By the solid blue line represented S&P500 shows lower low and lower high in April .
Relation of VXV (CBOE S&P500 3-M Volatlity) and VIX (CBOE Volatlity) - candle chart - gives us information about the VIX term structure (VXV/VIX>1 => contango, VXV/VIX<1 backwardation). The lower the number, the higher the possibility of correction within 3Mo (by exhausting)...