Taiwan Weighted (TAIEX) closes 3.4 percent lower after CPI

Published on 10/15/2026 at 18:47 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

Taiwan Weighted (TAIEX) closed at 46,970 points after a 1,656-point drop as TSMC earnings followed a technology-led selloff.

Chip selling drives the decline

The Taiwan Weighted (TAIEX) closed at 46,970 points, down 3.4 percent on October 15, 2026.
U.S. September CPI rose 3.7 percent versus 3.6 percent expected.
MediaTek fell 6.9 percent, while Avision gained 9.9 percent.
The next Taiwan Weighted session starts at 9:00 a.m. Taipei time on October 16, 2026.

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

The Taiwan Weighted (TAIEX) closed at 46,969.87 points on October 15, 2026, down 1,656 points or 3.4 percent. Higher-than-expected U.S. inflation intensified selling in technology shares, Focus Taiwan reported.

MediaTek fell 6.9 percent, while TSMC lost 2.0 percent before its earnings event. TSMC later reported third-quarter net income of TWD 763.1 billion, above the TWD 746.34 billion estimate, CNBC said.

Why did Taiwan Weighted (TAIEX) fall today?

The index opened at 48,382.75 points and dropped to an intraday low of 46,795.38. It reached a high of 48,382.75 before closing below 47,000 points, according to Focus Taiwan.

U.S. September consumer price index inflation rose 3.7 percent, against a 3.6 percent forecast. Dealers linked the data to higher expectations for Federal Reserve tightening and increased financing concerns for artificial-intelligence companies.

Foreign institutions sold a net TWD 302.56 billion of Taiwan-listed shares. Turnover reached TWD 1.32 trillion, compared with TWD 982.6 billion in the previous session, Taiwan News reported.

Winners and losers in Taiwan Weighted (TAIEX)

Winners and losers at the close according to Investing.com:

Avision up 9.9 percent.
Chia Ta World up 9.9 percent.
Flexium Interconnect up 9.9 percent.
Chroma ATE down 10.0 percent.
Oriental Union Chemical down 10.0 percent.
Paragon Technologies down 10.0 percent.

Electronics shares fell 3.8 percent, while the financial sector rose 0.7 percent. Decliners outnumbered advancers 824 to 207, with 88 stocks unchanged.

Course below 47,000 points

The closing loss was the TAIEX's sixth-largest decline measured in points, according to Taiwan News. The benchmark also moved below its 20-day moving average of 48,041 points, according to Focus Taiwan.