Question: 中国建筑2022年05月07日至2023年04月24日的贝塔系数的值是？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: \beta = cov(r, r_m) / var(r_m)
Data:
date,close,market_close
2022-05-06,5.97,3908.82
2022-05-09,5.91,3877.44
2022-05-10,6.04,3919.87
2022-05-11,5.85,3976.42
2022-05-12,5.77,3958.74
2022-05-13,5.87,3988.6
2022-05-16,5.98,3956.54
2022-05-17,5.88,4005.89
2022-05-18,5.8,3991.91
2022-05-19,5.89,3999.6
2022-05-20,5.91,4077.6
2022-05-23,5.72,4053.98
2022-05-24,5.6,3959.15
2022-05-25,5.65,3983.18
2022-05-26,5.69,3993.04
2022-05-27,5.64,4001.3
2022-05-30,5.52,4029.02
2022-05-31,5.51,4091.52
2022-06-01,5.52,4083.18
2022-06-02,5.45,4089.57
2022-06-06,5.31,4166.09
2022-06-07,5.38,4179.13
2022-06-08,5.36,4219.81
2022-06-09,5.46,4175.67
2022-06-10,5.48,4238.99
2022-06-13,5.32,4189.35
2022-06-14,5.38,4222.31
2022-06-15,5.53,4278.22
2022-06-16,5.45,4250.06
2022-06-17,5.43,4309.04
2022-06-20,5.48,4330.43
2022-06-21,5.54,4325.57
2022-06-22,5.43,4270.62
2022-06-23,5.52,4343.88
2022-06-24,5.43,4394.77
2022-06-27,5.42,4444.26
2022-06-28,5.41,4490.52
2022-06-29,5.53,4421.36
2022-06-30,5.32,4485.01
2022-07-01,5.47,4466.72
2022-07-04,5.41,4496.03
2022-07-05,5.43,4489.54
2022-07-06,5.35,4423.97
2022-07-07,5.31,4443.47
2022-07-08,5.39,4428.78
2022-07-11,5.45,4354.62
2022-07-12,5.57,4313.62
2022-07-13,5.56,4321.46
2022-07-14,5.44,4322.07
2022-07-15,5.28,4248.53
2022-07-18,5.35,4292.59
2022-07-19,5.36,4269.34
2022-07-20,5.33,4283.8
2022-07-21,5.15,4236.06
2022-07-22,5.11,4238.23
2022-07-25,5.13,4212.64
2022-07-26,5.24,4245.98
2022-07-27,5.14,4225.04
2022-07-28,5.12,4225.67
2022-07-29,5.04,4170.1
2022-08-01,5.01,4188.68
2022-08-02,4.92,4107.02
2022-08-03,4.84,4066.98
2022-08-04,4.86,4101.54
2022-08-05,4.91,4156.91
2022-08-08,4.89,4148.07
2022-08-09,4.85,4156.29
2022-08-10,4.82,4109.74
2022-08-11,4.88,4193.54
2022-08-12,4.92,4191.15
2022-08-15,4.88,4185.68
2022-08-16,4.92,4177.84
2022-08-17,4.98,4216.96
2022-08-18,4.91,4180.1
2022-08-19,4.95,4151.07
2022-08-22,5.02,4181.4
2022-08-23,4.98,4161.08
2022-08-24,4.92,4082.42
2022-08-25,5.02,4116.24
2022-08-26,5.01,4107.55
2022-08-29,5.04,4089.52
2022-08-30,5.07,4075.79
2022-08-31,5.14,4078.84
2022-09-01,5.15,4043.74
2022-09-02,5.11,4023.61
2022-09-05,5.17,4015.43
2022-09-06,5.24,4052.28
2022-09-07,5.23,4054.98
2022-09-08,5.23,4037.68
2022-09-09,5.36,4093.79
2022-09-13,5.32,4111.11
2022-09-14,5.26,4065.36
2022-09-15,5.37,4027.12
2022-09-16,5.15,3932.68
2022-09-19,5.24,3928.0
2022-09-20,5.11,3932.84
2022-09-21,5.15,3903.73
2022-09-22,5.12,3869.34
2022-09-23,5.22,3856.02
2022-09-26,5.15,3836.68
2022-09-27,5.15,3892.3
2022-09-28,5.1,3828.71
2022-09-29,5.01,3827.14
2022-09-30,5.15,3804.89
2022-10-10,5.22,3720.94
2022-10-11,5.13,3727.69
2022-10-12,5.25,3784.31
2022-10-13,5.15,3752.67
2022-10-14,5.22,3842.47
2022-10-17,5.2,3846.41
2022-10-18,5.18,3838.27
2022-10-19,5.13,3776.53
2022-10-20,5.1,3754.93
2022-10-21,5.16,3742.89
2022-10-24,4.99,3633.37
2022-10-25,5.0,3627.45
2022-10-26,4.89,3656.9
2022-10-27,4.92,3631.14
2022-10-28,4.9,3541.33
2022-10-31,4.75,3508.7
2022-11-01,4.83,3634.17
2022-11-02,4.8,3677.81
2022-11-03,4.74,3647.9
2022-11-04,4.82,3767.17
2022-11-07,4.88,3775.3
2022-11-08,4.89,3749.33
2022-11-09,4.91,3714.27
2022-11-10,4.93,3685.69
2022-11-11,5.18,3788.44
2022-11-14,5.29,3794.02
2022-11-15,5.32,3865.97
2022-11-16,5.26,3834.39
2022-11-17,5.27,3818.66
2022-11-18,5.23,3801.57
2022-11-21,5.17,3769.13
2022-11-22,5.46,3769.57
2022-11-23,5.52,3773.53
2022-11-24,5.42,3756.81
2022-11-25,5.74,3775.78
2022-11-28,5.64,3733.24
2022-11-29,5.88,3848.42
2022-11-30,5.88,3853.04
2022-12-01,5.74,3894.77
2022-12-02,5.68,3870.95
2022-12-05,6.11,3946.88
2022-12-06,5.97,3968.2
2022-12-07,5.88,3958.44
2022-12-08,5.9,3959.18
2022-12-09,5.94,3998.24
2022-12-12,5.77,3953.44
2022-12-13,5.77,3945.68
2022-12-14,5.71,3954.89
2022-12-15,5.61,3951.99
2022-12-16,5.69,3954.23
2022-12-19,5.53,3893.22
2022-12-20,5.49,3829.02
2022-12-21,5.46,3830.54
2022-12-22,5.43,3836.03
2022-12-23,5.42,3828.22
2022-12-26,5.37,3843.49
2022-12-27,5.41,3887.85
2022-12-28,5.39,3871.26
2022-12-29,5.32,3856.7
2022-12-30,5.43,3871.63
2023-01-03,5.49,3887.9
2023-01-04,5.6,3892.95
2023-01-05,5.59,3968.58
2023-01-06,5.52,3980.89
2023-01-09,5.53,4013.12
2023-01-10,5.43,4017.47
2023-01-11,5.43,4010.03
2023-01-12,5.39,4017.87
2023-01-13,5.45,4074.38
2023-01-16,5.46,4137.96
2023-01-17,5.39,4137.24
2023-01-18,5.37,4130.31
2023-01-19,5.39,4156.01
2023-01-20,5.57,4181.53
2023-01-30,5.5,4201.35
2023-01-31,5.54,4156.86
2023-02-01,5.57,4195.93
2023-02-02,5.53,4181.15
2023-02-03,5.41,4141.63
2023-02-06,5.4,4086.88
2023-02-07,5.5,4094.23
2023-02-08,5.41,4076.14
2023-02-09,5.44,4130.86
2023-02-10,5.43,4106.31
2023-02-13,5.46,4143.57
2023-02-14,5.49,4145.29
2023-02-15,5.39,4123.69
2023-02-16,5.44,4093.49
2023-02-17,5.37,4034.51
2023-02-20,5.69,4133.49
2023-02-21,5.77,4144.35
2023-02-22,5.72,4106.95
2023-02-23,5.7,4103.65
2023-02-24,5.62,4061.05
2023-02-27,5.6,4043.84
2023-02-28,5.62,4069.46
2023-03-01,5.75,4126.94
2023-03-02,5.89,4117.74
2023-03-03,6.11,4130.55
2023-03-06,6.04,4109.01
2023-03-07,6.03,4048.85
2023-03-08,6.01,4034.11
2023-03-09,5.92,4019.85
2023-03-10,5.84,3967.14
2023-03-13,6.11,4008.69
2023-03-14,5.99,3984.7
2023-03-15,6.18,3986.9
2023-03-16,6.08,3939.15
2023-03-17,6.23,3958.82
2023-03-20,6.12,3939.08
2023-03-21,6.04,3982.38
2023-03-22,6.09,3999.44
2023-03-23,6.18,4039.09
2023-03-24,5.92,4027.05
2023-03-27,5.87,4012.48
2023-03-28,5.86,3999.51
2023-03-29,5.73,4006.14
2023-03-30,5.85,4038.53
2023-03-31,5.8,4050.93
2023-04-03,5.85,4090.57
2023-04-04,6.16,4103.11
2023-04-06,6.11,4096.64
2023-04-07,6.12,4123.28
2023-04-10,6.17,4104.81
2023-04-11,6.22,4100.15
2023-04-12,6.41,4097.29
2023-04-13,6.39,4068.98
2023-04-14,6.49,4092.0
2023-04-17,6.58,4149.38
2023-04-18,6.5,4162.03
2023-04-19,6.34,4124.56
2023-04-20,6.47,4113.02
2023-04-21,6.37,4032.57
2023-04-24,6.24,3982.64

Indicator data:
Answer: 0.7367