Question: 恒生电子的莫迪利安尼比率，在2020年06月16日-2021年05月31日期间为多少？（默认无风险利率为0；收益率需年化（用复合年化收益率），A股按一年242个交易日）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: M^2 = rf + (AnnRet - rf) / \sigma(r) * \sigma(r_b)
Data:
date,close,benchmark_close
2020-06-15,92.77,3954.99
2020-06-16,94.24,4014.57
2020-06-17,95.35,4017.59
2020-06-18,93.3,4044.38
2020-06-19,94.7,4098.71
2020-06-22,98.33,4102.05
2020-06-23,103.0,4121.79
2020-06-24,103.97,4138.99
2020-06-29,103.77,4109.72
2020-06-30,107.7,4163.96
2020-07-01,106.98,4247.78
2020-07-02,104.25,4335.84
2020-07-03,105.95,4419.6
2020-07-06,113.61,4670.09
2020-07-07,117.0,4698.13
2020-07-08,120.5,4774.0
2020-07-09,119.48,4840.77
2020-07-10,117.1,4753.13
2020-07-13,118.7,4852.96
2020-07-14,116.03,4806.69
2020-07-15,115.5,4744.47
2020-07-16,106.8,4516.25
2020-07-17,103.34,4544.7
2020-07-20,106.4,4680.3
2020-07-21,107.35,4691.04
2020-07-22,107.13,4714.45
2020-07-23,105.9,4712.44
2020-07-24,102.31,4505.59
2020-07-27,106.0,4528.45
2020-07-28,106.51,4568.26
2020-07-29,109.35,4679.01
2020-07-30,107.11,4656.15
2020-07-31,109.53,4695.05
2020-08-03,109.97,4771.31
2020-08-04,107.94,4775.8
2020-08-05,110.56,4777.11
2020-08-06,110.16,4762.76
2020-08-07,106.18,4707.93
2020-08-10,104.43,4724.87
2020-08-11,102.18,4681.78
2020-08-12,98.65,4647.64
2020-08-13,99.65,4635.71
2020-08-14,103.1,4704.63
2020-08-17,104.2,4815.23
2020-08-18,105.05,4812.76
2020-08-19,101.44,4740.68
2020-08-20,101.11,4679.15
2020-08-21,100.61,4718.84
2020-08-24,102.88,4755.85
2020-08-25,107.02,4761.95
2020-08-26,106.6,4706.13
2020-08-27,108.55,4731.35
2020-08-28,114.25,4844.27
2020-08-31,111.44,4816.22
2020-09-01,111.6,4842.12
2020-09-02,110.48,4843.89
2020-09-03,109.0,4817.1
2020-09-04,106.5,4770.22
2020-09-07,102.9,4669.37
2020-09-08,103.53,4694.39
2020-09-09,100.85,4584.59
2020-09-10,101.04,4581.98
2020-09-11,101.41,4627.28
2020-09-14,102.19,4651.05
2020-09-15,100.5,4688.48
2020-09-16,95.05,4657.36
2020-09-17,95.86,4632.71
2020-09-18,99.47,4737.09
2020-09-21,98.57,4691.43
2020-09-22,98.17,4635.76
2020-09-23,98.1,4652.33
2020-09-24,95.86,4563.07
2020-09-25,97.44,4570.02
2020-09-28,98.43,4581.91
2020-09-29,98.43,4591.8
2020-09-30,98.59,4587.4
2020-10-09,100.03,4681.14
2020-10-12,103.24,4823.16
2020-10-13,104.9,4839.2
2020-10-14,100.51,4807.1
2020-10-15,96.6,4798.74
2020-10-16,96.72,4791.68
2020-10-19,96.01,4755.49
2020-10-20,96.78,4793.47
2020-10-21,96.02,4792.83
2020-10-22,97.64,4777.98
2020-10-23,95.37,4718.49
2020-10-26,90.95,4691.24
2020-10-27,91.28,4699.28
2020-10-28,93.1,4737.27
2020-10-29,91.64,4772.92
2020-10-30,92.94,4695.33
2020-11-02,88.0,4720.83
2020-11-03,90.35,4777.56
2020-11-04,88.1,4813.66
2020-11-05,93.16,4885.11
2020-11-06,92.6,4885.72
2020-11-09,94.1,4981.35
2020-11-10,94.66,4953.88
2020-11-11,89.16,4904.9
2020-11-12,88.88,4908.46
2020-11-13,88.67,4856.85
2020-11-16,93.6,4904.17
2020-11-17,92.75,4894.79
2020-11-18,90.3,4891.67
2020-11-19,92.2,4927.99
2020-11-20,90.7,4943.29
2020-11-23,90.03,5005.03
2020-11-24,88.19,4974.29
2020-11-25,85.48,4910.7
2020-11-26,85.41,4919.59
2020-11-27,85.75,4980.77
2020-11-30,88.43,4960.25
2020-12-01,90.14,5067.1
2020-12-02,90.68,5067.14
2020-12-03,93.18,5057.06
2020-12-04,94.3,5065.92
2020-12-07,96.88,5022.24
2020-12-08,98.15,5009.88
2020-12-09,102.47,4942.7
2020-12-10,102.59,4940.52
2020-12-11,100.0,4889.63
2020-12-14,102.35,4934.84
2020-12-15,101.29,4945.1
2020-12-16,100.29,4953.87
2020-12-17,101.19,5017.48
2020-12-18,101.4,4999.97
2020-12-21,100.0,5046.84
2020-12-22,95.8,4964.77
2020-12-23,98.32,5007.12
2020-12-24,91.86,5000.02
2020-12-25,94.01,5042.01
2020-12-28,93.0,5064.41
2020-12-29,94.18,5042.94
2020-12-30,101.25,5113.71
2020-12-31,104.9,5211.29
2021-01-04,106.17,5267.72
2021-01-05,109.61,5368.5
2021-01-06,103.19,5417.67
2021-01-07,98.16,5513.66
2021-01-08,99.51,5495.43
2021-01-11,97.07,5441.16
2021-01-12,101.0,5596.35
2021-01-13,95.0,5577.97
2021-01-14,95.8,5470.46
2021-01-15,95.59,5458.08
2021-01-18,97.0,5518.52
2021-01-19,97.5,5437.52
2021-01-20,98.8,5476.43
2021-01-21,101.99,5564.97
2021-01-22,99.78,5569.78
2021-01-25,95.86,5625.92
2021-01-26,93.4,5512.97
2021-01-27,95.66,5528.0
2021-01-28,94.31,5377.14
2021-01-29,97.13,5351.96
2021-02-01,103.21,5417.65
2021-02-02,107.83,5501.09
2021-02-03,105.9,5485.2
2021-02-04,103.5,5473.95
2021-02-05,99.25,5483.41
2021-02-08,102.25,5564.56
2021-02-09,105.65,5686.25
2021-02-10,106.35,5807.72
2021-02-18,101.73,5768.38
2021-02-19,97.81,5778.84
2021-02-22,96.48,5597.33
2021-02-23,95.87,5579.67
2021-02-24,93.2,5437.57
2021-02-25,91.5,5469.56
2021-02-26,87.4,5336.76
2021-03-01,90.36,5418.78
2021-03-02,90.68,5349.63
2021-03-03,92.35,5452.21
2021-03-04,87.97,5280.71
2021-03-05,89.06,5262.8
2021-03-08,84.54,5080.02
2021-03-09,85.3,4971.0
2021-03-10,84.77,5003.61
2021-03-11,85.83,5128.22
2021-03-12,87.8,5146.38
2021-03-15,87.7,5035.54
2021-03-16,85.73,5079.36
2021-03-17,89.5,5100.86
2021-03-18,89.0,5141.77
2021-03-19,85.01,5007.09
2021-03-22,87.39,5057.15
2021-03-23,84.39,5009.25
2021-03-24,82.78,4928.69
2021-03-25,82.76,4926.35
2021-03-26,84.55,5037.99
2021-03-29,82.3,5046.88
2021-03-30,83.32,5094.73
2021-03-31,84.0,5048.36
2021-04-01,84.6,5110.78
2021-04-02,84.78,5161.56
2021-04-06,86.0,5140.34
2021-04-07,84.35,5103.74
2021-04-08,84.2,5112.21
2021-04-09,82.84,5035.34
2021-04-12,81.78,4947.75
2021-04-13,81.08,4939.64
2021-04-14,82.2,4980.63
2021-04-15,82.68,4948.97
2021-04-16,82.3,4966.18
2021-04-19,86.48,5087.02
2021-04-20,87.7,5083.37
2021-04-21,86.52,5098.74
2021-04-22,88.46,5089.24
2021-04-23,88.3,5135.45
2021-04-26,86.82,5077.24
2021-04-27,90.29,5090.52
2021-04-28,93.35,5119.24
2021-04-29,94.57,5164.17
2021-04-30,91.89,5123.49
2021-05-06,90.03,5061.12
2021-05-07,87.0,4996.05
2021-05-10,85.5,4992.42
2021-05-11,85.03,5023.06
2021-05-12,85.3,5044.55
2021-05-13,84.1,4992.97
2021-05-14,87.29,5110.59
2021-05-17,88.71,5184.99
2021-05-18,89.0,5187.6
2021-05-19,89.8,5172.27
2021-05-20,92.07,5186.41
2021-05-21,89.01,5134.15
2021-05-24,91.85,5155.59
2021-05-25,98.5,5318.48
2021-05-26,97.17,5320.59
2021-05-27,95.08,5338.23
2021-05-28,93.7,5321.09
2021-05-31,93.88,5331.57

Indicator data:
Answer: 0.0063