Corgi Lithography & Semiconductor Photonics ETF (EUV) Falls -19% Over 30 Days as Semiconductor Equipment Weakens
Key Takeaways
- EUV declined roughly 19% over the trailing 30 days, closing near $20 after a sharp selloff in semiconductor equipment and optical/photonics names.
- The fund has also retreated over the trailing quarter, reflecting a broader de-rating of high-valuation AI-hardware and semiconductor equities.
- The move was led by weakness in major holdings such as Lam Research, Applied Materials, Coherent, and Lumentum rather than by a single idiosyncratic event.
- Primary catalysts include renewed scrutiny of AI capital-spending returns, supply-constraint commentary from equipment makers, and a rotation out of crowded semiconductor positions.
- ASML posted record quarterly results during the period, yet its shares still declined, underscoring the strength of the sector-wide pullback.
- For additional context, visit the dedicated Price Targets and Forecast pages for EUV.
- To discover new trading ideas across markets, explore Trending AI Robots.
EUV ETF Overview and Key Holdings
EUV is an actively managed, non-diversified thematic exchange-traded fund that seeks capital appreciation by investing at least 80% of its assets in companies involved in photonics and light-based technologies, including extreme ultraviolet lithography and related semiconductor manufacturing and inspection tools. Launched in May 2026 on the Cboe BZX exchange, the fund holds roughly 40 securities and carries an expense ratio of 0.35%.
The portfolio concentrates in semiconductor equipment and optical-communications leaders. Its largest positions include TSM (Taiwan Semiconductor), ASML, AMAT (Applied Materials), LRCX (Lam Research), KLAC (KLA), GLW (Corning), LITE (Lumentum), MRVL (Marvell), COHR (Coherent), and CIEN (Ciena). By geography, roughly 72% of assets are U.S.-listed, with meaningful allocations to Taiwan and the Netherlands. This concentrated exposure means the fund's returns closely track semiconductor-capital-equipment and photonics leaders, amplifying both upside and downside relative to broader technology benchmarks. I also checked this using Tickeron’s AI Screener to see how the fund compares to others in the industry.
EUV Price Performance Over the Last 30 Days and Quarter
Over the trailing 30 days, EUV fell from about $24.94 to approximately $20.27, a decline of roughly 18.7%. The pullback was not uniform: the fund traded in a broad range through much of the period before accelerating sharply lower in late October as the semiconductor complex sold off. Over the trailing quarter, the fund has declined approximately 16%, confirming that the recent weakness is part of a longer-running trend rather than a single-session event.
Drivers Behind the 30-Day Decline
The 30-day decline was driven primarily by a broad, high-velocity selloff in semiconductor and optical-communications equities. In late October, the Philadelphia Semiconductor Index fell more than 5% in a single session to its lowest level in months, with equipment makers and photonics suppliers leading the losses. LRCX dropped sharply after an outlook that flagged supply constraints on near-term shipments, while AMAT, KLAC, COHR, and LITE all posted double-digit or near-double-digit single-day declines.
Two macro themes reinforced the move. First, investor scrutiny of AI capital-spending returns intensified after a major hyperscaler raised its spending guidance and disclosed an enormous multi-year commitment, prompting questions about funding and payback timelines. Second, rising long-term yields, elevated oil prices, inflation concerns, and pre-election uncertainty pressured high-multiple growth assets. Notably, ASML delivered record quarterly net sales, a strong gross margin, and upbeat guidance during the window, yet its shares still declined, illustrating that the selloff was driven by positioning and valuation compression rather than deteriorating fundamentals.
Factors Shaping Performance Over the Trailing Quarter
The trailing quarter was volatile. After a mid-summer semiconductor drawdown, the fund rebounded into August, traded sideways through September, and briefly re-tested its highs in early October before reversing sharply lower. This pattern reflects a gradual re-rating of AI-infrastructure and semiconductor-equipment equities, compounded by concerns about potential margin pressure from supply growth and by crowded institutional positioning in the sector.
Because EUV's largest weights are concentrated in capital-equipment and optical-communications names, the fund has been especially sensitive to shifts in sentiment around wafer-fab equipment spending and AI networking demand. Even as underlying demand indicators for advanced chips and lithography tools remained constructive, investors trimmed exposure to the highest-multiple segments of the supply chain, which are precisely the areas where EUV's portfolio is most heavily weighted.
Outlook for EUV and What to Monitor Next
Looking ahead, several factors are likely to shape EUV's performance. The trajectory of AI capital expenditure and its perceived return on investment remains central, since demand for lithography systems, inspection tools, and optical components is closely tied to data-center build-outs. Equipment-order commentary from the fund's largest holdings, including guidance on wafer-fab equipment spending, will be an important signal for the supply chain.
Macroeconomic conditions also matter: the level of long-term interest rates, inflation trends, and energy costs influence valuations across high-growth technology. Investors should monitor fund flows into and out of semiconductor and thematic ETFs, as well as any regulatory or geopolitical developments affecting semiconductor supply chains. While the fund's concentrated, non-diversified structure can magnify volatility, the same structure positions it to capture upside when sentiment toward advanced manufacturing and optical connectivity improves. From what I see, one thing that stands out is how quickly sentiment can shift in this space, so I’m watching this closely.
AI Screener
When analyzing thematic funds like EUV, I often turn to Tickeron’s AI Screener to quickly scan for comparable opportunities in semiconductors and photonics. It combines technical indicators, fundamentals, and AI signals to highlight shifting sector trends without hours of manual work, which helps me stay efficient in my own research process.
Disclaimer
The information on this webpage is provided for general informational and educational purposes only and is not intended as investment advice, a recommendation to purchase or sell any security, or an offer or solicitation related to investments. It does not consider your personal financial situation, goals, or risk profile, and all investing carries inherent risks, including the possibility of losing your entire investment. For more details, please review our full disclaimer.
Contributor
Sergey Savastiouk, Ph.D. has a degree in Applied Mathematics from Moscow University and has extensive experience as an entrepreneur, investor, manager, and mathematician. His professional expertise is in applied mathematics, mathematical modeling, system and pattern analysis, and software and hardware system integration. He has served as the CEO of several hi-tech start-up companies and nonprofit organizations, which has given him proven capabilities in business strategy for high-tech start-up companies, market assessment, company formation, team building, product development, marketing, and sales. He has published numerous articles in journals and magazines on related fields. As a retail investor, he spent 15 years developing his proprietary trading and quantitative algorithms (now Tickeron’s A.I.), which brought him significant returns in trading the stock market. His current work and goal in founding Tickeron is to bring professional, sophisticated stock market analysis capabilities to retail investors via an easy-to-use interface.
Momentum Indicator for EUV turns negative, indicating new downward trend
EUV saw its Momentum Indicator move below the 0 level on October 13, 2026. This is an indication that the stock could be shifting in to a new downward move. Traders may want to consider selling the stock or exploring put options. Tickeron's A.I.dvisor looked at 9 similar instances where the indicator turned negative. In 9 of the 9 cases, the stock moved further down in the following days. The odds of a decline are at 90%.
Technical Analysis (Indicators)
Bearish Trend Analysis
The Moving Average Convergence Divergence Histogram (MACD) for EUV turned negative on October 13, 2026. This could be a sign that the stock is set to turn lower in the coming weeks. Traders may want to sell the stock or buy put options. Tickeron's A.I.dvisor looked at 2 similar instances when the indicator turned negative. In 2 of the 2 cases the stock turned lower in the days that followed. This puts the odds of success at 90%.
EUV moved below its 50-day moving average on October 12, 2026 date and that indicates a change from an upward trend to a downward trend.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where EUV declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 90%.
Bullish Trend Analysis
The RSI Indicator demonstrates that the ticker has stayed in the oversold zone for 1 day, which means it's wise to expect a price bounce in the near future.
The Stochastic Oscillator shows that the ticker has stayed in the oversold zone for 8 days. The price of this ticker is presumed to bounce back soon, since the longer the ticker stays in the oversold zone, the more promptly an upward trend is expected.
Following a +6.53% 3-day Advance, the price is estimated to grow further. Considering data from situations where EUV advanced for three days, in 17 of 20 cases, the price rose further within the following month. The odds of a continued upward trend are 85%.
EUV may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options.
The Aroon Indicator entered an Uptrend today. In 5 of 7 cases where EUV Aroon's Indicator entered an Uptrend, the price rose further within the following month. The odds of a continued Uptrend are 71%.
Notable companies
Industry description
Market Cap
High and low price notable news
Volume
Fundamental Analysis Ratings
The average fundamental analysis ratings, where 1 is best and 100 is worst, are as follows
Advertisement
General Information
Category Technology
Advertisement