Research Article

Risk Analysis of Gold Prices in Pakistan Using Extreme Value Theory

Table 7

Maximum likelihood estimates of fitted GPA distribution under different thresholds’ level.

Threshold# of exceedProbability less thresholdShape parameter (standard error)Scale parameter than (standard error)

Parameter estimate for positive returns

0.00110680.23820.0989 (0.02895)0.0028 (0.00007)
0.0043750.73250.1530 (0.05438)0.0029 (0.00015)
0.008990.92940.1282 (0.11608)0.0039 (0.00049)
0.012390.97220.0978 (0.18580)0.0045 (0.00094)

Parameter estimate for negative returns

0.0019620.26230.1251 (0.03247)0.0028 (0.00008)
0.0034930.62190.1762 (0.05001)0.0029 (0.00013)
0.0061880.85580.1508 (0.08331)0.0034 (0.00029)
0.009810.93780.1443 (0.14659)0.0040 (0.00061)