State Street Prime Money Market ETF
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Robinhood gives you the tools you need to put your money in motion. You can buy or sell MMK and other ETFs, options, and stocks.About MMK
MMK is an actively managed ETF that broadly invests in ultra-short term money market instruments issued from around the world. The fund assesses instruments based on relative attractiveness using its own credit research team.
MMK Key Statistics
Stock Snapshot
With a market cap of 25.07M, State Street Prime Money Market ETF(MMK) trades at $100.29.
On 2026-03-31, State Street Prime Money Market ETF(MMK) shares started trading at —, with intraday highs of — and lows of —.
Trading volume for State Street Prime Money Market ETF(MMK) stock has reached 0, versus its average volume of 26.3.
The stock's 52-week range extends from a low of $100.01 to a high of $100.29.
The stock's 52-week range extends from a low of $100.01 to a high of $100.29.
Average Annual Return
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