check how systematic risk as a percentage if the total risk is the same as the coefficient R2.

Is there any causality?

(data table attached)

\begin{tabular}{|c|c|c|} \hline & IBEX (\%) & STOCK (\%) \\ \hline Covariance (COVAR) & 0.04% & 0.04% \\ \hline Average (AVERAGE) & 0.01% & 0.02% \\ \hline Variance (VAR.S) & 0.05% & 0.11% \\ \hline Deviation (VAR.SO.5) & 2% & 3% \\ \hline Beta (Cov/NAR.S(IBEX)) & 0.72 & 0.72 \\ \hline Alfa (Average of stock return-beta*Average of IBEX return) & & 0.00012 \\ \hline Coefficient.R2 & & 0.2623 \\ \hline & & Specific 1zi2 \\ \hline Decomp. VAR(stock) =02(Ri) & 0.000279425 & 0.00081 \\ \hline In % of Total & 26% & 74% \\ \hline \end{tabular}