Zeon stock holds its Tokyo listing as Japan markets pause
Published on 09/22/2026 at 09:07 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWSZeon Corporation (JP3560800007) remains listed in Tokyo under ticker 4205, while the Japanese cash market's latest completed session ended on September 18, 2026. The Tokyo market was closed on September 22, 2026, for a national holiday, making the September 18 close the relevant market reference for Zeon stock.
Tokyo trading resumes later
Japan's last completed cash session before the closure was September 18, 2026, when the Nikkei 225 ended at 65,018.95, up 882.70 points, or 1.38 percent, according to Mint on September 22, 2026. That index comparison provides the clearest dated market backdrop for the stock because no new Tokyo cash-market close was formed on September 22.
The holiday interruption also matters for interpreting daily price screens: a quotation labelled September 22 would not represent a completed Tokyo session for Zeon. The next usable company-specific closing figure must therefore be tied to the last completed exchange session rather than inferred from the calendar.
Company figures need the period label
Zeon operates in chemicals and advanced materials, but a financial figure qualifies as current only when its reporting period is explicitly identified. For this September 22, 2026 article, the relevant reporting window reaches back nine months for interim figures and 24 months for the latest fiscal year.
That distinction is important for investors comparing Zeon with Japanese chemical companies: a publication date in September 2026 does not by itself make an older revenue, profit or earnings-per-share figure current. Any comparison must retain the stated quarter, half-year or fiscal-year period.
Zeon stock awaits a fresh close
Zeon stock is referenced on the Tokyo Stock Exchange in Japanese yen. The market context is dated September 18, 2026, while September 22 supplied no completed Tokyo cash session because the exchange was closed for a national holiday.
Zeon Corporation stock facts
- Company: Zeon Corporation
- ISIN: JP3560800007
- Ticker: 4205
- Trading venue: Tokyo Stock Exchange
- Sector / Industry: Materials / Chemicals
