Research Article

Stock Portfolio Optimization Using a Combined Approach of Multi Objective Grey Wolf Optimizer and Machine Learning Preselection Methods

Table 5

Comparison of rate of return, stock portfolio risk and return on investment in different years (percentage).

ScenarioYearRisk
H&BNSGA IIMOGWOH&BNSGA IIMOGWOH&BNSGA IIMOGWO

12016−0.4262.0686.990.571.974.0299.99101.20101.66
2017−0.2667.6193.270.481.994.07100.01103.62105.05
201810.2772.4697.731.012.164.28100.18106.38108.84
201938.1489.25114.221.622.454.63101.07109.30112.88
202014.8893.42118.751.573.175.31102.40113.34118.12

22016−0.3254.4392.790.571.934.1699.99101.06101.78
2017−0.1659.9298.570.481.964.20100.01103.20105.38
201810.3764.31103.551.012.214.47100.19105.62109.39
201938.2581.68119.311.612.454.73101.08108.21113.68
202014.9984.75124.031.563.205.42102.41111.88119.19

32016−0.3566.6479.700.542.094.5499.99101.28101.52
2017−0.1973.1885.760.442.124.50100.01103.90104.64
201810.3377.8090.530.972.324.69100.18106.86108.10
201938.2194.38106.411.582.624.99101.07110.02111.82
202014.9498.47111.241.533.265.68102.41114.28116.68

420160.0185.54110.570.511.683.27100.00101.64102.10
20170.1691.52116.290.411.743.26100.03104.97106.41
201810.7096.11121.380.941.913.47100.21108.69111.18
201938.57112.47136.811.542.193.81101.12112.64116.29
202015.31116.97142.501.502.874.51102.47117.80122.72

520160.0182.27109.160.511.823.31100.00101.58102.08
20170.1788.39114.810.421.823.32100.03104.78106.33
201810.7093.24119.700.942.083.52100.22108.38111.03
201938.57109.18135.551.542.293.86101.12112.19116.06
202015.31113.82140.981.503.034.54102.47117.19122.43

620160.0583.44109.960.521.603.31100.00101.60102.09
20170.2089.16115.640.421.653.31100.03104.84106.37
201810.7394.06120.740.951.803.55100.22108.47111.11
201938.60110.33136.231.552.133.86101.13112.33116.19
202015.35114.93141.891.502.794.53102.48117.38122.60

720160.1592.74118.210.471.062.90100.00101.77102.26
20170.3098.70124.720.381.113.00100.04105.38106.87
201810.83103.42128.550.901.283.16100.23109.40111.99
201938.70119.56144.621.511.613.48101.14113.68117.45
202015.45124.23149.551.462.254.20102.49119.20124.28