Question: For the 30-day Double Exponential Moving Average close price, what is the value for Fair Isaac on September 26, 2022? (Unit: USD) (Smoothing factor alpha = 2 / (n + 1); Require 5n 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: DEMA = 2 * EMA1 - EMA2; EMA1 = EMA_n(P); EMA2 = EMA_n(EMA1)
Data:
date,close
2022-02-18,498.2000122070313
2022-02-22,485.1600036621094
2022-02-23,454.7999877929688
2022-02-24,472.4500122070313
2022-02-25,473.3900146484375
2022-02-28,471.1900024414063
2022-03-01,475.4599914550781
2022-03-02,490.0
2022-03-03,481.9700012207031
2022-03-04,497.2300109863281
2022-03-07,477.0199890136719
2022-03-08,468.9100036621094
2022-03-09,485.9200134277344
2022-03-10,481.6099853515625
2022-03-11,463.1799926757813
2022-03-14,466.0299987792969
2022-03-15,478.6799926757813
2022-03-16,483.7200012207031
2022-03-17,480.2000122070313
2022-03-18,491.6499938964844
2022-03-21,483.7300109863281
2022-03-22,484.7900085449219
2022-03-23,464.4200134277344
2022-03-24,465.1700134277344
2022-03-25,457.5
2022-03-28,462.3900146484375
2022-03-29,479.3599853515625
2022-03-30,476.9599914550781
2022-03-31,466.4599914550781
2022-04-01,449.2900085449219
2022-04-04,452.4299926757813
2022-04-05,439.9100036621094
2022-04-06,419.1000061035156
2022-04-07,421.1799926757813
2022-04-08,418.75
2022-04-11,411.010009765625
2022-04-12,407.3999938964844
2022-04-13,414.9800109863281
2022-04-14,413.7200012207031
2022-04-18,404.739990234375
2022-04-19,409.5499877929688
2022-04-20,408.0899963378906
2022-04-21,386.6700134277344
2022-04-22,382.6000061035156
2022-04-25,386.5
2022-04-26,369.3399963378906
2022-04-27,375.2799987792969
2022-04-28,385.3800048828125
2022-04-29,373.510009765625
2022-05-02,374.0899963378906
2022-05-03,370.5199890136719
2022-05-04,378.4200134277344
2022-05-05,362.6700134277344
2022-05-06,349.8900146484375
2022-05-09,341.44000244140625
2022-05-10,358.4100036621094
2022-05-11,351.0899963378906
2022-05-12,352.7300109863281
2022-05-13,361.5299987792969
2022-05-16,364.3999938964844
2022-05-17,379.6000061035156
2022-05-18,375.6300048828125
2022-05-19,378.7200012207031
2022-05-20,395.4200134277344
2022-05-23,398.7200012207031
2022-05-24,390.8399963378906
2022-05-25,398.1000061035156
2022-05-26,401.6199951171875
2022-05-27,410.9200134277344
2022-05-31,409.5499877929688
2022-06-01,406.25
2022-06-02,419.55999755859375
2022-06-03,420.4500122070313
2022-06-06,416.5899963378906
2022-06-07,421.8800048828125
2022-06-08,408.4800109863281
2022-06-09,404.8299865722656
2022-06-10,401.80999755859375
2022-06-13,381.1400146484375
2022-06-14,379.4100036621094
2022-06-15,395.7999877929688
2022-06-16,374.7900085449219
2022-06-17,379.0299987792969
2022-06-21,385.010009765625
2022-06-22,386.6300048828125
2022-06-23,402.239990234375
2022-06-24,416.1499938964844
2022-06-27,415.0299987792969
2022-06-28,401.3599853515625
2022-06-29,401.05999755859375
2022-06-30,400.8999938964844
2022-07-01,408.260009765625
2022-07-05,411.3299865722656
2022-07-06,419.0
2022-07-07,423.6099853515625
2022-07-08,418.8500061035156
2022-07-11,417.8200073242188
2022-07-12,412.1300048828125
2022-07-13,416.3200073242188
2022-07-14,419.5
2022-07-15,428.2999877929688
2022-07-18,425.3999938964844
2022-07-19,440.4299926757813
2022-07-20,450.0
2022-07-21,466.2200012207031
2022-07-22,467.6499938964844
2022-07-25,469.7000122070313
2022-07-26,427.6199951171875
2022-07-27,437.6700134277344
2022-07-28,456.2699890136719
2022-07-29,462.0299987792969
2022-08-01,460.7000122070313
2022-08-02,462.6000061035156
2022-08-03,470.4599914550781
2022-08-04,475.3999938964844
2022-08-05,482.4700012207031
2022-08-08,489.8399963378906
2022-08-09,490.5799865722656
2022-08-10,501.1099853515625
2022-08-11,486.2300109863281
2022-08-12,490.75
2022-08-15,489.7900085449219
2022-08-16,501.489990234375
2022-08-17,499.1799926757813
2022-08-18,497.3800048828125
2022-08-19,489.7900085449219
2022-08-22,477.9200134277344
2022-08-23,476.1300048828125
2022-08-24,478.7200012207031
2022-08-25,485.5799865722656
2022-08-26,476.8500061035156
2022-08-29,462.5400085449219
2022-08-30,455.8299865722656
2022-08-31,449.3999938964844
2022-09-01,442.8200073242188
2022-09-02,439.7799987792969
2022-09-06,441.6300048828125
2022-09-07,449.5400085449219
2022-09-08,451.6099853515625
2022-09-09,451.7699890136719
2022-09-12,460.6700134277344
2022-09-13,454.3299865722656
2022-09-14,463.9800109863281
2022-09-15,458.0
2022-09-16,465.9500122070313
2022-09-19,449.8399963378906
2022-09-20,450.0700073242188
2022-09-21,449.7000122070313
2022-09-22,439.5899963378906
2022-09-23,427.9100036621094
2022-09-26,428.1799926757813

Indicator data:
Answer: 451.1688