MA5:=MA(CLOSE,5);
MA5S:=MA(C,5);
MA20S:=MA(C,20);
MA30S:=MA(C,30);
MA120S:=SMA(C,120,1);
QSXS1:=MA5>REF(MA5S,1);
QSXS2:=MA20S>REF(MA20S,1);
QSXS3:=MA30S>REF(MA30S,1);
DTPL:=MA20S>MA30S AND MA30S>MA120S;
LYHT:=DTPL AND QSXS2 AND QSXS3 AND NOT(QSXS1) AND REF(QSXS1,1);
老鸭回头:LYHT*50;
