Question: 对于2021年08月08日-2022年05月03日的溃疡指数，赣锋锂业的值是？使用不复权价格，写出指标公式，搜集原始数据，计算得出答案，保留四位小数。注意列出原始数据和关键计算过程。
Formula: UI = \sqrt{1 / N * \sum_{t=1}^{N} (1 - P_t / max_{s \le t} P_s)^2}
Data:
date,close
2021-08-09,181.21
2021-08-10,177.0
2021-08-11,179.07
2021-08-12,179.86
2021-08-13,176.28
2021-08-16,163.88
2021-08-17,161.1
2021-08-18,167.09
2021-08-19,177.66
2021-08-20,180.25
2021-08-23,185.0
2021-08-24,191.6
2021-08-25,187.77
2021-08-26,188.1
2021-08-27,196.35
2021-08-30,215.99
2021-08-31,220.0
2021-09-01,198.0
2021-09-02,193.63
2021-09-03,180.33
2021-09-06,188.22
2021-09-07,187.89
2021-09-08,185.66
2021-09-09,186.82
2021-09-10,191.0
2021-09-13,189.4
2021-09-14,181.8
2021-09-15,196.18
2021-09-16,176.56
2021-09-17,171.61
2021-09-22,169.86
2021-09-23,172.4
2021-09-24,168.0
2021-09-27,163.0
2021-09-28,159.69
2021-09-29,152.97
2021-09-30,162.94
2021-10-08,156.9
2021-10-11,158.0
2021-10-12,153.02
2021-10-13,162.3
2021-10-14,163.88
2021-10-15,163.0
2021-10-18,172.17
2021-10-19,172.69
2021-10-20,171.2
2021-10-21,172.0
2021-10-22,167.79
2021-10-25,170.8
2021-10-26,172.5
2021-10-27,172.84
2021-10-28,165.31
2021-10-29,167.4
2021-11-01,162.1
2021-11-02,169.4
2021-11-03,160.31
2021-11-04,160.51
2021-11-05,162.4
2021-11-08,175.3
2021-11-09,173.5
2021-11-10,162.8
2021-11-11,160.5
2021-11-12,159.31
2021-11-15,152.7
2021-11-16,151.17
2021-11-17,161.17
2021-11-18,162.52
2021-11-19,158.7
2021-11-22,166.4
2021-11-23,163.0
2021-11-24,160.86
2021-11-25,161.24
2021-11-26,164.35
2021-11-29,163.75
2021-11-30,167.51
2021-12-01,163.53
2021-12-02,161.12
2021-12-03,160.4
2021-12-06,156.9
2021-12-07,152.0
2021-12-08,156.59
2021-12-09,156.36
2021-12-10,160.97
2021-12-13,160.33
2021-12-14,156.26
2021-12-15,152.13
2021-12-16,152.7
2021-12-17,150.6
2021-12-20,137.77
2021-12-21,138.15
2021-12-22,139.0
2021-12-23,138.49
2021-12-24,131.71
2021-12-27,133.01
2021-12-28,140.38
2021-12-29,140.26
2021-12-30,138.0
2021-12-31,142.85
2022-01-04,135.24
2022-01-05,131.19
2022-01-06,132.9
2022-01-07,127.84
2022-01-10,129.06
2022-01-11,127.15
2022-01-12,131.46
2022-01-13,127.17
2022-01-14,128.63
2022-01-17,127.49
2022-01-18,129.43
2022-01-19,123.08
2022-01-20,121.5
2022-01-21,122.61
2022-01-24,134.87
2022-01-25,138.01
2022-01-26,138.76
2022-01-27,136.2
2022-01-28,133.95
2022-02-07,133.89
2022-02-08,126.26
2022-02-09,130.0
2022-02-10,131.1
2022-02-11,133.01
2022-02-14,136.5
2022-02-15,138.63
2022-02-16,139.83
2022-02-17,149.15
2022-02-18,145.91
2022-02-21,145.65
2022-02-22,150.71
2022-02-23,151.88
2022-02-24,146.99
2022-02-25,149.73
2022-02-28,151.41
2022-03-01,146.0
2022-03-02,146.75
2022-03-03,143.62
2022-03-04,141.45
2022-03-07,136.68
2022-03-08,124.0
2022-03-09,124.38
2022-03-10,128.29
2022-03-11,127.45
2022-03-14,124.5
2022-03-15,125.5
2022-03-16,129.3
2022-03-17,127.76
2022-03-18,127.01
2022-03-21,129.98
2022-03-22,130.01
2022-03-23,129.48
2022-03-24,129.7
2022-03-25,128.35
2022-03-28,123.47
2022-03-29,124.32
2022-03-30,129.66
2022-03-31,125.65
2022-04-01,128.53
2022-04-06,126.81
2022-04-07,127.65
2022-04-08,123.68
2022-04-11,112.0
2022-04-12,114.06
2022-04-13,116.5
2022-04-14,117.2
2022-04-15,114.5
2022-04-18,115.28
2022-04-19,114.15
2022-04-20,109.5
2022-04-21,104.04
2022-04-22,101.42
2022-04-25,92.21
2022-04-26,92.24
2022-04-27,101.46
2022-04-28,105.85
2022-04-29,110.67

Indicator data:
Answer: 0.3331