dual thrust系统原形
开拓者TB源码： Inputs: K1(.5),K2(.5),Mday(1),Nday(1);
Vars: BuyRange(0), SellRange(0);
Vars: BuyTrig(0),SellTrig(0);
Vars: HH(0),LL(0),HC(0),LC(0);
If CurrentBar > 1 Then Begin
HH = Highest(High,Mday);
HC = Highest(Close,Mday);
LL = Lowest(Low,Mday);
LC = Lowest(Close,Mday);
If (HH - LC) >= (HC - LL) Then Begin
SellRange = HH - LC;
End Else Begin
SellRange = HC - LL;
End;
HH = Highest(High,Nday);
HC = Highest(Close,Nday);
LL = Lowest(Low,Nday);
LC = Lowest(Close,Nday);
If (HH - LC) >= (HC - LL) Then Begin
BuyRange = HH - LC;
End Else Begin
BuyRange = HC - LL;
End;
BuyTrig = K1*BuyRange;
SellTrig = K2*SellRange;
If MarketPosition = 0 Then Begin
Buy at Open of next bar + BuyTrig Stop;
Sell at Open of next bar - SellTrig Stop;
End;
If MarketPosition = -1 Then Begin
Buy at Open of next bar + Buytrig Stop;
End;
If MarketPosition = 1 Then Begin
Sell at Open of next bar - SellTrig Stop;
End;
End;
文华财经源码：
M:=1;
M1:=1;
K1:=0.5;
K2:=0.5;
N:=BARSLAST(DATE<>REF(DATE,1))+1;
OO:=VALUEWHEN(DATE<>REF(DATE,1),O);
HH1:=REF(HHV(H,N*M),N);
LL1:=REF(LLV(L,N*M),N);
HC1:=REF(HHV(C,N*M),N);
LC1:=REF(LLV(C,N*M),N);
HH2:=REF(HHV(H,N*M1),N);
LL2:=REF(LLV(L,N*M1),N);
HC2:=REF(HHV(C,N*M1),N);
LC2:=REF(LLV(C,N*M1),N);
SELLR:=IFELSE((HH1-LC1)>=(HC1-LL1),HH1-LC1,HC1-LL1);
BUYR:=IFELSE((HH2-LC2)>=(HC2-LL2),HH2-LC2,HC2-LL2);
BT:=K1*BUYR;
ST:=K2*SELLR;
BUYP:=OO+BT;
SELLP:=OO-ST;
H>=BUYP&&C>=MAX(O,BUYP),BPK;
L<=SELLP&&C<=MIN(O,SELLP),SPK;
AUTOFILTER;
