scenario,ann_return,ann_vol,sharpe,source year_2023,0.1973164383142847,0.0169850813127954,9.26203621973671,cvx year_2024,0.3244879410047174,0.0313893044750723,9.063212637624453,cvx year_2025_ytd,0.1626597577253727,0.0141675604944292,8.657789587247807,cvx full_period,0.2311862199985135,0.0246845941638198,7.745163591902796,cvx