Price-Forecasting Models for ProShares UltraPro S&P 500 UPRO Stock (Leveraged 3X ETF Book 785) - Kindle edition by Ta, Ton Viet. Humor & Entertainment Kindle eBooks @ Amazon.com.
The ProShares UltraPro Short S&P500 ETF offers 3x daily short leverage to the S&P500 (a bearish short-term tool for large cap equities). Wednesday's option activity was not the type of activity associated