Question: 牧原股份2021年02月27日至2022年02月13日的特雷诺比率的值是？（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: Treynor = (AnnRet - rf) / \beta；\beta = cov(r, r_m) / var(r_m)
Data:
date,close,market_close
2021-02-26,113.9,5336.76
2021-03-01,118.88,5418.78
2021-03-02,119.22,5349.63
2021-03-03,120.99,5452.21
2021-03-04,118.4,5280.71
2021-03-05,112.91,5262.8
2021-03-08,110.2,5080.02
2021-03-09,105.84,4971.0
2021-03-10,105.65,5003.61
2021-03-11,107.16,5128.22
2021-03-12,107.67,5146.38
2021-03-15,103.82,5035.54
2021-03-16,101.47,5079.36
2021-03-17,109.51,5100.86
2021-03-18,109.94,5141.77
2021-03-19,104.95,5007.09
2021-03-22,104.94,5057.15
2021-03-23,102.25,5009.25
2021-03-24,100.96,4928.69
2021-03-25,98.7,4926.35
2021-03-26,97.6,5037.99
2021-03-29,98.19,5046.88
2021-03-30,100.36,5094.73
2021-03-31,100.03,5048.36
2021-04-01,104.0,5110.78
2021-04-02,105.9,5161.56
2021-04-06,105.07,5140.34
2021-04-07,103.9,5103.74
2021-04-08,102.16,5112.21
2021-04-09,102.45,5035.34
2021-04-12,101.63,4947.75
2021-04-13,102.63,4939.64
2021-04-14,102.18,4980.63
2021-04-15,104.38,4948.97
2021-04-16,101.02,4966.18
2021-04-19,106.94,5087.02
2021-04-20,111.9,5083.37
2021-04-21,110.6,5098.74
2021-04-22,109.99,5089.24
2021-04-23,111.15,5135.45
2021-04-26,106.97,5077.24
2021-04-27,105.01,5090.52
2021-04-28,108.33,5119.24
2021-04-29,114.68,5164.17
2021-04-30,113.11,5123.49
2021-05-06,104.8,5061.12
2021-05-07,106.09,4996.05
2021-05-10,100.0,4992.42
2021-05-11,100.17,5023.06
2021-05-12,101.0,5044.55
2021-05-13,98.5,4992.97
2021-05-14,99.95,5110.59
2021-05-17,101.8,5184.99
2021-05-18,100.18,5187.6
2021-05-19,100.48,5172.27
2021-05-20,101.49,5186.41
2021-05-21,98.93,5134.15
2021-05-24,90.44,5155.59
2021-05-25,92.0,5318.48
2021-05-26,91.98,5320.59
2021-05-27,91.82,5338.23
2021-05-28,90.36,5321.09
2021-05-31,89.08,5331.57
2021-06-01,89.99,5341.68
2021-06-02,93.11,5289.97
2021-06-03,66.25,5255.29
2021-06-04,67.8,5282.28
2021-06-07,64.4,5277.63
2021-06-08,64.8,5232.12
2021-06-09,65.0,5236.45
2021-06-10,63.91,5271.47
2021-06-11,62.8,5224.7
2021-06-15,61.8,5166.56
2021-06-16,60.41,5080.49
2021-06-17,58.6,5101.89
2021-06-18,57.15,5102.47
2021-06-21,54.0,5090.39
2021-06-22,54.4,5122.16
2021-06-23,57.0,5147.39
2021-06-24,56.18,5155.97
2021-06-25,58.53,5239.97
2021-06-28,63.35,5251.76
2021-06-29,62.37,5190.54
2021-06-30,60.82,5224.04
2021-07-01,59.8,5229.66
2021-07-02,59.21,5081.12
2021-07-05,59.3,5085.79
2021-07-06,59.29,5083.1
2021-07-07,57.9,5140.49
2021-07-08,57.18,5088.26
2021-07-09,56.7,5069.44
2021-07-12,57.52,5132.71
2021-07-13,57.89,5142.1
2021-07-14,56.45,5083.08
2021-07-15,56.96,5151.46
2021-07-16,54.35,5094.77
2021-07-19,51.76,5113.49
2021-07-20,52.5,5108.99
2021-07-21,50.66,5144.04
2021-07-22,50.73,5151.75
2021-07-23,47.41,5089.23
2021-07-26,46.09,4925.3
2021-07-27,42.83,4751.31
2021-07-28,40.91,4760.48
2021-07-29,41.71,4850.27
2021-07-30,42.27,4811.17
2021-08-02,44.8,4933.74
2021-08-03,43.86,4934.46
2021-08-04,43.16,4978.85
2021-08-05,41.85,4948.67
2021-08-06,42.28,4921.56
2021-08-09,46.51,4985.56
2021-08-10,48.18,5043.15
2021-08-11,48.18,5015.34
2021-08-12,47.5,4973.35
2021-08-13,46.85,4945.98
2021-08-16,47.4,4941.07
2021-08-17,45.31,4837.4
2021-08-18,45.5,4894.24
2021-08-19,44.88,4862.14
2021-08-20,44.34,4769.27
2021-08-23,44.44,4835.88
2021-08-24,45.08,4888.39
2021-08-25,44.89,4898.16
2021-08-26,43.56,4801.61
2021-08-27,42.92,4827.04
2021-08-30,42.1,4813.27
2021-08-31,42.31,4805.61
2021-09-01,44.78,4869.46
2021-09-02,43.16,4869.41
2021-09-03,45.85,4843.06
2021-09-06,47.15,4933.73
2021-09-07,46.84,4992.83
2021-09-08,45.93,4972.13
2021-09-09,45.62,4970.01
2021-09-10,45.45,5013.52
2021-09-13,43.68,4991.66
2021-09-14,43.21,4917.16
2021-09-15,42.91,4867.32
2021-09-16,44.2,4807.7
2021-09-17,44.69,4855.94
2021-09-22,43.25,4821.77
2021-09-23,44.22,4853.2
2021-09-24,45.41,4849.43
2021-09-27,48.95,4877.37
2021-09-28,48.25,4883.83
2021-09-29,50.9,4833.93
2021-09-30,51.9,4866.38
2021-10-08,54.7,4929.94
2021-10-11,55.17,4936.19
2021-10-12,53.92,4883.84
2021-10-13,55.33,4940.11
2021-10-14,53.08,4913.61
2021-10-15,55.4,4932.11
2021-10-18,56.01,4874.78
2021-10-19,59.6,4922.72
2021-10-20,57.6,4910.18
2021-10-21,56.9,4928.02
2021-10-22,57.03,4959.73
2021-10-25,56.51,4979.52
2021-10-26,54.66,4963.1
2021-10-27,55.25,4898.16
2021-10-28,55.1,4864.14
2021-10-29,57.11,4908.77
2021-11-01,57.63,4890.69
2021-11-02,58.03,4839.85
2021-11-03,59.45,4821.11
2021-11-04,59.07,4868.74
2021-11-05,58.21,4842.35
2021-11-08,57.88,4848.18
2021-11-09,56.97,4846.74
2021-11-10,56.09,4821.19
2021-11-11,56.91,4898.65
2021-11-12,58.58,4888.37
2021-11-15,58.88,4882.38
2021-11-16,58.74,4883.32
2021-11-17,58.2,4885.75
2021-11-18,58.29,4837.62
2021-11-19,57.57,4890.06
2021-11-22,57.15,4912.4
2021-11-23,57.21,4913.35
2021-11-24,55.8,4916.66
2021-11-25,55.88,4896.44
2021-11-26,54.65,4860.13
2021-11-29,54.5,4851.42
2021-11-30,52.4,4832.03
2021-12-01,51.86,4843.85
2021-12-02,52.24,4856.16
2021-12-03,53.32,4901.02
2021-12-06,51.61,4892.62
2021-12-07,48.97,4922.1
2021-12-08,51.03,4995.93
2021-12-09,51.22,5078.69
2021-12-10,50.95,5055.12
2021-12-13,50.12,5083.8
2021-12-14,49.89,5049.7
2021-12-15,49.06,5005.9
2021-12-16,47.75,5034.73
2021-12-17,47.36,4954.76
2021-12-20,46.29,4880.42
2021-12-21,46.36,4913.49
2021-12-22,48.07,4914.45
2021-12-23,50.14,4948.74
2021-12-24,52.28,4921.34
2021-12-27,52.9,4919.32
2021-12-28,52.35,4955.96
2021-12-29,51.53,4883.48
2021-12-30,52.14,4921.51
2021-12-31,53.36,4940.37
2022-01-04,57.8,4917.77
2022-01-05,57.99,4868.12
2022-01-06,56.69,4818.23
2022-01-07,56.27,4822.37
2022-01-10,59.28,4844.05
2022-01-11,56.62,4797.77
2022-01-12,57.3,4845.58
2022-01-13,55.25,4765.92
2022-01-14,55.7,4726.73
2022-01-17,56.0,4767.28
2022-01-18,55.8,4813.35
2022-01-19,54.53,4780.38
2022-01-20,57.2,4823.51
2022-01-21,55.0,4779.31
2022-01-24,53.82,4786.74
2022-01-25,52.0,4678.45
2022-01-26,54.35,4712.31
2022-01-27,53.12,4619.88
2022-01-28,54.59,4563.77
2022-02-07,55.23,4634.09
2022-02-08,55.7,4608.77
2022-02-09,58.68,4652.06
2022-02-10,61.62,4639.86
2022-02-11,60.7,4601.4

Indicator data:
Answer: -0.3829