Taiwan’s 10% Daily Price Limit: Limit-Up Rules and Tick Math

Taiwan-listed stocks can normally move at most 10% from the reference price — usually the previous close — in a session, and limit prices are rounded inward to the exchange tick, so TSMC’s NT$2,490 close (Oct 2026) implied a NT$2,245–2,735 band. Here is how limit-up queues, frozen quotes, and delayed price discovery actually work.

TAIEX Snaps Four-Day Slide Ahead of TSMC Earnings, but Foreign Selling Runs to a Sixth Session

Taiwan stocks rebounded 0.59% to 48,625.83 on Wednesday, briefly reclaiming 49,000 intraday, as bargain hunters stepped in after Tuesday’s 1.95% plunge. TSMC closed flat at NT$2,490 on the eve of its Q3 earnings conference, while foreign investors sold a sixth straight session and the Taiwan dollar stayed under pressure past 32.

TSMC September 2026 Revenue Hits NT$511.9 Billion, Up 54.6% From a Year Ago, Essentially Flat From August

TSMC’s September 2026 revenue came in at NT$511.9 billion, essentially flat month-over-month but up 54.6% year-over-year. Whether AI chip demand is the driver is an inference — the companywide number carries no segment breakdown. Hon Hai, UMC and MediaTek filings round out the picture.

TAIEX Slides 1% as Chip Heavyweights Stumble and Foreign Investors Sell NT$75.9 Billion Before the Holiday

Taiwan’s TAIEX fell 0.99% to 49,313.44 on Thursday as TSMC, MediaTek and Hon Hai pulled back below the 50,000 mark. Foreign investors net sold NT$75.85 billion in the cash market ahead of the National Day holiday break, with TSMC’s October 15 earnings call now in view.

Taiwan MOPS Filing Deadlines: Revenue by the 10th, Quarterlies in 45 Days for Most Issuers

Taiwan-listed companies must file consolidated monthly revenue by the 10th of the following month, quarterly financials within 45 days of quarter-end for most non-financial issuers (banks, insurers and financial holding companies follow modified deadlines), and audited annual accounts by end-March — all on MOPS. Here is the full calendar, why the numbers are cumulative, and where to find English filings at emops.twse.com.tw.