Compare iShares MBS ETF (MBB) vs Vanguard Total Stock Market Index Fund ETF (VTI) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
iShares MBS ETF vs Vanguard Total Stock Market Index Fund ETF — how do they compare? iShares MBS ETF trades at $89.5 (market cap $35.41B), while Vanguard Total Stock Market Index Fund ETF trades at $381.06 (market cap $2.30T). The key difference: Vanguard Total Stock Market Index Fund ETF is far larger — about 65× iShares MBS ETF's market cap, and Vanguard Total Stock Market Index Fund 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 Vanguard Total Stock Market Index Fund ETF for 131 Days on average.
| MBB | VTI | |
|---|---|---|
Market Cap | $35.41B | $2.30T |
Volume | 5,388,525 | 2,982,924 |
Sector | Fixed Income | — |
52-Week High | $96.91 | $384.30 |
52-Week Low | $89.09 | $311.68 |
Typical Hold Time | 96 Days | 131 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
MBB, the iShares MBS ETF, trades at $89.54, up 0.36% on the day but showing a bearish technical signal overall. The ETF has faced significant short interest growth of 98.3% in September 2026, reaching 6.57 million shares, and recently hit a 52-week low. Recent news highlights concerns over intermediate duration risk amid potential rate hikes, though institutional buying from firms like Corient Private Wealth and Baird Financial Group provides some support. Key technical indicators show oversold conditions on the 12-day RSI but strong selling pressure from moving averages.
The outlook for MBB remains cautious due to interest rate sensitivity and convexity risks in the mortgage-backed securities market. While dividend payments offer income, rising rates and inflation pressures pose downside risks. Analyst sentiment is neutral to bearish, with the ETF's performance heavily tied to Federal Reserve policy. Investors should weigh the high yield against duration risk in a tightening cycle.
VTI trades at $380.52, down slightly by 0.13% with a bullish technical signal from moving averages. The ETF maintains broad U.S. equity exposure across 3,500+ stocks, though concentration in top holdings remains significant. Recent news highlights long-term growth potential with $500 monthly investments since 2001 growing to approximately $876,000 according to Motley Fool (2026-10-01).
VTI offers diversified U.S. market access with low costs, suitable for long-term investors. Risks include market concentration in top holdings and broader economic sensitivity. Analyst sentiment remains positive for buy-and-hold strategies, though recent articles question the value added by small/mid-cap exposure versus S&P 500-focused alternatives.
Returns comparison
Trailing returns across standard periods
Returns comparison
Trailing returns across standard periods
Investor sentiment on Pluang
What Pluang investors did over the last 30 days
Investor sentiment on Pluang
What Pluang investors did over the last 30 days
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 →About Vanguard Total Stock Market Index Fund ETF
The fund employs an indexing investment approach designed to track the performance of the index, which represents approximately 100% of the investable US stock market and includes large-, mid-, small-, and micro-cap stocks. It invests by sampling the index, meaning that it holds a broadly diversified collection of securities that, in the aggregate, approximates the full index in terms of key characteristics.
Read more on VTI →
