Syensqo stock ends at EUR 78.20, down 0.45 percent at the Brussels close

Syensqo stock traded between EUR 77.80 and EUR 79.20 before ending at EUR 78.20, down 0.45 percent. The shares lagged the STOXX 600, which Euronext said was up 0.6 percent in its September 25 market note.

Syensqo closed at EUR 78.20 on Euronext Brussels at 5:35 p.m. CET on September 25, 2026, down 0.45 percent. The shares underperformed the STOXX 600 by 1.05 percentage points against the 0.6 percent gain cited by Euronext. JPMorgan placed Syensqo on positive Catalyst Watch ahead of upcoming results.

The session on September 25, 2026 in figures

Syensqo SA/NV (ISIN BE0003851681) finished at EUR 78.20 on Euronext Brussels, down EUR 0.35 from the previous close of EUR 78.55. The session range was EUR 77.80 to EUR 79.20, according to the September 25 market data. Trading volume reached 86,998 shares at the closing timestamp.

The closing price stood EUR 5.20 below Syensqo's 52-week high of EUR 83.40. The close was EUR 36.44 above the 52-week low of EUR 41.76. The shares therefore finished 6.24 percent below the 52-week high, calculated from the two quoted levels.

Market momentum and chemicals positioning on September 25, 2026

European shares edged higher in Euronext's September 25 market note, which put the STOXX 600 up 0.6 percent. Euronext said oil eased slightly while the dollar fell 0.4 percent against the yen.

The market note also described higher U.S. stock futures ahead of the New York open. Those conditions contrasted with Syensqo's 0.45 percent decline at the Brussels close. The gap between the stock and the STOXX 600 was 1.05 percentage points on the stated figures.

JPMorgan placed Syensqo on positive Catalyst Watch ahead of upcoming results in its September 24 chemicals review. Investing.com reported that the bank also highlighted Umicore while favoring Novonesis in the sector.

JPMorgan's chemicals snapshot listed BASF down 3.59 percent, Yara down 2.28 percent and Wacker Chemie up 0.40 percent. The same review listed Akzo Nobel up 0.67 percent and Arkema down 0.35 percent. The sector figures show a mixed chemicals tape around Syensqo's session.

What follows after September 25, 2026

Syensqo's next earnings date was listed as November 5, 2026, at 3:40 p.m. UTC by Yahoo Finance. The date falls outside the next five trading sessions but provides the next scheduled company reporting marker. JPMorgan's positive Catalyst Watch designation linked the stock's near-term calendar to upcoming results.