The VIX (^VIX) has now risen for four straight days albeit from five-year lows. But the VIX has done that while the S&P 500 Index (INDEXSP:.INX) has actually ticked gradually higher as it’s up 0.5% on balance in those four days.  A large portion of the VIX rise is in anticipation of the heavy economic calendar taking place this week (calendar here) with the FOMC decision tomorrow at the forefront. However part of the rise is likely due to the fact that buyers of protection finally outnumbered the sellers of protection at these low volatility levels. The VIX has ...