股票K线图与MACD指标横轴同步缩放显示，MACD显示DIFF、DEA和柱状图，方便同步查看股票价格与MACD指标之间的关系，在使用代码辅助分析时，通过该控件可以方便所得分析结果可见，协助分析。

效果

代码

使用

数据

效果

代码

导入需要的包、单K控件、日期横轴控件、线段柱状图控件、日期计算方法

import sys,json
import numpy as np
from datetime import datetime
from dateutil.relativedelta import relativedelta
from typing import Dict,Any
from PyQt5 import QtCore,QtGui,QtWidgets
from PyQt5.QtCore import Qt
import pyqtgraph as pg
import pyqtgraph.examples
pg.setConfigOption('background','k')
pg.setConfigOption('foreground','w')# 返回今天的日期
def res_date_normal_str():return datetime.now().strftime('%Y-%m-%d')
# 返回今年第一天
def res_current_year_first_day():now_day = datetime.today()current_year = now_day.yearres_str = f"{current_year}-01-01"return res_strpass
# 往回推一年的第一天
def res_pre_year_first_day():# https://blog.csdn.net/weixin_42185136/article/details/108646120pre_year_day = (datetime.now()-relativedelta(years=1)).strftime('%Y-%m-%d')return pre_year_day
# 往回推两年的第一天
def res_pre_two_year_first_day():pre_year_day = (datetime.now() - relativedelta(years=2)).strftime('%Y-%m-%d')return pre_year_dayclass RotateAxisItem(pg.AxisItem):def drawPicture(self, p, axisSpec, tickSpecs, textSpecs):p.setRenderHint(p.Antialiasing,False)p.setRenderHint(p.TextAntialiasing,True)## draw long line along axispen,p1,p2 = axisSpecp.setPen(pen)p.drawLine(p1,p2)p.translate(0.5,0)  ## resolves some damn pixel ambiguity## draw ticksfor pen,p1,p2 in tickSpecs:p.setPen(pen)p.drawLine(p1,p2)## draw all text# if self.tickFont is not None:#     p.setFont(self.tickFont)p.setPen(self.pen())for rect,flags,text in textSpecs:# this is the important partp.save()p.translate(rect.x(),rect.y())p.rotate(-30)p.drawText(-rect.width(),rect.height(),rect.width(),rect.height(),flags,text)# restoring the painter is *required*!!!p.restore()class CandlestickItem(pg.GraphicsObject):def __init__(self, data):pg.GraphicsObject.__init__(self)self.data = data  ## data must have fields: time, open, close, min, maxself.generatePicture()def generatePicture(self):## pre-computing a QPicture object allows paint() to run much more quickly,## rather than re-drawing the shapes every time.self.picture = QtGui.QPicture()p = QtGui.QPainter(self.picture)p.setPen(pg.mkPen('d'))w = (self.data[1][0] - self.data[0][0]) / 3.for (t, open, close, min, max) in self.data:p.drawLine(QtCore.QPointF(t, min), QtCore.QPointF(t, max))if open > close:p.setBrush(pg.mkBrush('r'))else:p.setBrush(pg.mkBrush('g'))p.drawRect(QtCore.QRectF(t - w, open, w * 2, close - open))p.end()def paint(self, p, *args):p.drawPicture(0, 0, self.picture)def boundingRect(self):## boundingRect _must_ indicate the entire area that will be drawn on## or else we will get artifacts and possibly crashing.## (in this case, QPicture does all the work of computing the bouning rect for us)return QtCore.QRectF(self.picture.boundingRect())class SegmenttickItem(pg.GraphicsObject):def __init__(self, data):pg.GraphicsObject.__init__(self)self.data = data  ## data must have fields: time, valueself.generatePicture()def generatePicture(self):self.picture = QtGui.QPicture()p = QtGui.QPainter(self.picture)for (t,val) in self.data:if val > 0.0:p.setPen(pg.mkPen('r'))p.drawLine(QtCore.QPointF(t,0), QtCore.QPointF(t,val))else:p.setPen(pg.mkPen('g'))p.drawLine(QtCore.QPointF(t, 0), QtCore.QPointF(t, val))p.end()def paint(self, p, *args):p.drawPicture(0, 0, self.picture)def boundingRect(self):return QtCore.QRectF(self.picture.boundingRect())

K线和指标同步显示控件

class PyQtGraphLineWidget(QtWidgets.QWidget):def __init__(self):super().__init__()self.init_data()self.init_ui()passdef init_data(self):self.please_select_str = '---请选择---'self.func_map = {}self.func_item_list = []self.duration_map = {'今年':'a','最近一年':'b','最近两年':'c'}# https://www.sioe.cn/yingyong/yanse-rgb-16/self.color_line = (30, 144, 255)self.color_ma_5 = (248,248,255) # 幽灵的白色self.color_ma_10 = (255,255,0) # 纯黄self.color_ma_20 = (255,0,255) # 紫红色self.color_ma_30 = (0,128,0) # 纯绿self.color_ma_60 = (30,144,255) # 道奇蓝self.color_up = (220,20,60)self.color_down = (60,179,113)self.main_fixed_target_list = []  # 主体固定曲线，不能被删除self.whole_df = Noneself.whole_header = Noneself.whole_header2 = Noneself.whole_pd_header = Noneself.whole_pd_header2 = Noneself.current_whole_data = Noneself.current_whole_data2 = Noneself.current_whole_df = Nonepassdef init_ui(self):# 控制面板 startleft_tip = QtWidgets.QLabel('左边界')self.left_point = QtWidgets.QDateEdit()self.left_point.setDisplayFormat('yyyy-MM-dd')self.left_point.setCalendarPopup(True)right_tip = QtWidgets.QLabel('右边界')self.right_point = QtWidgets.QDateEdit()self.right_point.setDisplayFormat('yyyy-MM-dd')self.right_point.setCalendarPopup(True)duration_sel_btn = QtWidgets.QPushButton('确定')duration_sel_btn.clicked.connect(self.duration_sel_btn_clicked)duration_reset_btn = QtWidgets.QPushButton('重置')duration_reset_btn.clicked.connect(self.duration_reset_btn_clicked)duration_tip = QtWidgets.QLabel('常用时间')self.duration_combox = QtWidgets.QComboBox()self.duration_combox.addItem(self.please_select_str)self.duration_combox.addItems(list(self.duration_map.keys()))self.duration_combox.currentIndexChanged.connect(self.duration_combox_currentIndexChanged)combox_tip = QtWidgets.QLabel('功能')self.func_combox = QtWidgets.QComboBox()self.func_combox.addItem(self.please_select_str)self.func_combox.addItems(list(self.func_map.keys()))self.func_combox.currentIndexChanged.connect(self.func_combox_currentIndexChanged)clear_func_btn = QtWidgets.QPushButton('清空功能区')clear_func_btn.clicked.connect(self.clear_func_btn_clicked)self.whole_duration_label = QtWidgets.QLabel('原始最宽边界：左边界~右边界')self.now_duration_label = QtWidgets.QLabel('当前显示最宽边界：左边界~右边界')layout_date = QtWidgets.QHBoxLayout()layout_date.addWidget(left_tip)layout_date.addWidget(self.left_point)layout_date.addWidget(right_tip)layout_date.addWidget(self.right_point)layout_date.addWidget(duration_sel_btn)layout_date.addWidget(duration_reset_btn)layout_date.addSpacing(30)layout_date.addWidget(duration_tip)layout_date.addWidget(self.duration_combox)layout_date.addSpacing(30)layout_date.addWidget(combox_tip)layout_date.addWidget(self.func_combox)layout_date.addWidget(clear_func_btn)layout_date.addStretch(1)layout_duration = QtWidgets.QHBoxLayout()layout_duration.addWidget(self.whole_duration_label)layout_duration.addSpacing(30)layout_duration.addWidget(self.now_duration_label)layout_duration.addStretch(1)# 控制面板 endself.title_label = QtWidgets.QLabel('均线训练')self.title_label.setAlignment(Qt.AlignCenter)self.title_label.setStyleSheet('QLabel{font-size:18px;font-weight:bold}')xax = RotateAxisItem(orientation='bottom')xax.setHeight(h=60)xax2 = RotateAxisItem(orientation='bottom')xax2.setHeight(h=60)self.pw = pg.PlotWidget(axisItems={'bottom': xax})self.pw2 = pg.PlotWidget(axisItems={'bottom': xax2})# self.pw.setMouseEnabled(x=True, y=True)# self.pw.enableAutoRange(x=False,y=True)# self.pw.setAutoVisible(x=False, y=True)layout_pw = QtWidgets.QVBoxLayout()layout_pw.addWidget(self.pw,2)layout_pw.addWidget(self.pw2,1)layout = QtWidgets.QVBoxLayout()layout.addWidget(self.title_label)layout.addLayout(layout_date)layout.addLayout(layout_duration)layout.addLayout(layout_pw)self.setLayout(layout)passdef set_data(self,data:Dict[str,Any]):title_str = data['title_str']whole_header = data['whole_header']whole_header2 = data['whole_header2']whole_df = data['whole_df']whole_pd_header = data['whole_pd_header']whole_pd_header2 = data['whole_pd_header2']self.whole_header = whole_headerself.whole_header2 = whole_header2self.whole_df = whole_dfself.whole_pd_header = whole_pd_headerself.whole_pd_header2 = whole_pd_header2self.title_label.setText(title_str)self.whole_duration_label.setText(f"原始最宽边界：{self.whole_df.iloc[0]['tradeDate']}~{self.whole_df.iloc[-1]['tradeDate']}")self.current_whole_df = self.whole_df.copy()self.caculate_and_show_data()passdef caculate_and_show_data(self):df = self.current_whole_df.copy()df.reset_index(inplace=True)tradeDate_list = df['tradeDate'].values.tolist()x = range(len(df))xTick_show = []x_dur = math.ceil(len(df)/20)for i in range(0,len(df),x_dur):xTick_show.append((i,tradeDate_list[i]))if len(df)%20 != 0:xTick_show.append((len(df)-1,tradeDate_list[-1]))candle_data = []segment_data = []for i,row in df.iterrows():candle_data.append((i,row['openPrice'],row['closePrice'],row['lowestPrice'],row['highestPrice']))segment_data.append((i,row['MACD']))self.current_whole_data = df.loc[:,self.whole_pd_header].values.tolist()self.current_whole_data2 = df.loc[:,self.whole_pd_header2].values.tolist()# 开始配置显示的内容self.pw.clear()self.pw2.clear()self.func_item_list.clear()self.now_duration_label.setText(f"当前显示最宽边界：{df.iloc[0]['tradeDate']}~{df.iloc[-1]['tradeDate']}")xax = self.pw.getAxis('bottom')xax.setTicks([xTick_show])xax2 = self.pw2.getAxis('bottom')xax2.setTicks([xTick_show])candle_fixed_target = CandlestickItem(candle_data)self.main_fixed_target_list.append(candle_fixed_target)self.pw.addItem(candle_fixed_target)# 指标diff_fixed_target = pg.PlotCurveItem(x=np.array(x), y=np.array(df['DIFF'].values.tolist()),pen=pg.mkPen({'color': self.color_ma_5, 'width': 1}),connect='finite')dea_fixed_target = pg.PlotCurveItem(x=np.array(x), y=np.array(df['DEA'].values.tolist()),pen=pg.mkPen({'color': self.color_ma_10, 'width': 1}),connect='finite')segment_fixed_target = SegmenttickItem(segment_data)self.main_fixed_target_list.append(diff_fixed_target)self.main_fixed_target_list.append(dea_fixed_target)self.main_fixed_target_list.append(segment_fixed_target)self.pw2.addItem(segment_fixed_target)self.pw2.addItem(diff_fixed_target)self.pw2.addItem(dea_fixed_target)self.pw2.setXLink(self.pw)self.vLine = pg.InfiniteLine(angle=90, movable=False)self.hLine = pg.InfiniteLine(angle=0, movable=False)self.label = pg.TextItem()self.vLine2 = pg.InfiniteLine(angle=90, movable=False)self.hLine2 = pg.InfiniteLine(angle=0, movable=False)self.label2 = pg.TextItem()self.pw.addItem(self.vLine, ignoreBounds=True)self.pw.addItem(self.hLine, ignoreBounds=True)self.pw.addItem(self.label, ignoreBounds=True)self.pw2.addItem(self.vLine2, ignoreBounds=True)self.pw2.addItem(self.hLine2, ignoreBounds=True)self.pw2.addItem(self.label2, ignoreBounds=True)self.vb = self.pw.getViewBox()self.proxy = pg.SignalProxy(self.pw.scene().sigMouseMoved, rateLimit=60, slot=self.mouseMoved)self.pw.enableAutoRange()self.vb2 = self.pw2.getViewBox()self.proxy2 = pg.SignalProxy(self.pw2.scene().sigMouseMoved, rateLimit=60, slot=self.mouseMoved2)self.pw2.enableAutoRange()passdef mouseMoved(self,evt):pos = evt[0]if self.pw.sceneBoundingRect().contains(pos):mousePoint = self.vb.mapSceneToView(pos)index = int(mousePoint.x())if index>=0 and index<len(self.current_whole_data):target_data = self.current_whole_data[index]html_str = ''for i,item in enumerate(self.whole_header):html_str += f"<br/>{item}:{target_data[i]}"self.label.setHtml(html_str)self.label.setPos(mousePoint.x(),mousePoint.y())self.vLine.setPos(mousePoint.x())self.hLine.setPos(mousePoint.y())self.vLine2.setPos(mousePoint.x())passdef mouseMoved2(self,evt):pos = evt[0]if self.pw2.sceneBoundingRect().contains(pos):mousePoint = self.vb2.mapSceneToView(pos)index = int(mousePoint.x())if index >= 0 and index < len(self.current_whole_data2):target_data = self.current_whole_data2[index]html_str = ''for i, item in enumerate(self.whole_header2):html_str += f"<br/>{item}:{target_data[i]}"self.label2.setHtml(html_str)self.label2.setPos(mousePoint.x(), mousePoint.y())self.vLine2.setPos(mousePoint.x())self.hLine2.setPos(mousePoint.y())self.vLine.setPos(mousePoint.x())passdef mouseClicked(self,evt):passdef updateViews(self):pass# 图形操作之外def duration_sel_btn_clicked(self):'''边界选择'''left_point = self.left_point.date().toString('yyyy-MM-dd')right_point = self.right_point.date().toString('yyyy-MM-dd')df = self.whole_df.copy()df['o_date'] = pd.to_datetime(df['tradeDate'])self.current_whole_df = df.loc[(df['o_date']>=left_point) & (df['o_date']<=right_point)].copy()self.caculate_and_show_data()passdef duration_reset_btn_clicked(self):'''边界重置'''self.current_whole_df = self.whole_df.copy()self.caculate_and_show_data()passdef duration_combox_currentIndexChanged(self,cur_i:int):cur_txt = self.duration_combox.currentText()if cur_txt == self.please_select_str:returncur_code = self.duration_map[cur_txt]right_point = res_date_normal_str()if cur_code == 'a':left_point = res_current_year_first_day()elif cur_code == 'b':left_point = res_pre_year_first_day()elif cur_code == 'c':left_point = res_pre_two_year_first_day()else:returndf = self.whole_df.copy()df['o_date'] = pd.to_datetime(df['tradeDate'])self.current_whole_df = df.loc[(df['o_date'] >= left_point) & (df['o_date'] <= right_point)].copy()self.caculate_and_show_data()passdef func_combox_currentIndexChanged(self,cur_i:int):cur_txt = self.func_combox.currentText()if cur_txt == self.please_select_str:returncur_code = self.func_map[cur_txt]df = self.current_whole_df.copy()if cur_code == 'a':# 多头排列 startdf['count'] = range(len(df))df['duo'] = 0df.loc[(df['ma5'] > df['ma10']) & (df['ma10'] > df['ma20']) & (df['ma20'] > df['ma30']) & (df['ma30'] > df['ma60']), 'duo'] = 1df['ext_0'] = df['duo'] - df['duo'].shift(1)df['ext_1'] = df['duo'] - df['duo'].shift(-1)duo_pre_df = df.loc[df['ext_0'] == 1].copy()duo_fix_df = df.loc[df['ext_1'] == 1].copy()pre_count_list = duo_pre_df['count'].values.tolist()pre_date_list = duo_pre_df['tradeDate'].values.tolist()fix_count_list = duo_fix_df['count'].values.tolist()fix_date_list = duo_fix_df['tradeDate'].values.tolist()if fix_count_list[0]<pre_count_list[0]:fix_count_list = fix_count_list[1:]fix_date_list = fix_date_list[1:]if fix_count_list[-1]<pre_count_list[-1]:pre_count_list = pre_count_list[0:-1]pre_date_list = pre_date_list[0:-1]font = QtGui.QFont()font.setPixelSize(9)for i, item in enumerate(fix_count_list):# 排除掉多头排列三日以下的区间if item-pre_count_list[i] <= 3:continuelr = pg.LinearRegionItem([pre_count_list[i], item],movable=False,brush=(self.color_up[0],self.color_up[1],self.color_up[2],50))lr.setZValue(-100)label_l = pg.InfLineLabel(lr.lines[0],pre_date_list[i],position=0.90,rotateAxis=(1,0),anchor=(1,1),color=self.color_up)label_l.setFont(font)label_r = pg.InfLineLabel(lr.lines[1],fix_date_list[i],position=0.90,rotateAxis=(1,0),anchor=(1,1),color=self.color_up)label_r.setFont(font)self.func_item_list.append(lr)self.pw.addItem(lr)# 多头排列 endpasselif cur_code == 'b':# 空头排列 startdf['count'] = range(len(df))df['duo'] = 0df.loc[(df['ma5'] < df['ma10']) & (df['ma10'] < df['ma20']) & (df['ma20'] < df['ma30']) & (df['ma30'] < df['ma60']), 'duo'] = 1df['ext_0'] = df['duo'] - df['duo'].shift(1)df['ext_1'] = df['duo'] - df['duo'].shift(-1)duo_pre_df = df.loc[df['ext_0'] == 1].copy()duo_fix_df = df.loc[df['ext_1'] == 1].copy()pre_count_list = duo_pre_df['count'].values.tolist()pre_date_list = duo_pre_df['tradeDate'].values.tolist()fix_count_list = duo_fix_df['count'].values.tolist()fix_date_list = duo_fix_df['tradeDate'].values.tolist()if fix_count_list[0] < pre_count_list[0]:fix_count_list = fix_count_list[1:]fix_date_list = fix_date_list[1:]if fix_count_list[-1] < pre_count_list[-1]:pre_count_list = pre_count_list[0:-1]pre_date_list = pre_date_list[0:-1]font = QtGui.QFont()font.setPixelSize(9)for i, item in enumerate(fix_count_list):# 排除掉空头排列三日以下的区间if item - pre_count_list[i] <= 3:continuelr = pg.LinearRegionItem([pre_count_list[i], item], movable=False, brush=(self.color_down[0],self.color_down[1],self.color_down[2], 50))lr.setZValue(-100)label_l = pg.InfLineLabel(lr.lines[0], pre_date_list[i], position=0.90, rotateAxis=(1, 0),anchor=(1, 1), color=self.color_down)label_l.setFont(font)label_r = pg.InfLineLabel(lr.lines[1], fix_date_list[i], position=0.90, rotateAxis=(1, 0),anchor=(1, 1), color=self.color_down)label_r.setFont(font)self.func_item_list.append(lr)self.pw.addItem(lr)# 空头排列 endpasselif cur_code == 'c':# 20日线斜率为正 startdf['count'] = range(len(df))df['ext_0'] = df['ma20'] - df['ma20'].shift(1)df['ext_1'] = 0df.loc[df['ext_0']>0,'ext_1'] = 1df['ext_2'] = df['ext_1'] - df['ext_1'].shift(1)df['ext_3'] = df['ext_1'] - df['ext_1'].shift(-1)duo_pre_df = df.loc[df['ext_2'] == 1].copy()duo_fix_df = df.loc[df['ext_3'] == 1].copy()pre_count_list = duo_pre_df['count'].values.tolist()pre_date_list = duo_pre_df['tradeDate'].values.tolist()fix_count_list = duo_fix_df['count'].values.tolist()fix_date_list = duo_fix_df['tradeDate'].values.tolist()if fix_count_list[0] < pre_count_list[0]:fix_count_list = fix_count_list[1:]fix_date_list = fix_date_list[1:]if fix_count_list[-1] < pre_count_list[-1]:pre_count_list = pre_count_list[0:-1]pre_date_list = pre_date_list[0:-1]font = QtGui.QFont()font.setPixelSize(9)for i, item in enumerate(fix_count_list):# if item - pre_count_list[i] <= 3:#     continuelr = pg.LinearRegionItem([pre_count_list[i], item], movable=False, brush=(self.color_up[0], self.color_up[1], self.color_up[2], 50))lr.setZValue(-100)label_l = pg.InfLineLabel(lr.lines[0], pre_date_list[i], position=0.90, rotateAxis=(1, 0),anchor=(1, 1), color=self.color_up)label_l.setFont(font)label_r = pg.InfLineLabel(lr.lines[1], fix_date_list[i], position=0.90, rotateAxis=(1, 0),anchor=(1, 1), color=self.color_up)label_r.setFont(font)self.func_item_list.append(lr)self.pw.addItem(lr)# 20日线斜率为正 endpasselif cur_code == 'd':# 阶段最高点最低点 start# 最高点df['ext_0'] = df['closePrice'].cummax()df['ext_1'] = df['ext_0'] - df['ext_0'].shift(1)# 最低点df['ext_2'] = df['closePrice'].cummin()df['ext_3'] = df['ext_2'] - df['ext_2'].shift(1)max_point_df = df.loc[df['ext_1']==0].copy()min_point_df = df.loc[df['ext_3']==0].copy()# 阶段最高点最低点 endpasspassdef clear_func_btn_clicked(self):for item in self.func_item_list:self.pw.removeItem(item)self.func_item_list.clear()passpass

使用

if __name__ == '__main__':# 先显示蜡烛图# 600660  福耀玻璃import pandas as pdimport mathimport talibdf = pd.read_csv('E:/temp005/600660.csv',encoding='utf-8')# 删除停牌的数据df = df.loc[df['openPrice']>0].copy()df['openPrice'] = df['openPrice']*df['accumAdjFactor']df['closePrice'] = df['closePrice']*df['accumAdjFactor']df['highestPrice'] = df['highestPrice']*df['accumAdjFactor']df['lowestPrice'] = df['lowestPrice']*df['accumAdjFactor']# 计算指标close_list = df['closePrice']df['DIFF'],df['DEA'],df['MACD'] = talib.MACD(close_list,fastperiod=12,slowperiod=26,signalperiod=9)whole_pd_header = ['tradeDate','closePrice','openPrice','highestPrice','lowestPrice']whole_pd_header2 = ['tradeDate','DIFF','DEA','MACD']line_data = {'title_str':'福耀玻璃','whole_header':['日期','收盘价','开盘价','最高价','最低价'],'whole_header2':['日期','DIFF','DEA','MACD'],'whole_pd_header':whole_pd_header,'whole_pd_header2':whole_pd_header2,'whole_df':df}app = QtWidgets.QApplication(sys.argv)t_win = PyQtGraphLineWidget()t_win.show()t_win.set_data(line_data)sys.exit(app.exec_())pass

滚动鼠标滑轮，可以实现K线与指标的同步缩放

数据

链接：https://pan.baidu.com/s/1HPkMsDDyXTEgffoAVIhbZw
提取码：h80x

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PyQt5_pyqtgraph股票MACD指标

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