Consider a portfolio that fell in value from 51.60 to 50.70. Using an EWMA model with lambda = 0.92 and a prior return volatility estimate of 1.5%, what is the updated return volatility for this portfolio? Note: Your answer in must be expressed in percentage terms and accurate to within 0.01%. E.g., if you find an updated volatility of 1.23%, then put 1.23 as your