TA-Lib学习研究笔记(九)——Pattern Recognition (3)

TA-Lib学习研究笔记(九)------Pattern Recognition (3)

最全面的形态识别的函数的应用,通过使用A股实际的数据,验证形态识别函数,用K线显示出现标志的形态走势,由于入口参数基本上是open, high, low, close ,统一设置程序代码,只更换函数即可。

发现有的形态在一个股票上从未出现,选择多个股票参与计算测试。

函数返回值integer (values are -100, 0 or 100) ,0 是无形态信号。100 和 -100 是有正向或负向的形态信号。

21.CDLEVENINGSTAR - Evening Star

函数名:CDLEVENINGSTAR

名称:Evening Star 暮星

简介:三日K线模式,与晨星相反,上升趋势中,

第一日阳线,第二日价格振幅较小,第三日阴线,预示顶部反转。

语法:

python 复制代码
integer = CDLEVENINGSTAR(open, high, low, close, penetration=0)

stock code: 000001.SZ

position Pattern date:

trade_date

2000-06-09 -100

2001-01-03 -100

复制代码
          open   high    low  close  pct_chg
trade_date                                     
2000-05-30  18.37  18.47  18.00  18.05    -1.20
2000-05-31  18.04  18.25  17.90  18.00    -0.28
2000-06-01  18.01  18.30  17.95  18.06     0.33
2000-06-02  18.06  18.50  18.00  18.20     0.78
2000-06-05  18.20  18.45  18.05  18.10    -0.55
2000-06-06  18.15  18.32  18.00  18.26     0.88
2000-06-07  18.30  18.65  18.26  18.50     1.31
2000-06-08  18.60  19.23  18.60  18.70     1.08
2000-06-09  18.89  18.96  18.28  18.35    -1.87
2000-06-12  18.30  18.60  18.18  18.48     0.71
2000-06-13  18.51  18.70  18.40  18.59     0.60
2000-06-14  18.70  19.00  18.59  18.68     0.48
2000-06-15  18.69  19.09  18.50  18.79     0.59
2000-06-16  18.79  18.97  18.38  18.49    -1.60
2000-06-19  18.50  18.54  18.20  18.28    -1.14
             open   high    low  close  pct_chg
trade_date                                     
2000-12-25  14.65  14.65  14.35  14.39    -1.77
2000-12-26  14.40  14.62  14.30  14.40     0.07
2000-12-27  14.40  14.50  14.36  14.38    -0.14
2000-12-28  14.40  14.42  14.32  14.36    -0.14
2000-12-29  14.36  14.62  14.35  14.52     1.11
2001-01-02  14.54  14.70  14.40  14.55     0.21
2001-01-03  14.56  14.61  14.37  14.44    -0.76
2001-01-04  14.45  14.50  14.30  14.35    -0.62
2001-01-05  14.33  14.33  14.12  14.20    -1.05
2001-01-08  14.20  14.20  13.98  14.00    -1.41
2001-01-09  14.00  14.58  13.85  14.55     3.93
2001-01-10  14.56  14.59  14.31  14.42    -0.89
2001-01-11  14.45  15.20  14.44  14.79     2.57
2001-01-12  14.79  14.95  14.66  14.80     0.07

22.CDLGAPSIDESIDEWHITE - Up/Down-gap side-by-side white lines

函数名:CDLGAPSIDESIDEWHITE

名称:Up/Down-gap side-by-side white lines 向上/下跳空并列阳线

简介:二日K线模式,上升趋势向上跳空,下跌趋势向下跳空,

第一日与第二日有相同开盘价,实体长度差不多,则趋势持续。

语法:

python 复制代码
integer = CDLGAPSIDESIDEWHITE(open, high, low, close)

stock code: 000001.SZ

position Pattern date:

trade_date

2006-06-14 -100

2013-02-06 -100

复制代码
 open  high   low  close  pct_chg
trade_date                                  
2006-06-12  7.90  7.90  7.90   7.90   -10.02
2006-06-13  7.11  7.30  7.11   7.11   -10.00
2006-06-14  7.10  7.18  6.85   7.13     0.28
2006-06-16  7.21  7.27  7.07   7.11    -0.28
2006-06-19  7.05  7.15  6.80   7.07    -0.56
2006-06-20  7.06  7.16  6.97   7.12     0.71
2006-06-21  7.12  7.21  7.08   7.18     0.84
2006-06-22  7.18  7.48  7.15   7.40     3.06
2006-06-23  7.37  7.37  7.24   7.29    -1.49
             open   high    low  close  pct_chg
trade_date                                     
2013-01-28  19.16  21.07  19.16  21.07    10.03
2013-01-29  21.30  21.55  20.63  21.38     1.47
2013-01-30  21.10  21.34  20.80  21.33    -0.23
2013-01-31  21.27  21.34  20.80  21.10    -1.08
2013-02-01  21.02  22.55  20.79  22.43     6.30
2013-02-04  22.26  22.79  21.71  22.01    -1.87
2013-02-05  21.74  22.16  21.19  21.78    -1.05
2013-02-06  21.70  21.98  21.45  21.86     0.37
2013-02-07  21.70  21.81  20.31  20.85    -4.62
2013-02-08  20.78  21.05  20.39  20.75    -0.48

23.CDLGRAVESTONEDOJI - Gravestone Doji

函数名:CDLGRAVESTONEDOJI

名称:Gravestone Doji 墓碑十字/倒T十字

简介:一日K线模式,开盘价与收盘价相同,上影线长,无下影线,预示底部反转。

语法:

python 复制代码
integer = CDLGRAVESTONEDOJI(open, high, low, close)

stock code: 000001.SZ

position Pattern date:

trade_date

2000-02-23 100

2000-06-28 100

复制代码
open   high    low  close  pct_chg
trade_date                                     
2000-02-14  19.20  20.38  18.70  20.37    10.11
2000-02-15  20.50  21.01  19.10  19.46    -4.47
2000-02-16  19.30  19.30  18.56  18.83    -3.24
2000-02-17  18.83  19.69  18.23  18.80    -0.16
2000-02-18  18.79  18.79  18.15  18.41    -2.07
2000-02-21  18.41  19.50  18.00  18.91     2.72
2000-02-22  19.00  19.25  18.20  18.25    -3.49
2000-02-23  18.20  18.58  18.00  18.10    -0.82
2000-02-24  18.05  18.30  18.00  18.18     0.44
2000-02-25  18.18  18.20  18.00  18.09    -0.50
2000-02-28  18.10  18.78  17.80  18.56     2.60
2000-02-29  18.60  18.99  18.05  18.32    -1.29
2000-03-01  18.40  19.50  18.15  18.81     2.67
2000-03-02  18.70  18.76  18.20  18.38    -2.29
2000-03-03  18.41  18.90  18.37  18.58     1.09
             open   high    low  close  pct_chg
trade_date                                     
2000-06-19  18.50  18.54  18.20  18.28    -1.14
2000-06-20  18.28  18.40  18.07  18.19    -0.49
2000-06-21  18.23  18.35  18.08  18.23     0.22
2000-06-23  18.50  18.50  18.10  18.22    -0.05
2000-06-26  18.22  18.32  18.10  18.20    -0.11
2000-06-27  18.20  18.30  18.05  18.13    -0.38
2000-06-28  18.13  18.30  18.10  18.15     0.11
2000-06-29  18.15  18.20  18.00  18.07    -0.44
2000-06-30  18.08  18.26  17.90  18.13     0.33
2000-07-03  18.00  18.03  17.70  17.74    -2.15
2000-07-04  17.68  17.99  17.59  17.84     0.56
2000-07-05  17.85  17.86  17.60  17.67    -0.95
2000-07-06  17.67  17.85  17.66  17.72     0.28
2000-07-07  17.75  18.05  17.70  17.94     1.24

24.CDLHAMMER - Hammer

函数名:CDLHAMMER

名称:Hammer 锤头

简介:一日K线模式,实体较短,无上影线,

下影线大于实体长度两倍,处于下跌趋势底部,预示反转。

语法:

python 复制代码
integer = CDLHAMMER(open, high, low, close)

stock code: 000001.SZ

position Pattern date:

trade_date

2000-11-20 100

2000-12-04 100

复制代码
open   high    low  close  pct_chg
trade_date                                     
2000-11-10  15.50  15.71  15.40  15.54     0.32
2000-11-13  15.52  15.80  15.50  15.67     0.84
2000-11-14  15.73  15.85  15.60  15.76     0.57
2000-11-15  15.78  16.19  15.77  15.98     1.40
2000-11-16  16.00  16.15  15.90  15.97    -0.06
2000-11-17  16.00  16.03  15.65  15.71    -1.63
2000-11-20  15.71  15.71  15.51  15.64    -0.45
2000-11-21  15.65  15.84  15.52  15.64     0.00
2000-11-22  15.64  15.85  15.64  15.79     0.96
2000-11-23  15.80  16.00  15.76  15.88     0.57
2000-11-24  15.95  16.36  15.70  15.83    -0.31
2000-11-27  15.80  15.80  15.60  15.63    -1.26
2000-11-28  15.63  15.75  15.60  15.67     0.26
2000-11-29  15.67  15.68  15.48  15.52    -0.96
2000-11-30  15.51  15.65  15.46  15.49    -0.19
             open   high    low  close  pct_chg
trade_date                                     
2000-11-24  15.95  16.36  15.70  15.83    -0.31
2000-11-27  15.80  15.80  15.60  15.63    -1.26
2000-11-28  15.63  15.75  15.60  15.67     0.26
2000-11-29  15.67  15.68  15.48  15.52    -0.96
2000-11-30  15.51  15.65  15.46  15.49    -0.19
2000-12-01  15.50  15.60  15.44  15.49     0.00
2000-12-04  15.50  15.52  15.40  15.49     0.00
2000-12-05  15.50  15.64  15.50  15.51     0.13
2000-12-06  15.52  15.58  15.35  15.38    -0.84
2000-12-07  15.38  15.40  15.25  15.30    -0.52
2000-12-08  15.15  15.30  15.10  15.18    -0.78
2000-12-11  15.18  15.20  14.75  14.79    -2.57
2000-12-12  14.79  15.00  14.65  14.99     1.35
2000-12-13  15.00  15.11  14.81  14.84    -1.00
2000-12-14  14.99  15.16  14.84  14.96     0.81

25.CDLHANGINGMAN - Hanging Man

函数名:CDLHANGINGMAN

名称:Hanging Man 上吊线

简介:一日K线模式,形状与锤子类似,处于上升趋势的顶部,预示着趋势反转。

语法:

python 复制代码
integer = CDLHANGINGMAN(open, high, low, close)

stock code: 000001.SZ

position Pattern date:

trade_date

2001-10-23 -100

2001-11-21 -100

复制代码
 open   high    low  close  pct_chg
trade_date                                     
2001-10-15  12.61  13.08  12.40  12.96     2.69
2001-10-16  12.96  13.00  12.65  12.81    -1.16
2001-10-17  12.80  13.38  12.72  13.03     1.72
2001-10-18  13.08  13.39  13.00  13.09     0.46
2001-10-19  13.05  13.06  12.35  12.72    -2.83
2001-10-22  12.68  13.09  12.58  12.81     0.71
2001-10-23  14.09  14.09  13.50  14.09     9.99
2001-10-24  14.33  14.50  13.81  14.11     0.14
2001-10-25  14.00  14.09  13.75  13.78    -2.34
2001-10-26  13.78  14.00  13.66  13.90     0.87
2001-10-29  13.92  14.10  13.80  13.89    -0.07
2001-10-30  13.89  13.90  13.58  13.62    -1.94
2001-10-31  13.60  13.82  13.50  13.81     1.40
2001-11-01  13.81  14.00  13.73  13.78    -0.22
2001-11-02  13.85  13.85  13.57  13.60    -1.31
             open   high    low  close  pct_chg
trade_date                                     
2001-11-12  13.34  13.39  13.15  13.27    -0.38
2001-11-13  13.25  13.48  13.18  13.29     0.15
2001-11-14  13.27  13.35  13.18  13.19    -0.75
2001-11-15  13.18  13.27  13.00  13.09    -0.76
2001-11-16  13.88  14.20  13.20  13.25     1.22
2001-11-19  13.38  13.38  13.15  13.26     0.08
2001-11-20  13.35  13.57  13.25  13.49     1.73
2001-11-21  13.55  13.70  13.39  13.69     1.48
2001-11-22  13.69  13.80  13.60  13.70     0.07
2001-11-23  13.70  13.71  13.50  13.54    -1.17
2001-11-26  13.50  13.50  13.37  13.39    -1.11
2001-11-27  13.39  13.48  13.35  13.43     0.30
2001-11-28  13.48  13.75  13.44  13.50     0.52
2001-11-29  13.50  13.55  13.35  13.39    -0.81
2001-11-30  13.35  13.50  13.30  13.42     0.22

26.CDLHARAMI - Harami Pattern

函数名:CDLHARAMI

名称:Harami Pattern 母子线

简介:二日K线模式,分多头母子与空头母子,两者相反,以多头母子为例,在下跌趋势中,第一日K线长阴,

第二日开盘价收盘价在第一日价格振幅之内,为阳线,预示趋势反转,股价上升。

语法:

python 复制代码
integer = CDLHARAMI(open, high, low, close)

stock code: 000001.SZ

position Pattern date:

trade_date

2000-03-03 100

2000-04-25 100

复制代码
 open   high    low  close  pct_chg
trade_date                                     
2000-02-22  19.00  19.25  18.20  18.25    -3.49
2000-02-23  18.20  18.58  18.00  18.10    -0.82
2000-02-24  18.05  18.30  18.00  18.18     0.44
2000-02-25  18.18  18.20  18.00  18.09    -0.50
2000-02-28  18.10  18.78  17.80  18.56     2.60
2000-02-29  18.60  18.99  18.05  18.32    -1.29
2000-03-01  18.40  19.50  18.15  18.81     2.67
2000-03-02  18.70  18.76  18.20  18.38    -2.29
2000-03-03  18.41  18.90  18.37  18.58     1.09
2000-03-06  18.80  19.40  18.20  18.24    -1.83
2000-03-07  18.00  19.30  18.00  19.03     4.33
2000-03-08  19.07  19.19  18.51  18.73    -1.58
2000-03-09  18.77  20.59  18.46  20.08     7.21
2000-03-10  19.98  19.98  18.99  19.04    -5.18
2000-03-13  19.00  19.60  18.90  19.13     0.47
             open   high    low  close  pct_chg
trade_date                                     
2000-04-17  19.52  20.02  18.95  19.18    -1.59
2000-04-18  19.24  19.45  18.97  19.10    -0.42
2000-04-19  19.51  19.68  19.10  19.15     0.26
2000-04-20  19.18  19.33  18.90  19.02    -0.68
2000-04-21  19.02  19.10  18.78  18.81    -1.10
2000-04-24  18.81  18.94  18.50  18.57    -1.28
2000-04-25  18.58  18.92  18.57  18.69     0.65
2000-04-26  18.80  19.80  18.65  19.13     2.35
2000-04-27  19.30  19.40  18.71  18.76    -1.93
2000-04-28  18.74  19.20  18.65  19.06     1.60

27.CDLHARAMICROSS - Harami Cross Pattern

函数名:CDLHARAMICROSS

名称:Harami Cross Pattern 十字孕线

简介:二日K线模式,与母子县类似,若第二日K线是十字线,

便称为十字孕线,预示着趋势反转。

语法:

python 复制代码
integer = CDLHARAMICROSS(open, high, low, close)

stock code: 000001.SZ

position Pattern date:

trade_date

2000-07-31 100

2000-08-16 100

复制代码
 open   high    low  close  pct_chg
trade_date                                     
2000-07-21  17.90  18.05  17.78  17.84    -0.34
2000-07-24  17.83  17.83  17.69  17.72    -0.67
2000-07-25  17.75  17.88  17.69  17.78     0.34
2000-07-26  17.58  17.97  17.58  17.70    -0.45
2000-07-27  17.88  19.47  17.85  18.98     7.23
2000-07-28  18.80  18.97  18.45  18.47    -2.69
2000-07-31  18.51  18.87  18.45  18.51     0.22
2000-08-01  18.55  18.85  18.53  18.57     0.32
2000-08-02  18.62  18.77  18.20  18.26    -1.67
2000-08-03  18.30  18.56  18.11  18.24    -0.11
2000-08-04  18.25  18.43  17.98  18.25     0.05
2000-08-07  18.31  18.60  18.20  18.30     0.27
2000-08-08  18.35  18.40  18.10  18.21    -0.49
2000-08-09  18.20  18.58  18.15  18.35     0.77
2000-08-10  18.35  18.43  18.20  18.22    -0.71
             open   high    low  close  pct_chg
trade_date                                     
2000-08-07  18.31  18.60  18.20  18.30     0.27
2000-08-08  18.35  18.40  18.10  18.21    -0.49
2000-08-09  18.20  18.58  18.15  18.35     0.77
2000-08-10  18.35  18.43  18.20  18.22    -0.71
2000-08-11  18.23  18.45  18.20  18.29     0.38
2000-08-14  18.35  18.85  18.32  18.51     1.20
2000-08-15  18.50  18.59  18.28  18.30    -1.13
2000-08-16  18.40  18.59  18.24  18.42     0.66
2000-08-17  18.42  18.95  18.40  18.58     0.87
2000-08-18  18.60  18.70  18.45  18.48    -0.54
2000-08-21  18.50  18.70  18.38  18.40    -0.43
2000-08-22  18.40  18.50  18.10  18.16    -1.30
2000-08-23  18.10  18.30  17.71  18.09    -0.39
2000-08-24  18.08  18.39  17.95  18.10     0.06
2000-08-25  18.15  18.20  18.00  18.10     0.00

28.CDLHIGHWAVE - High-Wave Candle

函数名:CDLHIGHWAVE

名称:High-Wave Candle 风高浪大线

简介:三日K线模式,具有极长的上/下影线与短的实体,预示着趋势反转。

语法:

python 复制代码
integer = CDLHIGHWAVE(open, high, low, close)

stock code: 000001.SZ

position Pattern date:

trade_date

2000-01-20 100

2000-02-17 -100

复制代码
 open   high    low  close  pct_chg
trade_date                                     
2000-01-10  19.79  20.48  19.77  20.14     3.07
2000-01-11  20.15  20.20  18.80  19.00    -5.66
2000-01-12  19.00  19.20  18.13  18.24    -4.00
2000-01-13  18.20  18.40  17.90  18.14    -0.55
2000-01-14  18.14  18.39  17.75  17.88    -1.43
2000-01-17  17.90  18.10  17.50  18.08     1.12
2000-01-18  18.00  18.08  17.58  17.69    -2.16
2000-01-19  17.50  17.85  17.50  17.79     0.57
2000-01-20  17.80  17.90  17.55  17.81     0.11
2000-01-21  17.80  18.26  17.66  17.96     0.84
2000-01-24  17.91  17.95  17.20  17.50    -2.56
2000-01-25  17.50  18.29  17.50  17.73     1.31
2000-01-26  17.72  17.88  17.50  17.64    -0.51
2000-01-27  17.65  18.17  17.55  17.89     1.42
2000-01-28  18.00  18.58  17.66  18.50     3.41
             open   high    low  close  pct_chg
trade_date                                     
2000-02-14  19.20  20.38  18.70  20.37    10.11
2000-02-15  20.50  21.01  19.10  19.46    -4.47
2000-02-16  19.30  19.30  18.56  18.83    -3.24
2000-02-17  18.83  19.69  18.23  18.80    -0.16
2000-02-18  18.79  18.79  18.15  18.41    -2.07
2000-02-21  18.41  19.50  18.00  18.91     2.72
2000-02-22  19.00  19.25  18.20  18.25    -3.49
2000-02-23  18.20  18.58  18.00  18.10    -0.82
2000-02-24  18.05  18.30  18.00  18.18     0.44
2000-02-25  18.18  18.20  18.00  18.09    -0.50

29.CDLHIKKAKE - Hikkake Pattern

函数名:CDLHIKKAKE

名称:Hikkake Pattern 陷阱

简介:三日K线模式,与母子类似,第二日价格在前一日实体范围内,

第三日收盘价高于前两日,反转失败,趋势继续。

语法:

python 复制代码
integer = CDLHIKKAKE(open, high, low, close)

stock code: 000001.SZ

position Pattern date:

trade_date

2000-01-19 100

2000-02-23 100

复制代码
 open   high    low  close  pct_chg
trade_date                                     
2000-01-10  19.79  20.48  19.77  20.14     3.07
2000-01-11  20.15  20.20  18.80  19.00    -5.66
2000-01-12  19.00  19.20  18.13  18.24    -4.00
2000-01-13  18.20  18.40  17.90  18.14    -0.55
2000-01-14  18.14  18.39  17.75  17.88    -1.43
2000-01-17  17.90  18.10  17.50  18.08     1.12
2000-01-18  18.00  18.08  17.58  17.69    -2.16
2000-01-19  17.50  17.85  17.50  17.79     0.57
2000-01-20  17.80  17.90  17.55  17.81     0.11
2000-01-21  17.80  18.26  17.66  17.96     0.84
2000-01-24  17.91  17.95  17.20  17.50    -2.56
2000-01-25  17.50  18.29  17.50  17.73     1.31
2000-01-26  17.72  17.88  17.50  17.64    -0.51
2000-01-27  17.65  18.17  17.55  17.89     1.42
2000-01-28  18.00  18.58  17.66  18.50     3.41
             open   high    low  close  pct_chg
trade_date                                     
2000-02-14  19.20  20.38  18.70  20.37    10.11
2000-02-15  20.50  21.01  19.10  19.46    -4.47
2000-02-16  19.30  19.30  18.56  18.83    -3.24
2000-02-17  18.83  19.69  18.23  18.80    -0.16
2000-02-18  18.79  18.79  18.15  18.41    -2.07
2000-02-21  18.41  19.50  18.00  18.91     2.72
2000-02-22  19.00  19.25  18.20  18.25    -3.49
2000-02-23  18.20  18.58  18.00  18.10    -0.82
2000-02-24  18.05  18.30  18.00  18.18     0.44
2000-02-25  18.18  18.20  18.00  18.09    -0.50
2000-02-28  18.10  18.78  17.80  18.56     2.60
2000-02-29  18.60  18.99  18.05  18.32    -1.29
2000-03-01  18.40  19.50  18.15  18.81     2.67
2000-03-02  18.70  18.76  18.20  18.38    -2.29
2000-03-03  18.41  18.90  18.37  18.58     1.09

30.CDLHIKKAKEMOD - Modified Hikkake Pattern

函数名:CDLHIKKAKEMOD

名称:Modified Hikkake Pattern 修正陷阱

简介:三日K线模式,与陷阱类似,上升趋势中,第三日跳空高开;

下跌趋势中,第三日跳空低开,反转失败,趋势继续。

语法:

python 复制代码
integer = CDLHIKKAKEMOD(open, high, low, close)

stock code: 000001.SZ

position Pattern date:

trade_date

2019-06-25 100

2021-08-25 100

复制代码
      open   high    low  close  pct_chg
trade_date                                     
2019-06-17  12.48  12.79  12.48  12.67   1.4412
2019-06-18  12.67  12.85  12.59  12.80   1.0260
2019-06-19  13.29  13.39  13.01  13.07   2.1094
2019-06-20  13.17  13.95  13.12  13.80   5.5853
2019-06-21  13.76  13.87  13.58  13.64  -1.1594
2019-06-24  13.69  13.83  13.61  13.69   0.3666
2019-06-25  13.72  13.72  13.07  13.43  -1.8992
2019-06-26  13.27  13.50  13.19  13.37   0.6020
2019-06-27  13.50  13.85  13.45  13.71   2.5430
2019-06-28  13.73  13.79  13.58  13.78   0.5106
2019-07-01  14.01  14.18  13.87  13.93   1.0885
2019-07-02  13.88  14.24  13.86  14.18   1.7947
2019-07-03  14.18  14.21  13.87  14.01  -1.1989
2019-07-04  14.01  14.28  13.88  13.99  -0.1428
2019-07-05  13.95  13.98  13.69  13.92  -0.5004
             open   high    low  close  pct_chg
trade_date                                     
2021-08-16  20.09  20.20  19.57  19.95   0.3017
2021-08-17  19.85  20.22  19.61  19.67  -1.4035
2021-08-18  19.67  21.20  19.55  20.62   4.8297
2021-08-19  20.48  20.62  20.02  20.34  -1.3579
2021-08-20  19.97  20.07  18.70  19.42  -4.5231
2021-08-23  19.50  20.05  19.11  19.30  -0.6179
2021-08-24  19.35  19.97  19.21  19.36   0.3109
2021-08-25  19.42  19.47  18.95  19.16  -1.0331
2021-08-26  19.20  19.26  18.41  18.46  -3.6534
2021-08-27  18.56  18.88  18.31  18.39  -0.3792
2021-08-30  18.21  18.29  17.55  17.72  -3.6433
2021-08-31  17.72  17.93  17.31  17.80   0.4515
2021-09-01  17.48  17.92  17.01  17.88   0.4494
2021-09-02  18.00  18.78  17.80  18.40   2.9083
2021-09-03  18.50  18.50  17.70  18.04  -1.9565
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