iShares MSCI Taiwan ETF (EWT) Falls -22% Over 30 Days Amid AI Selloff

Key Takeaways

• The iShares MSCI Taiwan ETF (EWT), a U.S.-listed exchange-traded fund that tracks Taiwanese large- and mid-cap equities, fell roughly 22% over the past 30 days.
• Over the trailing three months the fund is down about 13%, having rallied to a 52-week high near $118 in early October before reversing sharply.
• Taiwan Semiconductor Manufacturing Company (TSM), the fund's largest holding at roughly 22% of assets, was the single most influential driver of the decline.
• The selloff was fueled by fading artificial-intelligence (AI) optimism, concerns about tighter U.S. regulation of data centers, and heavy foreign selling of Taiwanese equities.
• With information technology representing about 74% of the portfolio, EWT's concentrated sector exposure amplified the drawdown during a tech-led risk-off episode.

Overview of the iShares MSCI Taiwan ETF (EWT)

The iShares MSCI Taiwan ETF is a passively managed, non-diversified fund that seeks to track the MSCI Taiwan 25/50 Index, a free float-adjusted, market-capitalization-weighted benchmark covering the large- and mid-cap segments of Taiwan's equity market. The index's capping methodology limits the weight of any single issuer, a feature intended to reduce single-name concentration while retaining the market's technology bias.

The fund holds roughly 80 to 90 securities, with approximately $11.7 billion in assets under management and a net expense ratio of 0.59%. Information technology dominates the portfolio at around 74% of assets, followed by financials at roughly 14%, with smaller allocations to materials, industrials, and consumer sectors. Taiwan Semiconductor Manufacturing Company (TSM) is the largest position at about 22%, followed by MediaTek, Delta Electronics, Hon Hai Precision Industry, and ASE Technology Holding. This heavy semiconductor and electronics concentration means EWT's returns are closely tied to global AI and hardware spending cycles, which explains why the fund moves sharply during both tech rallies and selloffs. I also checked this using Tickeron’s AI Screener to see how the fund compares to others in the industry.

Recent Price Performance of EWT

Over the past 30 days, EWT declined approximately 22%, falling from around $114 to roughly $89. The move was not gradual. The fund climbed to a multi-year high near $118 in early October, held in a narrow range through mid-October, and then broke down rapidly in late October and early November as selling pressure intensified. The decline was trend-driven and highly volatile, punctuated by several of the fund's largest single-day moves in years.

The broader quarterly picture tells a similar but less severe story. Over the trailing three months, EWT is down about 13%, having risen through August and September before surrendering those gains. The result was a round-trip pattern: a strong multi-month uptrend, a peak in early October, and a sharp correction that erased most of the prior advance. From what I see, the reversal stood out as particularly sharp when viewed against the prior uptrend.

Drivers Behind the Recent Decline

The primary catalyst was a global selloff in AI and semiconductor equities driven by fading enthusiasm for AI infrastructure spending and renewed concern about tighter U.S. regulation of data centers. Taiwan's technology-heavy equity market fell to its lowest level since spring, posting its steepest weekly decline in more than two decades, as foreign investors sold roughly $6 billion of Taiwanese shares across a few sessions.

Taiwan Semiconductor Manufacturing Company (TSM) was the dominant contributor to the drawdown given its roughly 22% weighting. Its U.S.-listed shares dropped more than 10% in a single session as investors reassessed the outlook for advanced AI chip demand. Fellow holdings such as MediaTek, Hon Hai Precision, and Delta Electronics also weakened, compounding the fund's losses. Taiwan's equity benchmark entered a technical bear market after falling more than 20% from its early-October record, prompting regulators to tighten short-sale rules and authorize a government stabilization fund to support the market.

Quarterly Trends and Broader Context

The three-month trend was defined by a rotation into semiconductor and AI-hardware names that peaked in early October, followed by a violent unwind. Through August and September, strong demand for advanced chips and rising AI capital expenditure supported Taiwan's exporters, lifting EWT to new highs. The reversal reflected a broader reassessment of AI-related valuations, elevated U.S. Treasury yields, and hotter-than-expected inflation readings that raised concerns about monetary policy.

Institutional positioning amplified both phases. Crowded trades in semiconductor names meant that once sentiment shifted, deleveraging and forced selling accelerated the decline. The fund's concentration in a small number of large technology companies meant that weakness in a handful of holdings translated directly into outsized moves at the fund level, underscoring the structural volatility embedded in EWT's portfolio. One thing that stands out is how quickly sentiment can shift in this concentrated space.

Factors to Watch Going Forward

The most important factors for investors to monitor are the trajectory of AI capital expenditure and the valuation of semiconductor names. Taiwan's market remains highly sensitive to spending plans from large cloud and technology companies, as well as to any shifts in U.S. trade or export-control policy. Interest rates and inflation data will also matter, since higher yields tend to pressure richly valued technology shares and can strengthen the U.S. dollar against the Taiwan dollar, further weighing on U.S.-listed returns.

Investors should watch foreign-investor flows into Taiwanese equities, TSMC's revenue and guidance, and any policy responses from Taiwan's regulators and stabilization fund. The fund's concentrated technology exposure remains the central structural risk, but it is also the source of its upside sensitivity if AI demand re-accelerates. As always, single-country ETFs carry currency, geopolitical, and concentration risks that should be considered alongside any return outlook.

AI Screener

In my own research workflow, I frequently rely on Tickeron’s AI Screener to scan for patterns and compare ETFs like EWT against peers using technical and fundamental filters. The platform helps surface relevant signals and sector insights without manual effort, which keeps the process efficient when evaluating concentrated holdings. It has become a regular part of how I cross-check ideas before digging deeper into price targets or forecasts.

Disclaimer

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Contributor

Allana|Expert

Financial analyst and market blogger with expertise in equity research, fundamental analysis, and macroeconomic trends. I regularly publish coverage on individual stocks, ETFs, and sector developments — combining rigorous financial analysis with clear, engaging writing for a broad investment audience.

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