Taiwan Stocks Defend 46,000 at Open After Four-Day Break

黃黃郁婷 產業線記者2026-10-27 08:00

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After a four-day break, Taiwan stocks reopen on the 27th, pricing in sharp swings in U.S. chip stocks at once. Whether TSMC can stabilize will determine if the TAIEX can defend 46,000, with foreign investors' futures short positions and heavyweight moves in focus.

Four-day break to digest U.S. semiconductor correction

Affected by Typhoon Fengshen and the Retrocession Day make-up holiday, Taiwan stocks were closed on the 23rd and 26th, and with the weekend, there was no trading for four consecutive days, with trading resuming on the 27th. The market will price in U.S. stock moves during the break all at once, especially sharp volatility in semiconductors, with the Philadelphia Semiconductor Index plunging 6.72% on the 22nd, rebounding slightly on the 23rd, and rising about 2.82% on the 26th, as buying gradually returned but had not fully recovered the losses.

TSMC ADR rebounds but does not recover losses

All four major U.S. indexes closed higher on the 26th, with the Dow Jones Industrial Average up 146.42 points to close at 52,361.58, the S&P 500 up 0.70%, and the Nasdaq up 0.82%, showing improved risk appetite. TSMC ADR fell 4.52% on the 22nd to close at $412.35, rose 1.49% on the 23rd, and rose another 1.40% on the 26th to close at $424.37, rising for two straight days but still below the $431.89 close on the 21st.

Foreign investors sell over NT$100 billion, futures shorts at high level

TSMC shares closed at NT$2,385 on the 22nd, down NT$35 or 1.45%. Given its heavy weight in the TAIEX, its performance at the open on the 27th will affect whether the broader market can hold 46,000, with attention on whether it can return to NT$2,400. The TAIEX plunged 846.34 points on the 22nd to close at 46,041.43, down 1.81%, just one step away from 46,000. In terms of筹码, foreign investors sold a net NT$81.656 billion on the 22nd, investment trusts bought a net NT$8.875 billion, and dealers sold a net NT$27.378 billion, for combined net selling of about NT$100.160 billion by the three institutional investors. Among them, foreign investors sold about 12,700 lots of TSMC, and foreign investors' net short positions in TAIEX futures reached 87,297 contracts, a key focus on the 27th. Whether electronic heavyweights such as Hon Hai (2317), Quanta (2382), and Delta Electronics (2308) can stabilize together is in focus.

AI supply chain and heavyweight moves in focus

Investment in AI data centers, servers and high-performance computing equipment remains the market focus, and whether buying returns to Taiwan AI server, high-end PCB and cooling supply chains such as Wiwynn (6669), Taiwan Union Technology (2383), Taiwan Copper Foil (6274) and AVC (3017) will affect confidence in electronics stocks. However, as large technology companies expand capital expenditure, the market is paying more attention to financing costs, cash flow and return on investment, and related concerns may still affect short-term valuations, reflecting more cautious assessment of the returns on AI infrastructure investment.

FAQ

Why were Taiwan stocks closed for four consecutive days?

How did U.S. semiconductor stocks perform during the break?

The Philadelphia Semiconductor Index plunged 6.72% on the 22nd, reflecting market concerns over AI infrastructure financing costs and investment returns, rebounded slightly on the 23rd, and rose about 2.82% on the 26th. TSMC ADR fell 4.52% on the 22nd to $412.35, and rebounded to $424.37 on the 26th, still below $431.89 on the 21st.

What are the key points to watch at the Taiwan stock open on the 27th?

The TAIEX closed at 46,041.43 in the previous session, near the 46,000 level. Whether TSMC can stabilize and return to NT$2,400 is key, along with foreign investors' net short positions of 87,297 contracts in TAIEX futures, combined net selling of about NT$100.160 billion by the three institutional investors, and moves in heavyweights such as Hon Hai, Quanta and Delta Electronics.