TSM stock ends at NT$2,475, down 1.00 percent at the last close on September 24, 2026

TSM stock opened at NT$2,480.00, reached NT$2,490.00 and fell to NT$2,470.00. It finished at NT$2,475.00, underperforming the TAIEX, which lost 0.28 percent before Taiwan's holiday break.

TSM shares last closed on the Taiwan Stock Exchange at NT$2,475.00 on September 24, 2026, down 1.00 percent, or NT$25.00, from NT$2,500.00. The stock underperformed the TAIEX, which ended at 48,024.60, down 0.28 percent. Micron Technology's September 30 earnings report is the next scheduled semiconductor peer event.

The session on September 24, 2026 in figures

Taiwan Semiconductor Manufacturing Co. Ltd. (ISIN US8740391003) opened at NT$2,480.00 on the Taiwan Stock Exchange. The stock reached a session high of NT$2,490.00 and a low of NT$2,470.00. The shares finished NT$5.00 below the open and NT$5.00 above the low. Trading volume totaled 13.04 million shares.

The NT$2,475.00 finish represented a decline from the previous close of NT$2,500.00. The closing level sat NT$15.00 below the session high and NT$5.00 above the session low. Taiwan's market was closed on September 25, 2026 for a holiday break, making September 24 the latest home-market session.

Technology weakness shapes the September 24 backdrop

Heavyweight technology stocks weighed on Taiwan's market before the holiday break, as Taiwan News reported on September 25, 2026. The report said the TAIEX reached an intraday low of 47,754.72 before finishing at 48,024.60. The market's turnover fell to NT$736.6 billion from NT$856.0 billion in the previous session.

Analyst Chien Po-yi described the market as a low-volume consolidation pattern, while quarter-end portfolio adjustments supported trading, Taiwan News reported on September 25, 2026. The same report said AI-related technology stocks performed relatively well during the session. Taiwan News also reported that MediaTek gained 1.93 percent to NT$5,285, while Foxconn fell 2.15 percent to NT$250.50.

TAIEX and semiconductor peers on September 24, 2026

The TAIEX closed at 48,024.60, down 0.28 percent, while TSMC fell 1.00 percent. MediaTek added 1.93 percent to NT$5,285, and ASE Technology gained 0.87 percent to NT$699. Delta Electronics rose 0.53 percent to NT$1,190, according to Taiwan News on September 25, 2026. TSMC's NT$25.00 decline was 0.72 percentage points larger than the TAIEX's loss.

Micron earnings on September 30

Micron Technology is scheduled to report earnings on September 30, 2026, according to MarketBeat. The event is relevant to semiconductor demand and memory-market sentiment. TSMC's own third-quarter results are listed for October 15, 2026, before the US market opens.