iShares MBS ETF vs iShares Semiconductor ETF — how do they compare? iShares MBS ETF trades at $89.75 (market cap $35.41B), while iShares Semiconductor ETF trades at $560 (market cap $48.19B). The key difference: iShares Semiconductor ETF is the larger of the two by market cap, and iShares Semiconductor ETF is trading nearer its 52-week high, iShares MBS ETF nearer its low. Which is the better fit depends on your goals — on Pluang, investors hold iShares MBS ETF for 96 Days and iShares Semiconductor ETF for 46 Days on average.
| MBB | SOXX | |
|---|---|---|
Market Cap | $35.41B | $48.19B |
Volume | 5,388,525 | 10,257,578 |
Sector | Fixed Income | Sector/Thematic |
52-Week High | $96.91 | $655.01 |
52-Week Low | $89.09 | $268.10 |
Typical Hold Time | 96 Days | 46 Days |
Signals from Pluang's Aura AI — not financial advice
MBB, the iShares MBS ETF, trades at $89.68, up 0.52% on the day, but technical indicators signal a bearish trend with moving averages and ADX pointing lower. The stock recently hit a new 52-week low of $91.02 on September 15, 2026, as short interest surged 98.3% in September, reflecting negative sentiment. Recent news highlights concerns over rising intermediate-term rates and inflation pressures impacting mortgage-backed securities.
The outlook remains cautious due to interest rate sensitivity and convexity risks in the mortgage market. While institutional buying by firms like Corient Private Wealth provides some support, the bearish technicals and macroeconomic headwinds suggest limited near-term upside. Key risks include further rate hikes and prepayment volatility in the MBS portfolio.
SOXX trades at $559.67, down 3.99% on the day but maintains a bullish technical outlook with strong moving average signals. The semiconductor ETF benefits from AI-driven demand, with Bank of America projecting the global chip market could nearly double by 2030. Recent news highlights strong September performance and ongoing institutional interest, though Michael Burry's expanded short position signals some bearish sentiment.
The outlook remains positive given structural AI growth catalysts, but investors face valuation concerns with SOXX trading at a P/E premium versus broader markets. Key risks include concentration in top holdings and potential AI development slowdowns. Wall Street maintains generally bullish ratings based on earnings growth potential.
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The fund will invest at least 80% of its assets in the component securities of the underlying index and TBAs that have economic characteristics that are substantially identical to the economic characteristics of the component securities of the index, and the fund will invest at least 90% of its assets in fixed income securities included in the underlying index that advisor believes will help the fund track the index.
Read more on MBB →SOXX provides investors with exposure to U.S. companies that design, manufacture, and distribute semiconductors. It tracks the ICE Semiconductor Index, offering a targeted investment in the technology sector's foundational components, including firms that produce chips, related equipment, and services. SOXX is a key vehicle for investors seeking to capitalize on trends in artificial intelligence, 5G, and other technologies that rely heavily on advanced semiconductor technology.
Read more on SOXX →