by Wall Street’s overnight tech recovery — the S&P 500 closed Tuesday at 7,712.57 (+0.28%), and futures added another 0.48% during Tokyo hours — plus a yen that remains friendly to exporters at 158.17 per dollar (the yen firmed fractionally on the day, -0.23% on USD/JPY).
The session: financials do the lifting, index heavyweights mixed
| Name | Close | Day |
|---|---|---|
| MUFG (8306) | 3,431.00 | +2.39% |
| Advantest (6857) | 34,440.00 | +1.68% |
| SoftBank Group (9984) | 4,622.00 | +1.49% |
| Sony (6758) | 4,012.00 | +1.31% |
| Tokyo Electron (8035) | 10,160.00 | +0.74% |
| Fast Retailing (9983) | 75,210.00 | -0.20% |
| Toyota (7203) | 3,094.00 | -0.26% |
Within the TOPIX-17 complex (Nomura NEXT FUNDS ETF proxies, which can deviate slightly from official sector indices), 13 of 17 sectors advanced. Steel & Nonferrous led at +2.44% — a bounce rather than a trend change, as the sector is still down 9.8% over five days — followed by Banks (+2.39%) and Financials ex-Banks (+1.79%). Energy Resources (-1.39%), Retail (-1.07%) and Foods (-0.36%) lagged, a notably defensive-sector underperformance on a risk-on day. Among our fixed universe of 95 tracked large caps (not a full-market scan), Sysmex jumped 4.81% on 2.3x its 20-day average volume, with Mitsubishi Estate (+2.90%) and Tokio Marine (+2.63%) behind it; Shiseido (-2.64%), Aeon (-2.20%) and Olympus (-1.82%) led the losers, consistent with the soft retail and consumer tape.
September trade: strong chips, wider deficit
Ministry of Finance data released Wednesday showed September exports up 16.7% year-on-year to ¥10.97 trillion — a 13th straight month of expansion, though slower than August’s 19.3% and below consensus of roughly 20–21%. Imports rose 18.9% to ¥11.51 trillion on elevated crude and energy costs, leaving a merchandise trade deficit of ¥536.6 billion versus expectations near ¥181 billion. The composition still favors the market’s leadership: semiconductor exports surged 49.4% year-on-year and chip-making equipment shipments 43.9%, while automobile exports rose 15.1% and shipments to the United States 22.9%. The wider deficit is one more weight on the yen; the export detail is one more leg under the AI-hardware trade.
Positioning check: still defensive under the surface
The TSE short-selling ratio — this site’s daily signature — came in at 39.9% of total trading value Wednesday (31.8% under the price rule plus 8.1% unrestricted), on turnover of ¥7.62 trillion. That sits in the upper third of the last eight sessions’ range (32.9%–41.3%, average 38.8%): elevated, meaning participants kept hedging into the bounce rather than chasing it. The Nikkei Volatility Index eased 1.33 points to 30.85 but remains in the 85th percentile of the past 928 sessions.
JSF margin data for Tuesday (today’s figures are not yet published) show leveraged-long demand concentrated exactly where the tape rallied: loans for margin buying rose 374,700 shares in MUFG and 284,300 in SoftBank Group, against aggregate stock lending (shares borrowed for shorting) of just ¥0.18 trillion versus ¥0.59 trillion of margin-buying loans market-wide. Fast Retailing was the exception, with stock lending up 18,100 shares on the day. Meanwhile, 434 of 953 loanable issues incurred a gyaku-hibu premium charge — an extra daily cost short sellers are paying, and a broad measure of squeeze pressure.
Separately, JPX published 959 large disclosed short-position reports across 660 issues on Wednesday. These are regulatory position filings reported with a lag, not today’s selling: the largest aggregate disclosed shorts sit in ReYuu Japan (13.2%), TOWA (10.6%) and KLab (10.0%). More telling for the index is the direction of change — the biggest reductions versus prior reports were in index products (Nissay Nikkei 225 ETF -12.23pp, a TOPIX-17 commercial & wholesale ETF -10.33pp, a Nikkei Bull 2x ETF -8.48pp), consistent with index hedges being trimmed.
Weekly Flows
The latest JPX investor-type data (TSE Prime, value basis) cover the week of September 7–11 and are lagged — these are not today’s flows. Foreign investors were net buyers of ¥0.73 trillion that week, while individuals were small net sellers at ¥0.05 trillion. A more recent, independent check points the same way: MOF cross-border securities data for the week of October 4–10 (major reporters, a different reporting basis where direction matters more than the amount) show foreigners net buying ¥3.52 trillion of Japanese equities, while Japanese residents net sold ¥0.76 trillion of foreign equities.
Rates and the BoJ
MOF yields as of Monday showed the long end rallying: the 10-year at 2.927% (-0.8bp), the 20-year down 5.3bp to 3.723%, and the 30-year and 40-year off 3.6–3.8bp near 4.0%. Governor Ueda and Deputy Governor Himino kept hawkish guidance that underlying inflation is progressing toward the 2% target. Markets expect a hold at the October 30 meeting, with economist polls pointing to a 25bp hike to 1.50% on December 17 — a backdrop that keeps the bank trade and the 158 yen in tension.
What to watch
- BoJ, October 30: a hold is expected, but any firming of the December-hike signal would test both the 158 yen and the exporter bid.
- The 65,000 line: Wednesday’s rally stalled there on profit-taking; a close through it would say the dip-buyers have the upper hand.
- The short-sell ratio: whether it eases back toward its 8-session average of 38.8% or holds near 40% will show if Wednesday’s bounce converted any of the defensive positioning.
Disclaimer: This is an information and analysis publication, not investment advice. See our Methodology for data sources, standards, and our corrections policy.