One strategy I'm working with is day trading VIX ETF's such as TVIX and XIV. On a very short term, intraday basis, the VIX moves perfectly inverse with the S&P tick-for-tick, but obviously with much more amplified movements, so it brings additional leverage. I'm wondering if day trading the VIX futures as many as 300 times a day is plausible. The VIX ETF's and ETN's do not move very well with the VIX, so perhaps futures would be a more efficient method. Thanks for your attention!