ARCA:MDY

State Street SPDR S&P MIDCAP 400 ETF Trust
ARCA • MDY • US78467Y1073
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Market Cap

25.5b USD

Volume

623.15k shares | 424.87m USD

Shares Outstanding

38.69m

Free Float Shares

100.00% | 38.69m

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MDY key data

State Street SPDR S&P MIDCAP 400 ETF Trust (ARCA: MDY) has a market capitalization of $25.53B. Last close $659.87 (as of 2026-10-19); 52-week range $568.21 to $717.35.