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iShares MBS ETF(MBB)
Advisory History & Simulated Performance *
*as per simulation (see disclosures)- ALL
- 1Y
- 1M
- 1W
- BUY Advisory
- SELL Advisory (Profit)
- SELL Advisory (Loss)
- Profit
- Loss
- PASS (Skip)
Advisory Performance History (Simulated)
Upturn Advisory & Investor View for MBB
11/13/2026: MBB (3-star) is a WEAK-BUY. BUY for 12 days. Simulated Profits (-1.06%). Updated daily EoD!
iShares MBS ETF (MBB) provides broad exposure to U.S. agency mortgage-backed securities, holding assets guaranteed by Ginnie Mae, Fannie Mae, and Freddie Mac. Its primary strengths are its exceptional liquidity, low expense ratio, and the high credit quality of its underlying government-backed holdings. It serves as an effective tool for income generation and portfolio diversification in fixed-income allocations. Investors should be mindful of interest rate sensitivity and prepayment risks that can impact performance. It is particularly well-suited for income-seeking, risk-averse investors monitoring the broader interest rate environment.
How to Read the Upturn Advisory
The Upturn Star Rating and the current BUY, SELL, or PASS advisory are generated by Upturn’s AI advisory engine based on proprietary signal analysis, price behavior, advisory history, and historical signal performance.
ETF holdings, costs, diversification, valuation, risks, and market conditions provide supporting context about the fund.
Investor Fit
| Investor style | Fit | Why |
|---|---|---|
| Growth investor | Weak fit | This fund is designed for capital preservation and income rather than aggressive capital appreciation. |
| Momentum investor | Weak fit | Interest rate sensitive assets generally do not exhibit the trend characteristics favored by momentum strategies. |
| Value investor | Mixed fit | While it offers a defensive yield, it is not a classic value equity play. |
| Dividend/Income investor | Strong fit | It provides a steady stream of monthly income derived from mortgage interest payments. |
| Low-risk investor | Strong fit | The underlying agency-backed securities provide high credit quality and relative stability compared to corporate or junk bonds. |
Investor Profile
Ideal Investor Profile
Income-oriented investors looking for exposure to high-quality U.S. agency mortgage-backed securities.
Suitability
Best for long-term investors seeking a stable income-producing component in a diversified portfolio.
Risk Profile
| Risk factor | Level | Why it matters |
|---|---|---|
| Volatility | Medium | Fluctuations in interest rates can lead to price volatility in mortgage-backed securities. |
| Market risk | Medium | Broader economic and financial market conditions can influence bond pricing. |
| Concentration | Medium / high | The fund is entirely concentrated in the agency mortgage-backed securities sector. |
| Tracking/expense | Low | The low expense ratio and efficient management minimize tracking error. |
| Liquidity | Low | The underlying securities are generally liquid, though markets can occasionally tighten. |
| Business/sector quality | Low / none | The sector consists of high-quality government-backed assets. |
Sector & Industry Intelligence
This fund is not assigned to one sector.
Risk Analysis
Volatility
MBB exhibits moderate historical volatility typical of intermediate-duration fixed-income instruments.
Market Risk
The fund is primarily exposed to interest rate risk and prepayment risk inherent to the U.S. mortgage market.
What the ETF Owns
| Exposure Type | Exposure | Weight (%) | Retail Investor Read |
|---|---|---|---|
| Fixed-income type | U.S. Agency Mortgage-Backed Securities | 99 | These securities are backed by the implicit or explicit guarantee of the U.S. government, providing a high level of credit safety. |
| Cash/collateral | Cash and Cash Equivalents | 1 | A small cash buffer is maintained to manage daily fund flows and operational liquidity. |
Price Behavior

Flat / Range-Bound
The stock price has been trading within a narrow range with minimal directional movement.

Very Smooth
The stock has followed a highly orderly price path with minimal short-term disruption.
Analysis of Past Performance
Type ETF | Historic Profit 9.88% | Avg. Invested days 60 | Today’s Advisory WEAK BUY |
Upturn Advisory Rating ![]() | Upturn Advisory Performance | ETF Returns Performance |

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