TSMC stock heads into the open after a 1.44 percent gain

At the close on September 18, 2026, TSMC stock rose 1.44 percent to TWD 2,460.00 on the Taiwan Stock Exchange. The share price finished above the day's low of TWD 2,428.00 and below the day's high of TWD 2,470.00, with volume at 37,190,511 shares.

At the close on September 18, 2026, TSMC stock ended at TWD 2,460.00 on the Taiwan Stock Exchange, up 1.44 percent. The move came as Taiwan shares extended a broad advance, with the Taiex finishing at 47,180.75, up 1.93 percent.

September 18, 2026 close

TSMC (ISIN US8740391003) closed at TWD 2,460.00, and the session volume was 37,190,511 shares. MarketScreener showed the same-day move at plus 1.44 percent and a year-to-date gain of 58.71 percent. The stock also outpaced the Taiex on the day by 0.49 percentage point, based on the index's 1.93 percent rise.

For today, Reuters reported that Taiwan broke ground on an advanced packaging industrial park anchored by TSMC, with facilities planned at the Baipu Industrial Park in Kaohsiung. That keeps the stock tied to a fresh company-linked development before the open.

Today and this week

Reuters said the Kaohsiung park will host validation and training facilities for TSMC, and the project is expected to start operations in the fourth quarter of 2029. No other company-specific date in the next five trading days was substantiated in the available hits.