ProShares Short S&P Mid Cap400 (United States) is an exchange-traded fund (ETF), with assets under management totaling $3.59 M.
Over the past 12 months, ProShares Short S&P Mid Cap400 recorded a return of -22.54%, with its price trading between $15.88 and $21.81 during the same period.
The ETF is traded under the ticker MYY.