Question: 2025年02月06日-2025年05月02日，中信建投的开盘价小于肯特纳通道中轨的比例（单位：%）？（标准版：中轨EMA(20)，ATR(10)，乘数2；EMA从前4n个数据开始计算，初始值用首个数据点；ATR计算用SMA）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: Middle = EMA_{n_{ema}}(C)；Upper = Middle + 2 * ATR_{n_{atr}}；Lower = Middle - 2 * ATR_{n_{atr}}
Data:
date,close,high,low,open
2024-10-08,29.55,29.55,28.01,29.55
2024-10-09,28.84,31.35,27.7,30.0
2024-10-10,26.77,29.26,25.97,28.85
2024-10-11,27.85,28.98,25.8,26.26
2024-10-14,27.36,27.37,25.8,27.3
2024-10-15,26.69,27.59,26.45,26.76
2024-10-16,26.08,26.86,26.01,26.08
2024-10-17,25.55,26.52,25.53,26.12
2024-10-18,26.86,27.96,25.23,25.49
2024-10-21,26.29,26.69,26.12,26.53
2024-10-22,26.22,26.47,26.02,26.25
2024-10-23,26.1,26.63,26.01,26.26
2024-10-24,25.88,26.11,25.73,25.88
2024-10-25,25.94,26.29,25.81,26.03
2024-10-28,25.84,26.03,25.76,25.93
2024-10-29,25.46,26.23,25.4,25.99
2024-10-30,25.32,25.62,25.1,25.36
2024-10-31,25.46,26.11,25.12,25.12
2024-11-01,25.11,25.6,25.1,25.46
2024-11-04,26.2,26.3,25.41,25.52
2024-11-05,27.18,27.41,25.78,26.3
2024-11-06,29.35,29.9,28.18,28.58
2024-11-07,32.29,32.29,27.88,28.1
2024-11-08,30.7,33.12,30.6,33.0
2024-11-11,30.29,30.8,29.71,30.1
2024-11-12,29.47,30.65,29.18,30.29
2024-11-13,29.41,29.63,28.75,29.06
2024-11-14,29.3,30.25,29.21,29.35
2024-11-15,28.3,29.53,28.28,29.3
2024-11-18,27.89,28.63,27.7,28.35
2024-11-19,28.29,28.45,27.55,27.98
2024-11-20,28.31,28.63,27.93,28.35
2024-11-21,28.44,28.67,28.09,28.28
2024-11-22,26.98,28.44,26.96,28.44
2024-11-25,26.44,27.09,26.2,27.05
2024-11-26,26.75,27.37,26.44,26.44
2024-11-27,27.26,27.33,26.59,26.7
2024-11-28,26.86,27.31,26.85,27.27
2024-11-29,27.27,28.14,26.6,26.76
2024-12-02,27.54,27.81,26.89,27.12
2024-12-03,27.52,27.73,27.21,27.48
2024-12-04,27.3,27.73,27.13,27.58
2024-12-05,27.46,27.71,27.1,27.2
2024-12-06,27.78,28.08,27.23,27.43
2024-12-09,27.6,27.94,27.37,27.68
2024-12-10,27.77,29.26,27.75,29.08
2024-12-11,27.7,27.98,27.58,27.74
2024-12-12,28.02,28.25,27.54,27.74
2024-12-13,27.17,27.85,27.09,27.85
2024-12-16,26.75,27.22,26.68,27.08
2024-12-17,26.86,27.09,26.7,26.75
2024-12-18,26.85,27.03,26.73,26.89
2024-12-19,26.7,26.78,26.5,26.65
2024-12-20,27.31,27.6,26.65,26.69
2024-12-23,26.54,27.42,26.54,27.2
2024-12-24,27.19,27.4,26.44,26.54
2024-12-25,27.02,27.29,26.78,27.19
2024-12-26,26.9,27.1,26.78,26.9
2024-12-27,26.86,27.34,26.73,26.89
2024-12-30,26.97,27.02,26.72,26.86
2024-12-31,25.75,26.97,25.75,26.96
2025-01-02,24.49,25.67,24.1,25.58
2025-01-03,23.86,24.68,23.73,24.5
2025-01-06,23.92,24.05,23.63,23.86
2025-01-07,24.3,24.44,23.95,24.0
2025-01-08,24.01,24.27,23.66,24.2
2025-01-09,23.85,24.19,23.82,23.94
2025-01-10,23.54,24.05,23.53,23.97
2025-01-13,23.69,23.72,23.28,23.32
2025-01-14,24.49,24.54,23.71,23.71
2025-01-15,24.24,24.49,24.18,24.49
2025-01-16,24.09,24.58,23.93,24.36
2025-01-17,24.25,24.35,24.0,24.0
2025-01-20,24.24,24.54,24.21,24.44
2025-01-21,24.22,24.5,24.11,24.49
2025-01-22,24.12,24.23,23.86,24.16
2025-01-23,24.28,24.99,24.25,24.45
2025-01-24,24.33,24.49,24.12,24.21
2025-01-27,23.8,24.44,23.8,24.33
2025-02-05,23.88,23.98,23.72,23.98
2025-02-06,24.31,24.31,23.71,23.88
2025-02-07,24.79,25.13,24.24,24.31
2025-02-10,24.87,24.96,24.68,24.79
2025-02-11,24.65,24.92,24.47,24.89
2025-02-12,24.97,25.0,24.55,24.6
2025-02-13,24.93,25.27,24.81,25.0
2025-02-14,24.92,25.05,24.71,24.9
2025-02-17,25.1,25.44,24.98,25.32
2025-02-18,24.5,25.15,24.42,25.0
2025-02-19,24.83,24.88,24.42,24.59
2025-02-20,24.67,24.87,24.52,24.8
2025-02-21,25.24,25.34,24.48,24.73
2025-02-24,24.96,25.35,24.8,25.29
2025-02-25,24.65,24.92,24.58,24.74
2025-02-26,25.38,25.42,24.5,24.61
2025-02-27,25.5,25.63,24.85,25.3
2025-02-28,24.53,25.62,24.41,25.37
2025-03-03,24.38,24.73,24.28,24.54
2025-03-04,24.37,24.5,24.18,24.28
2025-03-05,24.36,24.54,24.15,24.36
2025-03-06,25.1,25.22,24.45,24.52
2025-03-07,24.6,24.99,24.56,24.91
2025-03-10,24.38,24.63,24.28,24.58
2025-03-11,24.41,24.41,24.08,24.15
2025-03-12,24.45,24.82,24.29,24.42
2025-03-13,24.25,24.63,24.15,24.36
2025-03-14,24.97,25.26,24.22,24.23
2025-03-17,24.97,25.14,24.88,24.97
2025-03-18,24.88,25.14,24.74,25.14
2025-03-19,24.84,24.98,24.76,24.82
2025-03-20,24.5,24.87,24.44,24.84
2025-03-21,24.08,24.6,24.01,24.5
2025-03-24,24.05,24.19,23.9,24.08
2025-03-25,23.95,24.11,23.91,24.07
2025-03-26,23.91,24.06,23.9,23.91
2025-03-27,24.02,24.18,23.78,23.91
2025-03-28,24.5,24.77,24.17,24.23
2025-03-31,24.16,24.69,24.03,24.3
2025-04-01,24.49,24.56,24.05,24.16
2025-04-02,24.71,24.92,24.4,24.4
2025-04-03,24.72,24.9,24.4,24.4
2025-04-07,23.43,24.15,22.29,24.01
2025-04-08,23.2,23.52,22.8,23.43
2025-04-09,23.5,23.69,22.88,23.1
2025-04-10,23.59,24.02,23.4,23.79
2025-04-11,23.78,23.97,23.47,23.82
2025-04-14,23.76,23.85,23.61,23.8
2025-04-15,23.63,23.75,23.5,23.75
2025-04-16,23.66,23.66,23.26,23.55
2025-04-17,23.53,23.61,23.4,23.5
2025-04-18,23.49,23.59,23.35,23.43
2025-04-21,23.63,23.67,23.4,23.49
2025-04-22,23.63,23.73,23.58,23.63
2025-04-23,23.61,23.75,23.46,23.7
2025-04-24,23.51,23.82,23.49,23.6
2025-04-25,23.71,23.79,23.53,23.65
2025-04-28,23.54,23.72,23.41,23.7
2025-04-29,23.15,23.9,23.11,23.53
2025-04-30,23.26,23.59,23.13,23.15

Indicator data:
date,Upper,Middle,Lower,open
2024-11-04,27.75386817806594,26.50786817806594,25.261868178065942,25.52
2024-11-05,28.05388073253585,26.57188073253585,25.08988073253585,26.3
2024-11-06,28.738463519913388,26.836463519913387,24.934463519913386,28.58
2024-11-07,30.0638479465883,27.3558479465883,24.647847946588303,28.1
2024-11-08,30.790338618341796,27.674338618341796,24.558338618341796,33.0
2024-11-11,31.203449226118767,27.92344922611877,24.643449226118772,30.1
2024-11-12,31.478739776012215,28.070739776012218,24.66273977601222,30.29
2024-11-13,31.678288368772957,28.19828836877296,24.718288368772964,29.06
2024-11-14,31.793213286032678,28.30321328603268,24.81321328603268,29.35
2024-11-15,31.94290725879147,28.302907258791475,24.662907258791478,29.3
2024-11-18,31.851582757954187,28.26358275795419,24.675582757954192,28.35
2024-11-19,31.708098685768075,28.26609868576808,24.82409868576808,27.98
2024-11-20,31.308279763313973,28.270279763313976,25.23227976331398,28.35
2024-11-21,30.55844359537931,28.28644359537931,26.014443595379312,28.28
2024-11-22,30.226020395819376,28.162020395819376,26.098020395819375,28.44
2024-11-25,30.02201845336039,27.998018453360388,25.974018453360387,27.05
2024-11-26,29.79515955304035,27.87915955304035,25.96315955304035,26.44
2024-11-27,29.708191976560315,27.820191976560317,25.93219197656032,26.7
2024-11-28,29.500745121649807,27.72874512164981,25.95674512164981,27.27
2024-11-29,29.51505511006411,27.685055110064113,25.855055110064114,26.76
2024-12-02,29.499240337677055,27.671240337677055,25.843240337677056,27.12
2024-12-03,29.408836495993526,27.656836495993527,25.90483649599353,27.48
2024-12-04,29.35485206780367,27.62285206780367,25.89085206780367,27.58
2024-12-05,29.345342347060463,27.607342347060463,25.869342347060464,27.2
2024-12-06,29.2357859330547,27.6237859330547,26.011785933054703,27.43
2024-12-09,29.169520606097112,27.621520606097114,26.073520606097116,27.68
2024-12-10,29.32966150075453,27.63566150075453,25.94166150075453,29.08
2024-12-11,29.267788976873145,27.641788976873148,26.01578897687315,27.74
2024-12-12,29.353809074313798,27.6778090743138,26.0018090743138,27.74
2024-12-13,29.18344630533153,27.62944630533153,26.075446305331532,27.85
2024-12-16,29.023689514347577,27.545689514347576,26.067689514347574,27.08
2024-12-17,28.932385751076378,27.480385751076376,26.028385751076375,26.75
2024-12-18,28.812349012878627,27.420349012878628,26.02834901287863,26.89
2024-12-19,28.691744344985427,27.351744344985427,26.011744344985427,26.65
2024-12-20,28.707768693082055,27.347768693082052,25.98776869308205,26.69
2024-12-23,28.692838341359952,27.27083834135995,25.84883834135995,27.2
2024-12-24,28.54513945170662,27.26313945170662,25.98113945170662,26.54
2024-12-25,28.54398331344885,27.23998331344885,25.935983313448848,27.19
2024-12-26,28.433603950263247,27.20760395026325,25.98160395026325,26.9
2024-12-27,28.33649881214294,27.17449881214294,26.01249881214294,26.89
2024-12-30,28.269022734795993,27.155022734795992,26.04102273479599,26.86
2024-12-31,28.301211045767804,27.021211045767803,25.741211045767802,26.96
2025-01-02,28.33014332712325,26.78014332712325,25.230143327123248,25.58
2025-01-03,28.172034438825794,26.502034438825795,24.832034438825797,24.5
2025-01-06,27.820126397032865,26.256126397032865,24.692126397032865,23.86
2025-01-07,27.561828644934494,26.069828644934496,24.5778286449345,24.0
2025-01-08,27.301654488274067,25.873654488274067,24.445654488274066,24.2
2025-01-09,27.080925489390822,25.680925489390823,24.280925489390825,23.94
2025-01-10,26.917027823734557,25.477027823734556,24.037027823734554,23.97
2025-01-13,26.712834697664597,25.3068346976646,23.9008346976646,23.32
2025-01-14,26.745040916934634,25.229040916934636,23.713040916934638,23.71
2025-01-15,26.468846543893243,25.134846543893243,23.800846543893243,24.49
2025-01-16,26.169337349236745,25.035337349236745,23.901337349236744,24.36
2025-01-17,25.974543315976103,24.960543315976103,23.946543315976104,24.0
2025-01-20,25.887920143025998,24.891920143026,23.895920143026,24.44
2025-01-21,25.797927748452096,24.827927748452097,23.8579277484521,24.49
2025-01-22,25.676506058123326,24.760506058123326,23.844506058123326,24.16
2025-01-23,25.730743576397295,24.714743576397296,23.6987435763973,24.45
2025-01-24,25.664101331026124,24.678101331026127,23.69210133102613,24.21
2025-01-27,25.620472632833163,24.594472632833163,23.568472632833164,24.33
2025-02-05,25.434427620182383,24.526427620182385,23.618427620182388,23.98
2025-02-06,25.4718154658793,24.5058154658793,23.539815465879304,23.88
2025-02-07,25.54688065960508,24.53288065960508,23.51888065960508,24.31
2025-02-10,25.564987263452217,24.564987263452217,23.564987263452217,24.79
2025-02-11,25.597083714552006,24.573083714552006,23.549083714552005,24.89
2025-02-12,25.646885265547056,24.610885265547054,23.574885265547053,24.6
2025-02-13,25.695277145018764,24.641277145018766,23.587277145018767,25.0
2025-02-14,25.615822178826505,24.667822178826505,23.719822178826504,24.9
2025-02-17,25.68698197131922,24.70898197131922,23.730981971319217,25.32
2025-02-18,25.68507892643167,24.689078926431673,23.693078926431674,25.0
2025-02-19,25.738499981057227,24.70249998105723,23.666499981057232,24.59
2025-02-20,25.685404744766064,24.699404744766063,23.713404744766063,24.8
2025-02-21,25.730890007169297,24.750890007169296,23.770890007169296,24.73
2025-02-24,25.804805244581743,24.770805244581744,23.736805244581745,25.29
2025-02-25,25.779299983193006,24.759299983193007,23.739299983193007,24.74
2025-02-26,25.93241427050796,24.818414270507958,23.704414270507957,24.61
2025-02-27,26.061327197126246,24.883327197126246,23.705327197126245,25.3
2025-02-28,26.20167698787613,24.84967698787613,23.49767698787613,25.37
2025-03-03,26.142945846173642,24.80494584617364,23.46694584617364,24.54
2025-03-04,26.01952243225234,24.76352243225234,23.50752243225234,24.28
2025-03-05,25.967091724418786,24.725091724418785,23.483091724418784,24.36
2025-03-06,26.10479727447414,24.76079727447414,23.41679727447414,24.52
2025-03-07,26.025483248333746,24.745483248333745,23.465483248333744,24.91
2025-03-10,25.950675319921007,24.710675319921005,23.470675319921003,24.58
2025-03-11,25.912039575166624,24.682039575166623,23.452039575166623,24.15
2025-03-12,25.8119405680079,24.659940568007897,23.507940568007896,24.42
2025-03-13,25.712898609150006,24.620898609150004,23.52889860915,24.36
2025-03-14,25.712146360659528,24.654146360659528,23.596146360659528,24.23
2025-03-17,25.70422765964434,24.684227659644336,23.664227659644332,24.97
2025-03-18,25.738872644440114,24.702872644440113,23.66687264444011,25.14
2025-03-19,25.717932392588676,24.715932392588673,23.71393239258867,24.82
2025-03-20,25.611367402818324,24.695367402818324,23.779367402818323,24.84
2025-03-21,25.562760983502294,24.636760983502292,23.71076098350229,24.5
2025-03-24,25.494878985073505,24.580878985073504,23.666878985073502,24.08
2025-03-25,25.408795272209364,24.520795272209362,23.63279527220936,24.07
2025-03-26,25.27662429390371,24.46262429390371,23.64862429390371,23.91
2025-03-27,25.218469599246212,24.42046959924621,23.62246959924621,23.91
2025-03-28,25.168043923127524,24.42804392312752,23.68804392312752,24.23
2025-03-31,25.22251593044871,24.40251593044871,23.58251593044871,24.3
2025-04-01,25.25284774659645,24.410847746596453,23.568847746596454,24.16
2025-04-02,25.341338437396793,24.439338437396792,23.53733843739679,24.4
2025-04-03,25.382068110025667,24.466068110025667,23.550068110025666,24.4
2025-04-07,25.651394956689884,24.367394956689886,23.083394956689887,24.01
2025-04-08,25.62621448462418,24.25621448462418,22.88621448462418,23.43
2025-04-09,25.676194057517115,24.184194057517114,22.692194057517113,23.1
2025-04-10,25.711604147277388,24.12760414727739,22.54360414727739,23.79
2025-04-11,25.698498990393826,24.094498990393827,22.490498990393828,23.82
2025-04-14,25.564641943689658,24.062641943689655,22.560641943689653,23.8
2025-04-15,25.443437949052548,24.021437949052547,22.599437949052547,23.75
2025-04-16,25.38701528723802,23.98701528723802,22.587015287238017,23.55
2025-04-17,25.29149002178678,23.94349002178678,22.595490021786777,23.5
2025-04-18,25.196300495902324,23.900300495902325,22.604300495902326,23.43
2025-04-21,24.738557591530675,23.874557591530674,23.010557591530674,23.49
2025-04-22,24.601266392337283,23.85126639233728,23.101266392337276,23.63
2025-04-23,24.47428864068611,23.82828864068611,23.18228864068611,23.7
2025-04-24,24.385975436811243,23.797975436811242,23.20997543681124,23.6
2025-04-25,24.3335968237816,23.7895968237816,23.2455968237816,23.65
2025-04-28,24.323825697707164,23.765825697707164,23.207825697707165,23.7
2025-04-29,24.371175631258865,23.707175631258863,23.043175631258862,23.53
2025-04-30,24.34058747590088,23.664587475900877,22.988587475900875,23.15

Answer: 74.1667