Compare iShares 3 7 Year Treasury Bond ETF (IEI) vs iShares MBS ETF (MBB) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
iShares 3 7 Year Treasury Bond ETF vs iShares MBS ETF — how do they compare? iShares 3 7 Year Treasury Bond ETF trades at $113.49 (market cap $16.72B), while iShares MBS ETF trades at $89.79 (market cap $35.41B). The key difference: iShares MBS ETF is far larger — about 2.1× iShares 3 7 Year Treasury Bond ETF's market cap, and iShares MBS ETF is more actively traded (5,388,525 versus 3,963,319). Which is the better fit depends on your goals — on Pluang, investors hold iShares 3 7 Year Treasury Bond ETF for 43 Days and iShares MBS ETF for 96 Days on average.
| IEI | MBB | |
|---|---|---|
Market Cap | $16.72B | $35.41B |
Volume | 3,963,319 | 5,388,525 |
Sector | Fixed Income | Fixed Income |
52-Week High | $120.72 | $96.91 |
52-Week Low | $113.17 | $89.09 |
Typical Hold Time | 43 Days | 96 Days |
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
IEI trades at $113.49 with minimal daily movement, up 0.1%. Technical indicators show a bearish trend with moving averages signaling sell pressure, though oscillators are neutral. Recent corporate actions include consistent dividend payments. The bond market environment, highlighted by rising Treasury yields, influences sentiment, with news pointing to volatility in interest rates affecting fixed-income related assets.
The outlook remains cautious due to bearish technical signals and macroeconomic pressures from rising yields. Investment opportunities include dividend consistency, but risks involve interest rate sensitivity and market volatility. A neutral to bearish stance is warranted pending clearer fundamental data or stabilization in bond markets.
MBB (iShares MBS ETF) trades at $89.73 with a slight 0.57% daily gain, though technical indicators signal bearish momentum with moving averages and ADX both in sell territory. The ETF recently hit a 52-week low of $91.02 in September 2026, reflecting pressure from rising intermediate-term rates and inflation concerns. Recent institutional activity shows mixed sentiment, with Corient Private Wealth increasing its position by 28.3% while short interest surged 98.3% to 6.57 million shares as of September 15, 2026.
The outlook remains cautious due to interest rate sensitivity and convexity risk in mortgage-backed securities. While Norway's $2.3 trillion sovereign wealth fund rotation into MBS provides institutional support, the intermediate duration of 5.68 years exposes MBB to Fed policy uncertainty. Key risks include persistent inflation and borrower prepayment behavior limiting upside potential.
Returns comparison
Trailing returns across standard periods
Returns comparison
Trailing returns across standard periods
About iShares 3 7 Year Treasury Bond ETF
IEI tracks the ICE U.S. Treasury 3-7 Year Bond Index, offering exposure to intermediate-term government debt. It serves as a conservative middle ground in the Treasury yield curve, providing higher yields than short-term bills with less volatility than long-term bonds.
Read more on IEI →About iShares MBS ETF
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 →
