ProShares Short MidCap 400 (MYY) Chart & Stock Price History $17.71 -0.01 (-0.06%) As of 10:12 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisChartDividendHoldingsOwnershipShort InterestBuy This Stock ProShares Short MidCap 400 Stock Price Performance The ProShares Short MidCap 400 (MYY) fund chart highlights key performance trends across multiple timeframes. Over the last 12 months, the fund's price has decreased 7.47%, with a year-to-date return of -6.84%. In the past month, the fund has decreased 0.56%, reflecting recent market activity. As of the latest close, ProShares Short MidCap 400 traded at $17.68 with a market cap of $3.89 million and volume of 1,560 shares. Five years ago, the fund traded at $35.60, representing a 50.26% decrease over that period. At the time, it had a market cap of $30.94 million and a volume of 5,676 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-0.28%1 Month Performance-0.56%3 Month Performance-2.96%Year-To-Date Performance-6.84%1 Year Performance-7.47%5 Year Performance-50.26% MYY Stock Chart for Monday, October, 6, 2025 MYY Chart by TradingView ProShares Short MidCap 400 Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization10/03/2025$17.72$17.68-0.23%$17.68$17.591,560 shs$3.89 million10/02/2025$17.76$17.72-0.23%$17.86$17.7226,897 shs$4.78 million10/01/2025$17.79$17.76-0.17%$17.82$17.748,145 shs$4.80 million09/30/2025$17.82$17.79-0.17%$17.96$17.7921,810 shs$4.80 million09/29/2025$17.78$17.82+0.22%$17.87$17.725,849 shs$4.81 million09/26/2025$17.96$17.78-1.00%$17.88$17.784,263 shs$4.80 million09/25/2025$17.83$17.96+0.73%$18.04$17.9326,333 shs$4.85 million09/24/2025$17.92$17.83-0.50%$17.83$17.711,497 shs$4.81 million09/23/2025$17.90$17.92+0.11%$17.95$17.752,739 shs$4.84 million09/22/2025$17.91$17.90-0.06%$17.95$17.903,167 shs$4.83 million Get the Latest News and Ratings for MYY and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ProShares Short MidCap 400 and its competitors with MarketBeat's FREE daily newsletter. 09/19/2025$17.75$17.91+0.90%$17.92$17.91669 shs$4.84 million09/18/2025$17.96$17.75-1.17%$17.81$17.733,084 shs$4.79 million09/17/2025$17.94$17.96+0.11%$17.98$17.723,508 shs$4.85 million09/16/2025$17.89$17.94+0.28%$18.03$17.941,683 shs$4.84 million09/15/2025$17.87$17.89+0.11%$17.92$17.812,999 shs$4.83 million09/12/2025$17.69$17.87+1.02%$17.87$17.722,766 shs$4.83 million09/11/2025$17.97$17.69-1.56%$17.93$17.691,397 shs$4.78 million09/10/2025$17.96$17.97+0.06%$17.98$17.94572 shs$4.85 million09/09/2025$17.81$17.96+0.84%$17.99$17.842,106 shs$4.85 million09/08/2025$17.81$17.81$17.89$17.722,895 shs$4.81 million09/05/2025$17.89$17.81-0.45%$17.88$17.713,590 shs$4.81 million Related Companies Harbor Mid Cap Value ETF Stock Price Chart Harbor Mid Cap Core ETF Stock Price Chart Xtrackers S&P MidCap 400 Scored & Screened ETF Stock Price Chart Alger Weatherbie Enduring Growth ETF Stock Price Chart ProShares UltraPro Short MidCap 400 Stock Price Chart WisdomTree U.S. MidCap Quality Growth Fund Stock Price Chart ProShares UltraShort MidCap 400 Stock Price Chart JPMorgan Fundamental Data Science Mid Core ETF Stock Price Chart Mid Cap US Equity Select ETF Stock Price Chart Strive Mid-Cap ETF Stock Price Chart Receive MYY Stock News and Ratings via EmailSign-up to receive the latest news and ratings for ProShares Short MidCap 400 and its competitors with MarketBeat's FREE daily newsletter. 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