Taiwan Weighted (TAIEX) falls 3.4 percent on chip rout

Published on 10/15/2026 at 13:21 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

Taiwan Weighted (TAIEX) ended at 46,969.87 points after a 3.41 percent slide as chip stocks fell; TSMC's USD 52.3 billion guide is next.

Rates and semiconductors

The index ended at 46,969.87 points, down 1,655.96 points or 3.41 percent on October 15, 2026.
The electronics index fell 3.84 percent as higher US inflation raised rate-hike fears.
ASE Technology fell 10.0 percent, the steepest listed decline.
On October 16, 2026 at 9:00 a.m. Taipei time, investors assess TSMC's USD 52.3 billion to USD 54.3 billion Q4 guide.

Taiwan Weighted (TAIEX), XC0009694149, Illustration mit AI erstellt.

Taiwan Weighted (TAIEX) closed on October 15, 2026, down 1,656 points or 3.4 percent at 46,970 points. The electronics index fell 3.84 percent as higher-than-expected US inflation revived fears of tighter Federal Reserve policy, Focus Taiwan reports.

TSMC fell 2.0 percent before its earnings conference, while investors awaited guidance from the chipmaker after the selloff in technology shares, Taiwan News reports.

Why did Taiwan Weighted (TAIEX) fall?

The index opened at 48,382.75 points and moved between 46,795.38 and 48,382.75 points. Turnover rose to NT$1.32 trillion from NT$978.14 billion on October 14. Foreign institutions sold a net NT$302.56 billion of shares, Focus Taiwan reports.

Winners and losers in Taiwan Weighted (TAIEX)

Winners and losers on October 15, 2026, according to Taiwan News:

Genius Electronic Optical up 4.7 percent: it was one of the few high-priced stocks to rise.
Far EasTone Telecommunications up 4.6 percent: defensive telecommunications shares advanced.
ASE Technology down 10.0 percent: the chip packaging and testing company hit the daily limit-down.
MediaTek down 6.9 percent: the smartphone chip designer weakened in the technology selloff.

TSMC guidance sets the next focus

TSMC reported third-quarter net profit of NT$763.1 billion, above the NT$746.34 billion estimate. It forecast fourth-quarter revenue of USD 52.3 billion to USD 54.3 billion, according to CNBC.

What comes next for Taiwan Weighted (TAIEX)

October 16, 2026, 9:00 a.m. Taipei time: Taiwan trading resumes as investors assess TSMC's USD 52.3 billion to USD 54.3 billion revenue guide, CNBC reports.

More market reports and analysis on the Taiwan Weighted (TAIEX)