Question: What was CDW Corporation's Excess Kurtosis during the period June 24, 2024 to February 16, 2025? 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: Kurt(r) = E[(r - \mu)^4] / \sigma^4 - 3
Data:
date,close
2024-06-21,235.4900054931641
2024-06-24,231.6100006103516
2024-06-25,224.6199951171875
2024-06-26,223.1300048828125
2024-06-27,224.05999755859372
2024-06-28,223.83999633789065
2024-07-01,219.19000244140625
2024-07-02,219.1199951171875
2024-07-03,218.1100006103516
2024-07-05,216.3000030517578
2024-07-08,216.8699951171875
2024-07-09,214.8000030517578
2024-07-10,218.8699951171875
2024-07-11,223.82000732421875
2024-07-12,228.5
2024-07-15,232.7700042724609
2024-07-16,239.83999633789065
2024-07-17,236.97999572753903
2024-07-18,233.6999969482422
2024-07-19,228.83999633789065
2024-07-22,232.5200042724609
2024-07-23,230.1499938964844
2024-07-24,229.2100067138672
2024-07-25,228.6199951171875
2024-07-26,229.7400054931641
2024-07-29,231.38999938964844
2024-07-30,232.47000122070312
2024-07-31,218.1100006103516
2024-08-01,213.58999633789065
2024-08-02,209.8500061035156
2024-08-05,206.6699981689453
2024-08-06,208.4499969482422
2024-08-07,208.9900054931641
2024-08-08,212.30999755859372
2024-08-09,213.72999572753903
2024-08-12,212.1000061035156
2024-08-13,215.8999938964844
2024-08-14,216.67999267578125
2024-08-15,221.8699951171875
2024-08-16,222.75999450683597
2024-08-19,219.1999969482422
2024-08-20,221.1499938964844
2024-08-21,224.94000244140625
2024-08-22,225.19000244140625
2024-08-23,229.7400054931641
2024-08-26,229.30999755859372
2024-08-27,226.9900054931641
2024-08-28,224.5
2024-08-29,223.1199951171875
2024-08-30,225.63999938964844
2024-09-03,217.6699981689453
2024-09-04,214.47999572753903
2024-09-05,214.82000732421875
2024-09-06,212.2100067138672
2024-09-09,214.13999938964844
2024-09-10,215.8600006103516
2024-09-11,215.8000030517578
2024-09-12,218.63999938964844
2024-09-13,220.1499938964844
2024-09-16,221.4499969482422
2024-09-17,223.32000732421875
2024-09-18,221.6199951171875
2024-09-19,227.8699951171875
2024-09-20,225.3000030517578
2024-09-23,224.1100006103516
2024-09-24,224.27999877929688
2024-09-25,221.27999877929688
2024-09-26,228.6300048828125
2024-09-27,226.5500030517578
2024-09-30,226.3000030517578
2024-10-01,217.80999755859372
2024-10-02,219.3500061035156
2024-10-03,218.25999450683597
2024-10-04,221.69000244140625
2024-10-07,220.4900054931641
2024-10-08,223.6100006103516
2024-10-09,225.6999969482422
2024-10-10,221.69000244140625
2024-10-11,222.0
2024-10-14,223.47999572753903
2024-10-15,220.1300048828125
2024-10-16,220.16000366210935
2024-10-17,221.17999267578125
2024-10-18,218.30999755859372
2024-10-21,220.3500061035156
2024-10-22,217.0800018310547
2024-10-23,217.6499938964844
2024-10-24,219.16000366210935
2024-10-25,217.00999450683597
2024-10-28,218.5
2024-10-29,219.8999938964844
2024-10-30,195.05999755859372
2024-10-31,188.22999572753903
2024-11-01,188.3800048828125
2024-11-04,191.1000061035156
2024-11-05,192.9900054931641
2024-11-06,202.7899932861328
2024-11-07,202.8999938964844
2024-11-08,199.8699951171875
2024-11-11,197.80999755859372
2024-11-12,191.91000366210935
2024-11-13,186.00999450683597
2024-11-14,180.7700042724609
2024-11-15,177.6300048828125
2024-11-18,178.07000732421875
2024-11-19,174.0500030517578
2024-11-20,175.99000549316406
2024-11-21,178.1699981689453
2024-11-22,178.9600067138672
2024-11-25,181.33999633789065
2024-11-26,177.8000030517578
2024-11-27,176.75
2024-11-29,175.92999267578125
2024-12-02,180.6199951171875
2024-12-03,179.6300048828125
2024-12-04,178.27999877929688
2024-12-05,178.3000030517578
2024-12-06,180.05999755859375
2024-12-09,182.4600067138672
2024-12-10,179.00999450683594
2024-12-11,178.25
2024-12-12,178.0500030517578
2024-12-13,176.05999755859375
2024-12-16,177.7899932861328
2024-12-17,176.66000366210938
2024-12-18,171.49000549316406
2024-12-19,173.27999877929688
2024-12-20,174.52999877929688
2024-12-23,175.55999755859375
2024-12-24,176.33999633789062
2024-12-26,177.1199951171875
2024-12-27,175.80999755859375
2024-12-30,173.35000610351562
2024-12-31,174.0399932861328
2025-01-02,170.02999877929688
2025-01-03,174.22999572753906
2025-01-06,179.2899932861328
2025-01-07,180.97999572753903
2025-01-08,181.33999633789065
2025-01-10,183.13999938964844
2025-01-13,180.9199981689453
2025-01-14,186.55999755859372
2025-01-15,187.4600067138672
2025-01-16,187.7899932861328
2025-01-17,188.72999572753903
2025-01-21,191.58999633789065
2025-01-22,194.3000030517578
2025-01-23,197.4900054931641
2025-01-24,195.1300048828125
2025-01-27,194.0399932861328
2025-01-28,194.75999450683597
2025-01-29,195.52999877929688
2025-01-30,197.75999450683597
2025-01-31,199.13999938964844
2025-02-03,198.44000244140625
2025-02-04,199.33999633789065
2025-02-05,206.1300048828125
2025-02-06,199.8600006103516
2025-02-07,192.0200042724609
2025-02-10,191.57000732421875
2025-02-11,191.7400054931641
2025-02-12,188.94000244140625
2025-02-13,187.58999633789065
2025-02-14,189.38999938964844

Indicator data:
Answer: 8.4851