Question: On July 12, 2021, what is the Percentage Price Oscillator value for Oneok? (Standard parameters: fast 12, slow 26; 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: PPO = (EMA_{n_{fast}}(P) - EMA_{n_{slow}}(P)) / EMA_{n_{slow}}(P) * 100
Data:
date,close
2021-02-10,44.75
2021-02-11,44.27999877929688
2021-02-12,45.11000061035156
2021-02-16,45.95000076293945
2021-02-17,45.9900016784668
2021-02-18,44.86000061035156
2021-02-19,45.81999969482422
2021-02-22,46.09999847412109
2021-02-23,45.619998931884766
2021-02-24,46.709999084472656
2021-02-25,45.400001525878906
2021-02-26,44.290000915527344
2021-03-01,47.470001220703125
2021-03-02,46.88999938964844
2021-03-03,47.77000045776367
2021-03-04,48.25
2021-03-05,49.56999969482422
2021-03-08,49.540000915527344
2021-03-09,48.63999938964844
2021-03-10,50.95000076293945
2021-03-11,50.400001525878906
2021-03-12,51.59999847412109
2021-03-15,51.290000915527344
2021-03-16,49.540000915527344
2021-03-17,50.31999969482422
2021-03-18,48.20000076293945
2021-03-19,48.459999084472656
2021-03-22,48.4900016784668
2021-03-23,47.45000076293945
2021-03-24,48.7400016784668
2021-03-25,49.68999862670898
2021-03-26,51.18000030517578
2021-03-29,50.56999969482422
2021-03-30,50.2599983215332
2021-03-31,50.65999984741211
2021-04-01,51.34999847412109
2021-04-05,51.02999877929688
2021-04-06,51.2599983215332
2021-04-07,51.13999938964844
2021-04-08,50.459999084472656
2021-04-09,50.91999816894531
2021-04-12,50.90999984741211
2021-04-13,51.09000015258789
2021-04-14,51.5099983215332
2021-04-15,52.38999938964844
2021-04-16,51.59999847412109
2021-04-19,51.77999877929688
2021-04-20,50.630001068115234
2021-04-21,52.15999984741211
2021-04-22,51.040000915527344
2021-04-23,50.59999847412109
2021-04-26,50.459999084472656
2021-04-27,50.880001068115234
2021-04-28,52.130001068115234
2021-04-29,52.59999847412109
2021-04-30,52.34000015258789
2021-05-03,52.720001220703125
2021-05-04,52.58000183105469
2021-05-05,53.150001525878906
2021-05-06,53.40999984741211
2021-05-07,53.380001068115234
2021-05-10,53.959999084472656
2021-05-11,53.27000045776367
2021-05-12,52.560001373291016
2021-05-13,52.77999877929688
2021-05-14,54.34999847412109
2021-05-17,55.0099983215332
2021-05-18,53.97999954223633
2021-05-19,52.86000061035156
2021-05-20,53.68999862670898
2021-05-21,53.2599983215332
2021-05-24,54.13999938964844
2021-05-25,52.65999984741211
2021-05-26,52.5099983215332
2021-05-27,52.79999923706055
2021-05-28,52.7400016784668
2021-06-01,53.77000045776367
2021-06-02,54.25
2021-06-03,53.720001220703125
2021-06-04,53.95000076293945
2021-06-07,55.16999816894531
2021-06-08,55.77999877929688
2021-06-09,54.84000015258789
2021-06-10,54.77999877929688
2021-06-11,55.060001373291016
2021-06-14,55.43999862670898
2021-06-15,55.97999954223633
2021-06-16,57.02000045776367
2021-06-17,54.15999984741211
2021-06-18,53.02000045776367
2021-06-21,55.59000015258789
2021-06-22,55.470001220703125
2021-06-23,55.22999954223633
2021-06-24,55.88999938964844
2021-06-25,56.54999923706055
2021-06-28,55.43999862670898
2021-06-29,55.18000030517578
2021-06-30,55.63999938964844
2021-07-01,56.93000030517578
2021-07-02,57.38999938964844
2021-07-06,56.4900016784668
2021-07-07,55.43999862670898
2021-07-08,55.380001068115234
2021-07-09,57.52000045776367
2021-07-12,56.91999816894531

Indicator data:
Answer: 1.1817