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Summary
Amid a sharp correction where indices plummeted, a record-breaking volume of contrarian buying flowed into global semiconductor exchange-traded funds (ETFs) SOXX and SOXL.
However, as we entered mid-August, speculative demand for 3x leveraged products cooled down, and a clear trend of capital diversifying into individual large-cap growth stocks and Treasury ETFs has been detected.
While major institutions, including Fidelity, warn of a potential peak in the semiconductor earnings cycle, the upcoming NVIDIA earnings release and the trajectory of U.S. Treasury yields are expected to determine the direction of future capital flows.
Market Overview
As of August 22, 2026, the Nasdaq closed at 26,180.46, the KOSPI at 6,912.95, the KOSDAQ at 801.94, and the USD/KRW exchange rate at 1,388.00 KRW.
According to Daily Stock's proprietary Fear & Greed Index, which measures market participant sentiment, the Nasdaq is currently at 55.2 (Neutral).
This is a slight moderation from the 64 (Greed) registered a week ago, indicating that extreme optimism has cooled down a notch.
At the same time, the KOSPI Fear & Greed Index also stands at 55.4 (Neutral), regaining composure after passing through the extreme fear zone (12.8) a month ago.
Behind these psychological shifts are the recent fierce volatility in the Philadelphia Semiconductor Index and the resulting rapid shift in global capital.
During July, when the Philadelphia Semiconductor Index suffered a historic correction, tumbling approximately 21% monthly, BlackRock's iShares Semiconductor ETF (SOXX) paradoxically saw a monthly record net inflow of $6.92 billion.
Domestic retail investors in South Korea (often referred to as "Seohak Ants") also actively participated in dip-buying, purchasing $7.87 billion worth of the Direxion Daily Semiconductor Bull 3X Shares ETF (SOXL)—which tracks 3x the daily performance of the semiconductor index—during July.
However, the trend changed significantly after the second week of August (August 11–17).
SOXL, which held the top spot for net purchases for a month, fell out of the rankings, while buying interest clearly diversified into individual growth stocks such as Alphabet, SpaceX, and Tesla, as well as short-term Treasury ETFs.
Financial Analysis
Currently, the total Assets Under Management (AUM) of SOXX stands at approximately $42.374 billion.
Despite the sharp price correction in July, its Year-to-Date (YTD) return has maintained a high level of around 67.7% to 69%.
Detailed indicators of semiconductor ETF capital flows are as follows:
| Category | SOXX (Standard Semiconductor ETF) | SOXL (3x Leveraged ETF) |
|---|---|---|
| **Underlying Index** | NYSE Semiconductor Index | NYSE Semiconductor Index (300% Leverage) |
| **Assets Under Management (AUM)** | Approx. $42.374 billion | Approx. $19.563 billion |
| **July Global Net Inflows** | Approx. $6.92 billion (Record High) | Approx. $4.53 billion (Global Total) |
| **Year-to-Date (YTD) Return** | Approx. 67% to 69% | Short-term correction due to price volatility |
| **Inflow Characteristics (Mid-Aug)** | Steady, moderate inflows maintained | Sharp decline in short-term speculative buying by retail investors |
These flow metrics demonstrate that while passive capital with long-term investment horizons continues to flow in steadily, the turnover of high-risk leveraged capital has peaked and is stabilizing downward.
Valuation
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Valuations in the semiconductor sector show extremely high sensitivity to movements in the 10-year U.S. Treasury yield (US10Y).
With the 10-year Treasury yield currently hovering around 4.706%, the rise in the risk-free rate is acting as a factor compressing multiples across technology stocks.
Major companies within SOXX, such as NVIDIA (NVDA), which holds the highest weight at approximately 9.1%, Micron (8.5%), and AMD (8.0%), continue to demand high multiples.
Whether corporate capital expenditure (CAPEX) growth can translate into earnings fast enough to justify current high price-to-earnings (P/E) ratios will be key to supporting future valuations.
If guidance growth stalls or discount rate pressures intensify, a reversal of capital flows could accelerate, and further valuation re-rating cannot be ruled out.
Expert and Institutional Analysis
Jurrien Timmer, Director of Global Macro at Fidelity Investments, recently expressed a cautious view on the semiconductor industry's earnings cycle and demand.
He noted, "Historically, the semiconductor industry has shown an earnings cycle of about 40 months."
He added, "While it is surprising that speculative capital has entered so persistently despite the recent sharp drop in asset values, we may be nearing a peak in terms of the rate of change in growth."
Morningstar's automated analysis report also points to the recent diversification in semiconductor flows.
They analyze that investors are shifting away from blind leverage-chasing and starting to focus on individual company fundamentals and long-term growth potential.
Indeed, the market is viewing NVIDIA's earnings release, scheduled for August 26, as the ultimate litmus test for the sustainability of the semiconductor hardware value chain.
Risk Factors
The biggest risk is the concern over delayed monetization of AI infrastructure investments.
If big tech companies' infrastructure investments fail to translate into tangible service revenue growth, there is a risk that backlogs for semiconductor equipment and chip manufacturers could shrink rapidly.
Secondly, unfavorable changes in the macroeconomic environment present a challenge.
Upward pressure on the Dollar Index (DXY) and elevated U.S. Treasury yields remain chronic discount-rate risks that dampen liquidity across tech stocks.
Finally, regulatory risks and supply chain bottlenecks persist as potential threats that could erode the profit margins of global semiconductor companies.
Investment Outlook
In conclusion, the capital flow in Philadelphia Semiconductor ETFs is assessed to have entered a positive "breathing spell" marked by the cooling of short-term overheating and portfolio diversification.
The massive contrarian buying that flowed in during the July plunge is providing solid downside support.
At the same time, the cooling of leveraged inflows observed since mid-August shows that the market is transitioning into a more rational and calm analytical phase.
Rather than reacting with joy or grief to short-term price fluctuations, investors would do well to adopt a strategy of calmly adjusting exposure while monitoring the path of U.S. Treasury yields and upcoming earnings validations from big tech companies.
Investor Checklist Q&A
Q1. What caused the record-high capital inflows into the semiconductor ETF (SOXX) last July?
A1. When the index fell sharply by about 21% in the short term, many global investors viewed this as an attractive buying opportunity, resulting in strong contrarian dip-buying.
Q2. Why have retail investors recently reduced their purchases of the 3x leveraged SOXL?
A2. Recognizing the risk of volatility decay amid extreme market swings, investors shifted away from high-risk, short-term speculative bets to focus on high-quality, individual growth stocks like Alphabet and Tesla.
Q3. What does Fidelity's warning of a "40-month business cycle" mean?
A3. It warns that because the semiconductor industry has historically followed cyclical patterns, it may be nearing the peak rate of change in earnings growth, meaning investors should be mindful of a potential slowdown in future earnings guidance.
Q4. Specifically, how does a rise in the 10-year U.S. Treasury yield (US10Y) affect semiconductor ETFs?
A4. A rise in the risk-free interest rate increases the discount rate used to calculate the present value of future growth, exerting downward pressure that lowers valuation multiples.
Q5. What are the key events that will determine the future flow of capital into semiconductor ETFs?
A5. The most crucial factors are NVIDIA's (NVDA) earnings announcement and guidance scheduled for August 26, alongside the Federal Reserve's monetary policy direction and the trajectory of interest rates.