[Retracted] Dynamic Index Optimal Investment Strategy Based on Stochastic Differential Equations in Financial Market Options

Table 2

Proportion of stock investment.

Year	Company A	Company B	Company C	Company D	Average value
2015	0.045	0.047	0.014	0.01	0.029
2016	0.084	0.076	0.06	0.073	0.073
2017	0.063	0.055	0.043	0.051	0.053
2018	0.074	0.08	0.037	0.06	0.063
2019	0.08	0.085	0.04	0.047	0.063