iShares MBS ETF (MBB:NASDAQ) closed at $91.29 on October 23, 2026, down 0.10% on the day. The stock trades 5.9% below its 52-week high of $96.97 and 3.1% above its 52-week low of $88.58. iShares MBS ETF is part of the Miscellaneous sector.
In 252 trading sessions since October 23, 2025, MBB closed higher on 130 days (52%). Its best day was October 22, 2026 (+0.93%) and its worst was September 23, 2026 (-1.01%). It never moved 10% or more in a single session.
The investment seeks to track the investment results of the Bloomberg Barclays U.S. MBS Index. The fund seeks to track the performance of the underlying index by investing at least 90% of its assets in the securities of the underlying index and in investments that provide substantially similar exposure to securities in the underlying index. The index measures the performance of investment-grade mortgage-backed pass-through securities ("MBS") issued or guaranteed by U.S. government agencies.
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Based on end-of-day data. For information only, not investment advice.