State Street Prime Money Market (MMK:NYSE) closed at $100.28 on October 23, 2026, up 0.03% on the day. The stock trades 0.1% below its 52-week high of $100.34 and 0.3% above its 52-week low of $99.99. Over the past year, it gained 0.3%. State Street Prime Money Market is part of the Miscellaneous sector.
In 175 trading sessions since February 13, 2026, MMK closed higher on 140 days (80%). Its best day was April 2, 2026 (+0.05%) and its worst was June 1, 2026 (-0.32%). It never moved 10% or more in a single session.
To achieve investment objective, the Fund follows a disciplined investment process in which SSGA Funds Management, Inc. (SSGA FM or the Adviser), the investment adviser to the Fund, bases its decisions on the relative attractiveness of different money market instruments. In the Adviser's opinion, the attractiveness of an instrument may vary depending on the general level of interest rates, as well as imbalances of supply and demand in the market. Among other things, the Adviser conducts its own credit analyses of potential investments and portfolio holdings and relies substantially on a dedicated short-term credit research team. The investment objective of the State Street Prime Money Market ETF (the Fund) is to seek to maximize current income, to the extent consistent with the preservation of capital and liquidity.
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Based on end-of-day data. For information only, not investment advice.