The Nikkei 225 closed Friday at 66,364.20, up 1.30% for a fifth consecutive advance, with banks and semiconductor names doing the heavy lifting while SoftBank Group lagged. The TSE short-sell ratio eased to 40.0% and the yen held near 158 per dollar.
Tokyo returned from an extended holiday with a two-speed tape: the Nikkei 225 rose 0.76% on semiconductor strength while the TOPIX proxy slipped, ex-dividend mechanics weighed on high-yield names, and USD/JPY at 158.40 kept intervention watchers busy. The TSE short-sell ratio held mid-range at 41.0%.
U.S. CPI lands at 21:30 JST (22:30 in winter), midway through Osaka’s 17:00–6:00 night session for Nikkei 225 futures. The night-session close is the key overnight anchor for where Tokyo’s 9:00 cash open will print — refined by the live futures level once Osaka’s day session resumes at 8:45. Here is the full transmission chain, release clock, and how to read the gap.
The BoJ raises rates not by draining reserves but by paying more on them: lift the rate on banks’ excess reserves and the overnight call rate follows almost mechanically. Here is the full plumbing — call market, TIBOR, lending rates, JGB yields, equities — with a step-by-step method for reading the September 2026 curve.
The Nikkei 225 rose 1.38% to 65,018.95 on Friday after the Bank of Japan raised rates 25bp to 1.25% on a 7-2 split. Markets read the move as dovish: the yen slid to 157.80, semiconductor names surged, and the TOPIX proxy actually fell. Short selling eased to 39.4% of turnover.
The Nikkei 225 closed up 0.33% at 64,136.25 on Thursday, surrendering most of an early 700-point surge as investors squared up ahead of Friday’s Bank of Japan decision and a long holiday weekend. The short-selling ratio held at 41.4% — elevated but within its recent band.
The Nikkei 225 shook off a soft US lead to close 0.69% higher at 63,923 on Wednesday, powered by energy and chip-equipment names, with the yen at 155 and the Bank of Japan decision two days away. Short selling ran at 41.5% of TSE turnover.
Nikkei 225 futures trade nearly 24 hours across Osaka, SGX, and CME, and Tokyo’s 9:00 cash open typically converges toward the basis-adjusted overnight futures level. How each venue hands off to the next, how to compute fair-value basis from short-term yen funding, and why the quarterly roll is not the same as SQ.
The Nikkei 225 closed all but unchanged at 63,484 on Tuesday as a 7.5% jump in SoftBank Group offset renewed semiconductor selling. The yen slipped to around 154.9 per dollar, the short-sell ratio eased to 39.9%, and all eyes turn to the Bank of Japan’s Sep 17-18 meeting.
Monday split Tokyo in two: the Nikkei 225 fell 0.81% as SoftBank Group plunged 10.7% on AI-slowdown headlines, while the broader TOPIX gained as financials and transport led 14 of 17 sectors higher. Short-selling sat at 38.1% of turnover — the calm end of its recent range.