What Is the iShares MSCI Taiwan ETF (EWT)?

The iShares MSCI Taiwan ETF (EWT) tracks the MSCI Taiwan 25/50 Index, providing US-listed exposure to Taiwanese large- and mid-cap equities across the Taiwan Stock Exchange. Managed by BlackRock, EWT is the largest and most liquid Taiwan ETF available to US investors, with $9.86 billion in assets under management as of May 2026. The fund holds 89 securities.

Taiwan's equity market is structurally unlike any other emerging market: it is the only major EM that trades at a forward P/E premium to the MSCI ACWI. That premium has one source — TSMC — and one justification: Taiwan manufactures the chips that power the global AI buildout, and no other country can.

Key Facts

EWT Performance Snapshot

The iShares MSCI Taiwan ETF (EWT) has delivered one of the strongest multi-timeframe performance records of any country ETF in 2026, trading near all-time highs at $94.86 as of May 13. AUM has grown from approximately $7.5 billion at the start of the year to $9.86 billion, reflecting sustained institutional inflows into the AI semiconductor theme.

On a YTD basis, EWT ranks second among all country ETFs, trailing only South Korea's iShares MSCI South Korea ETF (EWY) at +94.02%. On the Iran war period specifically — February 27 to May 13 — EWT leads the entire database at +25.36%, narrowly ahead of EWY at +24.62%. The 1-year return of +78.04% is nearly three times the MSCI ACWI's +27.06% over the same period.

The monthly breakdown for 2026 tells the full story:

April's +26.73% is one of the largest single-month returns in EWT's history. The month delivered a simultaneous double catalyst: the Iran war ceasefire removed the energy cost headwind that had crushed Taiwan's 98%-energy-import-dependent economy in March, and TSMC's Q1 2026 results confirmed record AI revenue. Taiwan received both events in the same 30-day window — no other country ETF did.

Top Holdings and Portfolio Structure

EWT's defining analytical feature: it is a technology fund that happens to be structured as a country ETF. The information technology sector accounts for approximately 70%+ of index weight. Every significant holding is a node in the global AI hardware supply chain.

TSMC at 19% is the anchor. The company produces virtually all of the world's sub-3nm logic chips: Nvidia's B200 and B300 GPUs, Apple's A-series and M-series, AMD's EPYC CPUs, Qualcomm's Snapdragon SoCs. There is no alternative supplier. Building a competing fab requires 5-7 years minimum and has not been attempted at equivalent process node by any competitor. TSMC's position is the most commercially irreplaceable in modern industry.

The surrounding holdings are not passive bystanders. Foxconn at 5.38% physically assembles the GB200 NVL72 server racks that Microsoft, Google and Meta are deploying by the thousands in AI data centres. ASE Technology at 2.61% performs the advanced packaging that bonds TSMC's logic dies to SK Hynix's HBM memory stacks — the critical integration step that makes an AI accelerator functional. Unimicron at 2.30% makes the PCBs that route signals within those servers. EWT is not a diversified country basket; it is a vertically integrated AI infrastructure holding.

Market Drivers

TSMC's AI earnings cycle. Q1 2026 confirmed AI data centre demand accelerating beyond consensus. CoWoS advanced packaging — the process that bonds GPU logic to HBM memory — is sold out through 2027. AI now represents the majority of TSMC's advanced node utilisation. The forward order book is the strongest in TSMC's history, with management explicitly acknowledging demand exceeds current capacity.

The hyperscaler capex cycle. Microsoft, Google, Amazon and Meta have collectively committed over $300 billion in AI infrastructure spending for 2026 — a figure still accelerating. Every dollar eventually flows through TSMC's fabs in Hsinchu and Tainan. No other company on earth can convert hyperscaler capex commitments into physical AI compute hardware at the sub-3nm node.

Iran war: damage absorbed, recovery complete. Taiwan is approximately 98% energy-import dependent. The Strait of Hormuz blockade drove EWT's -6.28% March decline as energy costs spiked for Taiwan's industrial base. The ceasefire in April reversed that entirely — and TSMC's Q1 results arrived simultaneously, producing the +26.73% monthly surge. The war hurt Taiwan for one month, then supercharged it for the next.

The cross-strait risk premium. China's territorial claims over Taiwan are the permanent geopolitical discount embedded in EWT. This premium — priced continuously by the market — is the structural reason EWT does not trade at 30-35x forward earnings. Any escalation in cross-strait tensions produces immediate drawdowns; any de-escalation compresses the risk premium and provides additional upside beyond the earnings floor.

Valuation: Is the AI Premium Justified?

Taiwan at 20.97x forward P/E is the only major EM market trading at a premium to the MSCI ACWI (18.07x). The +16.1% premium is not a bubble — it is the market's pricing of TSMC's monopoly earnings power.

The EWT-EWY divergence — 20.97x versus 7.51x — is the most widely discussed valuation gap in Asia Pacific equities. Both markets serve the same Nvidia GPU supply chain. The 13.46x multiple differential reflects one fundamental distinction: TSMC manufactures irreplaceable logic chips with no viable alternative supplier at sub-3nm. Samsung and SK Hynix manufacture HBM memory — also critical, but operating in a duopoly with a well-documented history of cyclical earnings collapses. Logic chip monopolies command structurally higher multiples than memory duopolies. That structural distinction justifies the premium, though not necessarily at any price.

Taiwan also remains classified as an Emerging Market by MSCI — despite GDP per capita and institutional infrastructure comparable to Developed Markets. A potential reclassification to DM status, actively under consideration, would mechanically trigger index-driven inflows and likely compress the discount further.

Seasonality Patterns

EWT's 20-year seasonality shows a broadly constructive calendar disrupted sharply in 2026 by the Iran war shock and the subsequent AI earnings-driven recovery:

Two structural observations. First, August is EWT's weakest seasonal month — negative on average at -1.03% with only a 40% win rate over 20 years. This is the key H2 risk window, particularly if TSMC's July guidance introduces any caution on H2 AI demand. Second, October is the most consistent month at 70% win rate — the strongest in EWT's annual cycle.

2026's deviations from historical averages have been extreme: March was nearly 8 percentage points below its 20-year average; April was more than 23 points above. The war and its resolution created the sharpest intra-year swing in EWT's recorded history.

Correlation and Diversification

EWT's 0.71 correlation with SPY is the highest of any EM country ETF with US equities. TSMC's direct customer relationships with Apple, Nvidia, AMD and Qualcomm create a near-mechanical linkage to US technology earnings. The practical implication: adding EWT to a US equity portfolio does not provide meaningful de-correlation. It provides leveraged AI semiconductor beta with Taiwan-specific geopolitical optionality.

Comparable ETFs

iShares MSCI South Korea ETF (EWY): The closest analytical peer. Both funds are AI semiconductor-dominated. EWY at 7.51x forward P/E offers equivalent AI supply chain exposure at less than one-third of EWT's multiple — with SK Hynix and Samsung substituting for TSMC. The tradeoff: Korea's chaebol governance discount and DRAM cyclicality versus TSMC's logic chip monopoly premium. Correlation with EWT: 0.78.

Franklin FTSE Taiwan ETF (FLTW): The cost alternative. FLTW tracks the FTSE Taiwan Capped Index at 0.19% expense ratio versus EWT's 0.59% — a 0.40 percentage point annual saving that compounds to approximately 4 percentage points over a 10-year holding period. Portfolio construction is broadly similar with comparable TSMC exposure.

iShares MSCI Netherlands ETF (EWN): The upstream proxy. ASML at approximately 22% of EWN manufactures the EUV lithography machines TSMC requires to produce sub-3nm chips. EWN at 19.59x forward P/E offers indirect AI semiconductor exposure — one step further up the supply chain — with meaningfully lower cross-strait geopolitical risk.

Key Risks

Cross-strait escalation. The Taiwan Strait is the world's highest-stakes geopolitical flashpoint. Any military escalation would produce immediate, severe EWT drawdowns. A sustained crisis scenario is unquantifiable but would represent the complete destruction of Taiwan's AI earnings premium.

TSMC earnings concentration. At 19% of EWT, a single guidance cut from TSMC moves the entire fund 3-5% instantly. TSMC's Q2 2026 results in July are the most important near-term data point for EWT's H2 trajectory. Any signal of AI demand deceleration would compress EWT's 20.97x multiple toward historical EM averages of 12-15x.

AI capex cycle deceleration. EWT's premium multiple depends on sustained hyperscaler spending from Microsoft, Google, Amazon and Meta. Any guidance reduction would flow through to TSMC's order book within two quarters — and the market would reprice well in advance.

August seasonality + July earnings risk. The convergence of EWT's historically weakest seasonal month (August, -1.03% avg, 40% win rate) with TSMC's Q2 results in July creates a concentrated risk window in H2 2026.

Expense ratio. At 0.59%, EWT charges more than three times FLTW's 0.19% for broadly equivalent Taiwan exposure. Over a multi-year holding period this is a material drag.

Bottom Line

The iShares MSCI Taiwan ETF (EWT) is the most direct expression of the AI semiconductor investment thesis available in country ETF form. TSMC's sub-3nm logic monopoly — combined with Taiwan's surrounding ecosystem across packaging, assembly, test and PCB manufacturing — makes EWT a structurally different product from conventional EM country funds. The 20.97x forward P/E is a quality-at-market-price proposition for investors who believe the AI infrastructure buildout sustains for multiple years.

The core tension into H2 2026: at 20.97x, EWT is priced for TSMC to continue delivering record earnings. The July Q2 results are the verdict. If TSMC guides in line or above, momentum continues. If TSMC signals any H2 deceleration, the multiple contracts sharply — and August's seasonal weakness amplifies the move.

For investors who want the same AI supply chain at a fraction of the multiple, EWY at 7.51x remains the most analytically compelling alternative — with memory cycle risk and governance discount as the explicit trade-offs.

Live performance and full data at countryetftracker.com/country-detail?ticker=EWT. Cross-country valuation comparisons at countryetftracker.com/valuation. Global seasonality tool at countryetftracker.com/seasonality.

Frequently Asked Questions

What does the iShares MSCI Taiwan ETF (EWT) invest in?

EWT tracks the MSCI Taiwan 25/50 Index, holding 89 Taiwanese-listed securities. The fund is overwhelmingly concentrated in the technology sector — primarily semiconductors, electronics manufacturing and component supply. TSMC is the largest holding at 19.00% of NAV. Information technology represents approximately 70%+ of total fund weight, making EWT functionally a technology fund with intra-sector diversification across Taiwan's AI supply chain ecosystem.

Why is EWT up +49% YTD in 2026?

Three compounding drivers: (1) TSMC's AI earnings acceleration — record Q1 2026 revenue with CoWoS packaging sold out through 2027; (2) the Iran war ceasefire in April, which simultaneously removed the Hormuz energy headwind and coincided with TSMC's record Q1 results, producing EWT's +26.73% single-month April return; (3) sustained institutional inflows into the AI semiconductor theme, growing AUM from $7.5 billion to $9.86 billion.

How does EWT compare to EWY for AI semiconductor exposure?

Both ETFs provide exposure to the Nvidia GPU supply chain. EWT's dominant holding is TSMC (19%) — a logic chip foundry monopoly at sub-3nm. EWY's dominant holdings are SK Hynix and Samsung — HBM memory suppliers. Logic chip monopolies command higher multiples (EWT: 20.97x) than memory duopolies (EWY: 7.51x), reflecting memory's history of cyclical earnings collapses. The 1-year correlation between EWT and EWY is 0.78. The 13.46x valuation gap is the core active decision between the two positions.

What is the biggest near-term risk for EWT?

TSMC's Q2 2026 earnings guidance in July is the single most important near-term catalyst. If management signals any deceleration in AI demand or H2 capex expectations, EWT's 20.97x multiple would compress toward the 12-15x historical EM average — implying significant price downside on multiple compression alone. This risk window coincides with EWT's seasonally weakest period (August, -1.03% avg, 40% win rate), creating a concentrated risk period in July-August 2026.