11/1/2013 · El VIX se calcula utilizando una serie de opciones del índice de referencia. Existen distintos índices de volatilidad, como son el VXN para el Nasdaq 100, el RVX para el Russell 2000 , el VXO para el SP100 aunque el VIX del SP500 que es el más famoso y utilizado. 5/4/2012 · The iPath Inverse S&P 500 VIX Short-Term ETN (ARCA:XXV) basically looks to replicate the performance of shorting the VXX, while the VelocityShares Daily Inverse VIX Short-Term ETN (ARCA:XIV) likewise seeks to deliver the performance of going short a weighted average maturity of one month VIX futures. Please also read carefully the agreements, disclosures, disclaimers and assumptions of risk presented to you separately by TradeStation Securities, TradeStation Crypto, TradeStation Technologies, and You Can Trade on the TradeStation Group company site and the separate sites, portals and account or subscription application or sign-up processes