Question: What is the value of Average True Range for KeyCorp on October 01, 2021? (Standard period: 14; ATR calculation uses Wilder Smoothing, using the first data point as the initial value; Require 4n data points to warm up) 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: TR_t = max(H_t - L_t, |H_t - C_{t-1}|, |L_t - C_{t-1}|); ATR = Wilder_n(TR); Wilder Smoothing alpha = 1/n
Data:
date,high,low,close
2021-07-14,20.399999618530277,19.68000030517578,19.989999771118164
2021-07-15,20.32999992370605,19.700000762939453,20.15999984741211
2021-07-16,20.34000015258789,19.299999237060547,19.350000381469727
2021-07-19,19.01000022888184,18.350000381469727,18.489999771118164
2021-07-20,19.399999618530277,17.899999618530273,19.100000381469727
2021-07-21,19.65999984741211,19.299999237060547,19.40999984741211
2021-07-22,19.34000015258789,18.8799991607666,19.0
2021-07-23,19.530000686645508,19.01000022888184,19.100000381469727
2021-07-26,19.530000686645508,19.15999984741211,19.350000381469727
2021-07-27,19.540000915527344,18.989999771118164,19.36000061035156
2021-07-28,19.809999465942383,19.209999084472656,19.59000015258789
2021-07-29,20.059999465942383,19.6299991607666,19.8700008392334
2021-07-30,20.06999969482422,19.549999237060547,19.65999984741211
2021-08-02,20.309999465942383,19.530000686645508,19.540000915527344
2021-08-03,20.06999969482422,19.299999237060547,20.01000022888184
2021-08-04,20.100000381469727,19.59000015258789,19.6299991607666
2021-08-05,19.989999771118164,19.76000022888184,19.899999618530277
2021-08-06,20.559999465942383,20.15999984741211,20.32999992370605
2021-08-09,20.46999931335449,20.0,20.200000762939453
2021-08-10,20.68000030517578,20.07999992370605,20.57999992370605
2021-08-11,20.920000076293945,20.3799991607666,20.8799991607666
2021-08-12,20.93000030517578,20.6200008392334,20.82999992370605
2021-08-13,20.989999771118164,20.57999992370605,20.68000030517578
2021-08-16,20.63999938964844,20.21999931335449,20.520000457763672
2021-08-17,20.459999084472656,19.920000076293945,20.209999084472656
2021-08-18,20.420000076293945,19.989999771118164,20.020000457763672
2021-08-19,19.979999542236328,19.56999969482422,19.739999771118164
2021-08-20,19.920000076293945,19.59000015258789,19.90999984741211
2021-08-23,20.270000457763672,20.020000457763672,20.15999984741211
2021-08-24,20.479999542236328,20.18000030517578,20.40999984741211
2021-08-25,20.979999542236328,20.38999938964844,20.850000381469727
2021-08-26,20.940000534057617,20.420000076293945,20.51000022888184
2021-08-27,20.940000534057617,20.479999542236328,20.88999938964844
2021-08-30,20.75,20.15999984741211,20.170000076293945
2021-08-31,20.479999542236328,20.1200008392334,20.31999969482422
2021-09-01,20.36000061035156,19.920000076293945,20.01000022888184
2021-09-02,20.31999969482422,19.93000030517578,20.1200008392334
2021-09-03,21.11000061035156,19.899999618530277,20.049999237060547
2021-09-07,20.38999938964844,20.030000686645508,20.040000915527344
2021-09-08,20.059999465942383,19.700000762939453,19.739999771118164
2021-09-09,20.15999984741211,19.61000061035156,19.96999931335449
2021-09-10,20.15999984741211,19.84000015258789,19.8700008392334
2021-09-13,20.76000022888184,20.020000457763672,20.71999931335449
2021-09-14,20.940000534057617,20.459999084472656,20.600000381469727
2021-09-15,21.13999938964844,20.700000762939453,21.0
2021-09-16,21.21999931335449,20.850000381469727,20.88999938964844
2021-09-17,21.18000030517578,20.68000030517578,20.76000022888184
2021-09-20,20.190000534057617,19.68000030517578,20.059999465942383
2021-09-21,20.25,19.799999237060547,19.93000030517578
2021-09-22,20.530000686645508,20.18000030517578,20.309999465942383
2021-09-23,21.13999938964844,20.489999771118164,20.96999931335449
2021-09-24,21.34000015258789,20.96999931335449,21.13999938964844
2021-09-27,21.93000030517578,21.38999938964844,21.81999969482422
2021-09-28,22.11000061035156,21.700000762939453,21.75
2021-09-29,22.06999969482422,21.65999984741211,21.989999771118164
2021-09-30,22.18000030517578,21.6200008392334,21.6200008392334
2021-10-01,22.5,21.780000686645508,22.34000015258789

Indicator data:
Answer: 0.5802