Question: What was Exelon's Sharpe Ratio during the period February 26, 2022 to October 13, 2022? (Default risk-free rate is 0; annualized (US standard uses arithmetic mean return); 252 trading days per year) Using unadjusted prices, write down the indicator formula, collect the raw data, calculate the answer, and keep four decimal places. Please list the raw data and key calculation process.
Formula: SR = (AnnRet - rf) / (\sigma(r) * \sqrt{252})
Data:
date,close
2022-02-25,42.59999847412109
2022-02-28,42.560001373291016
2022-03-01,42.22999954223633
2022-03-02,42.7599983215332
2022-03-03,43.130001068115234
2022-03-04,44.27999877929688
2022-03-07,43.83000183105469
2022-03-08,43.4900016784668
2022-03-09,43.54999923706055
2022-03-10,43.59999847412109
2022-03-11,43.630001068115234
2022-03-14,43.58000183105469
2022-03-15,43.7599983215332
2022-03-16,43.43999862670898
2022-03-17,43.45000076293945
2022-03-18,43.25
2022-03-21,43.65999984741211
2022-03-22,43.630001068115234
2022-03-23,43.70000076293945
2022-03-24,44.470001220703125
2022-03-25,45.5099983215332
2022-03-28,46.02000045776367
2022-03-29,46.9900016784668
2022-03-30,47.22999954223633
2022-03-31,47.630001068115234
2022-04-01,47.65999984741211
2022-04-04,47.34000015258789
2022-04-05,47.79999923706055
2022-04-06,49.709999084472656
2022-04-07,50.02000045776367
2022-04-08,50.130001068115234
2022-04-11,48.2400016784668
2022-04-12,48.04999923706055
2022-04-13,48.63999938964844
2022-04-14,49.02999877929688
2022-04-18,49.22999954223633
2022-04-19,49.5
2022-04-20,50.25
2022-04-21,49.7400016784668
2022-04-22,48.650001525878906
2022-04-25,48.77000045776367
2022-04-26,48.41999816894531
2022-04-27,47.790000915527344
2022-04-28,48.34000015258789
2022-04-29,46.77999877929688
2022-05-02,46.650001525878906
2022-05-03,46.68999862670898
2022-05-04,47.91999816894531
2022-05-05,46.900001525878906
2022-05-06,47.060001373291016
2022-05-09,46.72999954223633
2022-05-10,46.7599983215332
2022-05-11,47.619998931884766
2022-05-12,45.84999847412109
2022-05-13,46.72999954223633
2022-05-16,46.869998931884766
2022-05-17,47.540000915527344
2022-05-18,47.130001068115234
2022-05-19,47.34999847412109
2022-05-20,47.150001525878906
2022-05-23,47.88999938964844
2022-05-24,48.83000183105469
2022-05-25,49.02000045776367
2022-05-26,49.15999984741211
2022-05-27,49.84999847412109
2022-05-31,49.150001525878906
2022-06-01,49.18999862670898
2022-06-02,48.9900016784668
2022-06-03,48.72999954223633
2022-06-06,48.54999923706055
2022-06-07,49.04999923706055
2022-06-08,48.16999816894531
2022-06-09,46.65999984741211
2022-06-10,46.0099983215332
2022-06-13,43.68000030517578
2022-06-14,42.310001373291016
2022-06-15,42.2599983215332
2022-06-16,41.220001220703125
2022-06-17,40.90999984741211
2022-06-21,41.59999847412109
2022-06-22,41.68999862670898
2022-06-23,42.22999954223633
2022-06-24,43.290000915527344
2022-06-27,43.88999938964844
2022-06-28,43.880001068115234
2022-06-29,44.34000015258789
2022-06-30,45.31999969482422
2022-07-01,46.06999969482422
2022-07-05,43.619998931884766
2022-07-06,44.2599983215332
2022-07-07,44.38999938964844
2022-07-08,44.290000915527344
2022-07-11,44.43000030517578
2022-07-12,44.22999954223633
2022-07-13,43.59999847412109
2022-07-14,44.150001525878906
2022-07-15,44.22999954223633
2022-07-18,43.7599983215332
2022-07-19,43.70000076293945
2022-07-20,43.09999847412109
2022-07-21,43.2599983215332
2022-07-22,44.02000045776367
2022-07-25,44.41999816894531
2022-07-26,44.70000076293945
2022-07-27,44.459999084472656
2022-07-28,46.27000045776367
2022-07-29,46.4900016784668
2022-08-01,46.11000061035156
2022-08-02,45.83000183105469
2022-08-03,44.310001373291016
2022-08-04,45.060001373291016
2022-08-05,44.77000045776367
2022-08-08,44.97999954223633
2022-08-09,45.400001525878906
2022-08-10,45.52999877929688
2022-08-11,45.70000076293945
2022-08-12,46.16999816894531
2022-08-15,46.70000076293945
2022-08-16,46.68999862670898
2022-08-17,46.25
2022-08-18,46.310001373291016
2022-08-19,46.13999938964844
2022-08-22,45.34999847412109
2022-08-23,45.06999969482422
2022-08-24,45.4900016784668
2022-08-25,45.81999969482422
2022-08-26,44.709999084472656
2022-08-29,45.0
2022-08-30,44.060001373291016
2022-08-31,43.90999984741211
2022-09-01,44.45000076293945
2022-09-02,44.08000183105469
2022-09-06,43.88999938964844
2022-09-07,45.11000061035156
2022-09-08,45.369998931884766
2022-09-09,45.84000015258789
2022-09-12,46.11000061035156
2022-09-13,44.02000045776367
2022-09-14,44.34999847412109
2022-09-15,43.2400016784668
2022-09-16,43.209999084472656
2022-09-19,43.38999938964844
2022-09-20,42.77999877929688
2022-09-21,42.09999847412109
2022-09-22,41.68000030517578
2022-09-23,41.66999816894531
2022-09-26,40.58000183105469
2022-09-27,40.150001525878906
2022-09-28,39.68000030517578
2022-09-29,37.75
2022-09-30,37.459999084472656
2022-10-03,38.47999954223633
2022-10-04,40.0099983215332
2022-10-05,38.70000076293945
2022-10-06,37.7599983215332
2022-10-07,36.959999084472656
2022-10-10,37.810001373291016
2022-10-11,37.470001220703125
2022-10-12,35.959999084472656
2022-10-13,37.22999954223633

Indicator data:
Answer: -0.6482