def judgeSell(index):
global lastK
global lastD
global lastJ
#当前的K值
ck = lastK[-1]
cd = lastD[-1]
cj = lastJ[-1]
#上一个的K值
lk = lastK[-2]
ld = lastD[-2]
lj = lastJ[-2]
if cd > ck and ld < lk :#下穿
p1 = point.Point(1, lk)
p2 = point.Point(2, ck)
line1 = point.Line(p1, p2)
p3 = point.Point(1, ld)
p4 = point.Point(2, cd)
line2 = point.Line(p3, p4)
pointXY = point.GetCrossPoint(line1, line2)
if pointXY.y > 70:
return True
# if ck > 80 and cd >70:
# return True
# if len(lastJ)>3 and cj > 100 and lj >100 and lastJ[-3]>100:
# return True
return False
def judgeBuy(symbol):
global kdjDict
KDJModelList = kdjDict.get(symbol, [KDJModel(50, 50, 50)])
if len(KDJModelList) < 3:
return False
thisModel = KDJModelList[-1]
lastModel = KDJModelList[-2]
K = thisModel.K
D = thisModel.D
J = thisModel.J
lastK = lastModel.K
lastD = lastModel.D
lastJ = lastModel.J
isBuy = False
if K < D and lastK > lastD and D - K > 1 and lastK - lastD > 1: # 普通下穿
p1 = point.Point(1, lastK)
p2 = point.Point(2, K)
line1 = point.Line(p1, p2)
p3 = point.Point(1, lastD)
p4 = point.Point(2, D)
line2 = point.Line(p3, p4)
pointXY = point.GetCrossPoint(line1, line2)
if pointXY.y < 60:
isBuy = True
if KDJModelList[-3].J < 0 and lastJ < 0 and J < 0:
isBuy = True
if K>55 and D>55 or abs(J-lastJ)<30:
isBuy = False
return isBuy
def judgeBuy(data,index):
global lastK
global lastD
global lastJ
global last100
isBuy = False
Cn = data['close']
Ln = data['low']
Hn = data['high']
if Hn==Ln:
return False
RSV = (Cn-Ln)/(Hn-Ln)*100
K = 2.0/3*lastK[-1]+1.0/3*RSV
D = 2.0/3*lastD[-1]+1.0/3*K
J = 3*K-2*D
if K<D and lastK[-1]>lastD[-1] and D-K>1 and lastK[-1]-lastD[-1]>1: #普通下穿
p1=point.Point(index-1,lastK[-1])
p2=point.Point(index,K)
line1=point.Line(p1,p2)
p3=point.Point(index-1,lastD[-1])
p4=point.Point(index,D)
line2=point.Line(p3,p4)
pointXY = point.GetCrossPoint(line1, line2)
if pointXY.y < 60:
isBuy = True
if len(lastJ) >= 2: # J 连续为负数3个周期
if lastJ[-1] < 0 and lastJ[-2] < 0 and J < 0 :
isBuy = True
if K>55 and D>55 or abs(J-lastJ[-1])<30:
isBuy = False
if isBuy:
if len(last100) > 1 and Cn >= last100[-1] :
isBuy = False
# if len(last100)>90 and Cn <= last100[0]:
# isBuy = True
lastK.append(K)
lastJ.append(J)
lastD.append(D)
if len(lastK)>10:
lastK = lastK[1:]
lastD = lastD[1:]
lastJ = lastJ[1:]
last100.append(data['close'])
last100.sort()
if len(last100) >101:
last100 = last100[1:]
return isBuy
