You are given the following information concerning three portfolios, the market portfolio, and the risk-free asset:

Portfolio Rp p p X 12.50 % 38.00 % 1.45 Y 11.50 33.00 1.15 Z 9.40 23.00 .80

Market 11.90 28.00 1.00

Risk-free 6.20 0 0

Assume that the tracking error of Portfolio X is 13.50 percent. What is the information ratio for Portfolio X? (A negative value should be indicated by a minus sign. Do not round intermediate calculations. Round your answer to 4 decimal places.)