Question: For the 20-day Triple Exponential Moving Average close price, what is the value for Kroger on August 17, 2023? (Unit: USD) (Smoothing factor alpha = 2 / (n + 1); Require 6n data points to warm up; Use the first data point as the initial value) 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: TEMA = 3 * EMA1 - 3 * EMA2 + EMA3; EMA1 = EMA_n(P); EMA2 = EMA_n(EMA1); EMA3 = EMA_n(EMA2)
Data:
date,close
2023-02-24,43.75
2023-02-27,43.40999984741211
2023-02-28,43.13999938964844
2023-03-01,43.380001068115234
2023-03-02,45.72999954223633
2023-03-03,45.97999954223633
2023-03-06,46.47999954223633
2023-03-07,46.90999984741211
2023-03-08,47.45000076293945
2023-03-09,47.25
2023-03-10,47.09999847412109
2023-03-13,46.84999847412109
2023-03-14,47.18000030517578
2023-03-15,48.290000915527344
2023-03-16,47.130001068115234
2023-03-17,46.77999877929688
2023-03-20,47.34999847412109
2023-03-21,47.7599983215332
2023-03-22,48.040000915527344
2023-03-23,48.52000045776367
2023-03-24,49.04999923706055
2023-03-27,48.630001068115234
2023-03-28,48.91999816894531
2023-03-29,49.040000915527344
2023-03-30,49.060001373291016
2023-03-31,49.369998931884766
2023-04-03,49.93999862670898
2023-04-04,49.459999084472656
2023-04-05,48.060001373291016
2023-04-06,48.52000045776367
2023-04-10,48.900001525878906
2023-04-11,47.959999084472656
2023-04-12,47.31999969482422
2023-04-13,47.04999923706055
2023-04-14,46.650001525878906
2023-04-17,47.810001373291016
2023-04-18,47.84999847412109
2023-04-19,47.45000076293945
2023-04-20,47.79999923706055
2023-04-21,47.91999816894531
2023-04-24,48.2400016784668
2023-04-25,47.970001220703125
2023-04-26,47.81999969482422
2023-04-27,48.34000015258789
2023-04-28,48.630001068115234
2023-05-01,49.27999877929688
2023-05-02,49.43999862670898
2023-05-03,48.93999862670898
2023-05-04,48.27999877929688
2023-05-05,49.22999954223633
2023-05-08,49.150001525878906
2023-05-09,49.15999984741211
2023-05-10,49.119998931884766
2023-05-11,49.15999984741211
2023-05-12,49.18000030517578
2023-05-15,49.06999969482422
2023-05-16,48.93000030517578
2023-05-17,49.25
2023-05-18,49.33000183105469
2023-05-19,49.63999938964844
2023-05-22,49.97999954223633
2023-05-23,49.09999847412109
2023-05-24,49.560001373291016
2023-05-25,48.900001525878906
2023-05-26,47.310001373291016
2023-05-30,45.959999084472656
2023-05-31,45.33000183105469
2023-06-01,44.65999984741211
2023-06-02,45.91999816894531
2023-06-05,46.150001525878906
2023-06-06,46.06999969482422
2023-06-07,45.459999084472656
2023-06-08,45.7599983215332
2023-06-09,46.16999816894531
2023-06-12,46.380001068115234
2023-06-13,46.86000061035156
2023-06-14,47.209999084472656
2023-06-15,45.93999862670898
2023-06-16,46.16999816894531
2023-06-20,45.83000183105469
2023-06-21,45.68000030517578
2023-06-22,46.06999969482422
2023-06-23,46.13999938964844
2023-06-26,46.650001525878906
2023-06-27,46.77000045776367
2023-06-28,47.16999816894531
2023-06-29,46.31999969482422
2023-06-30,47.0
2023-07-03,47.43999862670898
2023-07-05,47.040000915527344
2023-07-06,47.290000915527344
2023-07-07,47.16999816894531
2023-07-10,46.880001068115234
2023-07-11,47.56999969482422
2023-07-12,47.34999847412109
2023-07-13,47.0
2023-07-14,46.43999862670898
2023-07-17,46.540000915527344
2023-07-18,46.209999084472656
2023-07-19,46.97999954223633
2023-07-20,47.86000061035156
2023-07-21,47.9900016784668
2023-07-24,48.7400016784668
2023-07-25,48.68999862670898
2023-07-26,48.709999084472656
2023-07-27,48.09999847412109
2023-07-28,48.52000045776367
2023-07-31,48.63999938964844
2023-08-01,48.540000915527344
2023-08-02,49.02000045776367
2023-08-03,49.400001525878906
2023-08-04,49.4900016784668
2023-08-07,49.70000076293945
2023-08-08,48.869998931884766
2023-08-09,49.2599983215332
2023-08-10,49.08000183105469
2023-08-11,48.97999954223633
2023-08-14,48.560001373291016
2023-08-15,47.95000076293945
2023-08-16,47.02000045776367
2023-08-17,46.7400016784668

Indicator data:
Answer: 48.1214