Question: What is the value of MACD Signal for Weyerhaeuser on March 23, 2022? (Standard parameters: fast 12, slow 26, signal 9; Require 104 data points to warm up; EMA uses 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: Signal Line = EMA_{n_{signal}}(MACD Line); MACD Line = EMA_{n_{fast}}(P) - EMA_{n_{slow}}(P)
Data:
date,close
2021-10-22,37.13999938964844
2021-10-25,37.72999954223633
2021-10-26,36.7599983215332
2021-10-27,35.709999084472656
2021-10-28,36.400001525878906
2021-10-29,35.720001220703125
2021-11-01,36.97999954223633
2021-11-02,36.150001525878906
2021-11-03,38.27000045776367
2021-11-04,38.13999938964844
2021-11-05,38.33000183105469
2021-11-08,37.72999954223633
2021-11-09,37.54999923706055
2021-11-10,36.88999938964844
2021-11-11,36.810001373291016
2021-11-12,36.93000030517578
2021-11-15,37.40999984741211
2021-11-16,38.36000061035156
2021-11-17,38.52000045776367
2021-11-18,37.93999862670898
2021-11-19,38.040000915527344
2021-11-22,38.84999847412109
2021-11-23,38.540000915527344
2021-11-24,38.97999954223633
2021-11-26,38.41999816894531
2021-11-29,38.75
2021-11-30,37.61000061035156
2021-12-01,37.63999938964844
2021-12-02,38.5099983215332
2021-12-03,38.33000183105469
2021-12-06,38.459999084472656
2021-12-07,39.34999847412109
2021-12-08,39.47999954223633
2021-12-09,39.75
2021-12-10,40.02000045776367
2021-12-13,40.04999923706055
2021-12-14,38.88999938964844
2021-12-15,39.470001220703125
2021-12-16,39.630001068115234
2021-12-17,39.63999938964844
2021-12-20,38.130001068115234
2021-12-21,38.459999084472656
2021-12-22,38.83000183105469
2021-12-23,38.63999938964844
2021-12-27,39.65999984741211
2021-12-28,39.86000061035156
2021-12-29,40.68000030517578
2021-12-30,40.970001220703125
2021-12-31,41.18000030517578
2022-01-03,40.56999969482422
2022-01-04,41.09000015258789
2022-01-05,40.06999969482422
2022-01-06,40.38999938964844
2022-01-07,40.34000015258789
2022-01-10,40.150001525878906
2022-01-11,40.72999954223633
2022-01-12,41.04999923706055
2022-01-13,41.65999984741211
2022-01-14,40.97999954223633
2022-01-18,39.27999877929688
2022-01-19,39.18000030517578
2022-01-20,38.290000915527344
2022-01-21,38.0099983215332
2022-01-24,38.84999847412109
2022-01-25,38.470001220703125
2022-01-26,38.08000183105469
2022-01-27,37.88999938964844
2022-01-28,39.650001525878906
2022-01-31,40.43000030517578
2022-02-01,40.630001068115234
2022-02-02,41.470001220703125
2022-02-03,41.31999969482422
2022-02-04,40.4900016784668
2022-02-07,40.97999954223633
2022-02-08,41.790000915527344
2022-02-09,42.56999969482422
2022-02-10,41.81999969482422
2022-02-11,41.560001373291016
2022-02-14,40.90999984741211
2022-02-15,41.83000183105469
2022-02-16,41.86000061035156
2022-02-17,39.16999816894531
2022-02-18,39.18000030517578
2022-02-22,38.47999954223633
2022-02-23,37.27999877929688
2022-02-24,38.22999954223633
2022-02-25,39.20000076293945
2022-02-28,38.880001068115234
2022-03-01,38.619998931884766
2022-03-02,39.4900016784668
2022-03-03,39.16999816894531
2022-03-04,39.29999923706055
2022-03-07,38.470001220703125
2022-03-08,38.52000045776367
2022-03-09,38.9900016784668
2022-03-10,40.09999847412109
2022-03-11,39.619998931884766
2022-03-14,38.77000045776367
2022-03-15,39.470001220703125
2022-03-16,39.27000045776367
2022-03-17,39.5099983215332
2022-03-18,39.9900016784668
2022-03-21,39.18999862670898
2022-03-22,38.20000076293945
2022-03-23,38.150001525878906

Indicator data:
Answer: -0.1937