A computer implemented method, system, and software for calculating and using an intraday indicative value of a leveraged Bullish or Bearish exchange traded fund (“ETF”) for arbitrage purposes, includes calculating an intraday current value of all the equity securities in the ETF (applicable only...http://www.google.com.tw/patents/US20060253376?utm_source=gb-gplus-share專利 US20060253376 - Method and system for calculating an intraday indicative value of a leveraged bullish and bearish exchange traded funds
