Question: 同花顺的贝塔系数，在2024年11月09日-2025年07月03日期间为多少？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
2024-11-08,303.8,4104.05
2024-11-11,301.8,4131.13
2024-11-12,318.78,4085.74
2024-11-13,318.0,4110.89
2024-11-14,317.96,4039.62
2024-11-15,272.5,3968.83
2024-11-18,266.28,3950.38
2024-11-19,289.0,3976.89
2024-11-20,284.44,3985.77
2024-11-21,293.2,3989.3
2024-11-22,279.59,3865.7
2024-11-25,280.7,3848.09
2024-11-26,284.21,3840.18
2024-11-27,316.98,3907.04
2024-11-28,306.01,3872.55
2024-11-29,335.67,3916.58
2024-12-02,326.94,3947.63
2024-12-03,331.14,3951.89
2024-12-04,331.31,3930.56
2024-12-05,344.48,3921.59
2024-12-06,342.01,3973.14
2024-12-09,330.31,3966.57
2024-12-10,327.0,3995.64
2024-12-11,318.03,3988.83
2024-12-12,323.6,4028.5
2024-12-13,306.9,3933.18
2024-12-16,298.15,3911.84
2024-12-17,299.46,3922.03
2024-12-18,297.96,3941.89
2024-12-19,305.0,3945.46
2024-12-20,305.83,3927.74
2024-12-23,303.94,3933.57
2024-12-24,310.1,3983.69
2024-12-25,311.96,3985.63
2024-12-26,306.87,3987.48
2024-12-27,308.98,3981.03
2024-12-30,308.1,3999.05
2024-12-31,287.5,3934.91
2025-01-02,267.55,3820.4
2025-01-03,256.98,3775.16
2025-01-06,252.85,3768.97
2025-01-07,261.0,3796.11
2025-01-08,258.91,3789.22
2025-01-09,257.88,3779.88
2025-01-10,250.55,3732.48
2025-01-13,252.88,3722.51
2025-01-14,290.0,3820.54
2025-01-15,278.08,3796.03
2025-01-16,283.54,3800.38
2025-01-17,290.6,3812.34
2025-01-20,288.3,3829.68
2025-01-21,294.22,3832.61
2025-01-22,296.11,3797.02
2025-01-23,298.05,3803.74
2025-01-24,303.0,3832.86
2025-01-27,279.13,3817.08
2025-02-05,287.6,3795.08
2025-02-06,306.31,3842.83
2025-02-07,316.68,3892.7
2025-02-10,321.19,3901.06
2025-02-11,319.27,3883.14
2025-02-12,325.48,3919.86
2025-02-13,312.19,3905.14
2025-02-14,310.0,3939.01
2025-02-17,313.83,3947.4
2025-02-18,299.01,3912.78
2025-02-19,308.75,3940.16
2025-02-20,305.43,3928.9
2025-02-21,318.26,3978.44
2025-02-24,316.66,3969.72
2025-02-25,311.66,3925.65
2025-02-26,324.33,3959.94
2025-02-27,312.3,3968.12
2025-02-28,301.16,3890.05
2025-03-03,293.64,3888.47
2025-03-04,296.84,3885.22
2025-03-05,298.55,3902.57
2025-03-06,316.8,3956.24
2025-03-07,312.5,3944.01
2025-03-10,306.55,3928.8
2025-03-11,305.31,3941.42
2025-03-12,306.87,3927.23
2025-03-13,300.48,3911.58
2025-03-14,318.7,4006.56
2025-03-17,316.02,3996.79
2025-03-18,315.56,4007.72
2025-03-19,314.48,4010.17
2025-03-20,308.02,3974.99
2025-03-21,301.22,3914.7
2025-03-24,302.88,3934.85
2025-03-25,294.74,3932.3
2025-03-26,295.72,3919.36
2025-03-27,296.9,3932.41
2025-03-28,294.83,3915.17
2025-03-31,285.6,3887.31
2025-04-01,273.5,3887.68
2025-04-02,279.97,3884.39
2025-04-03,280.32,3861.5
2025-04-07,246.18,3589.44
2025-04-08,251.3,3650.76
2025-04-09,266.0,3686.79
2025-04-10,263.65,3735.12
2025-04-11,264.7,3750.52
2025-04-14,264.24,3759.14
2025-04-15,262.8,3761.23
2025-04-16,261.55,3772.82
2025-04-17,262.69,3772.22
2025-04-18,265.49,3772.52
2025-04-21,266.49,3784.88
2025-04-22,263.8,3783.95
2025-04-23,264.31,3786.88
2025-04-24,260.75,3784.36
2025-04-25,260.08,3786.99
2025-04-28,256.77,3781.62
2025-04-29,257.1,3775.08
2025-04-30,258.6,3770.57
2025-05-06,265.95,3808.54
2025-05-07,268.18,3831.63
2025-05-08,266.68,3852.9
2025-05-09,259.88,3846.16
2025-05-12,269.1,3890.61
2025-05-13,264.0,3896.26
2025-05-14,274.85,3943.21
2025-05-15,265.21,3907.2
2025-05-16,260.6,3889.09
2025-05-19,258.64,3877.15
2025-05-20,258.65,3898.17
2025-05-21,257.96,3916.38
2025-05-22,256.13,3913.87
2025-05-23,250.61,3882.27
2025-05-26,250.19,3860.11
2025-05-27,250.37,3839.4
2025-05-28,246.38,3836.24
2025-05-29,251.57,3858.7
2025-05-30,247.41,3840.23
2025-06-03,247.02,3852.01
2025-06-04,249.7,3868.74
2025-06-05,254.11,3877.56
2025-06-06,249.5,3873.98
2025-06-09,255.24,3885.25
2025-06-10,248.88,3865.47
2025-06-11,254.9,3894.63
2025-06-12,256.14,3892.2
2025-06-13,251.18,3864.18
2025-06-16,255.0,3873.8
2025-06-17,252.86,3870.38
2025-06-18,249.88,3874.97
2025-06-19,242.19,3843.09
2025-06-20,238.17,3846.64
2025-06-23,238.52,3857.9
2025-06-24,253.09,3904.03
2025-06-25,289.77,3960.07
2025-06-26,281.23,3946.02
2025-06-27,276.45,3921.76
2025-06-30,273.01,3936.08
2025-07-01,269.32,3942.76
2025-07-02,266.7,3943.68
2025-07-03,268.61,3968.07

Indicator data:
Answer: 2.5092