{底部岛型反转选股公式}
XTK:=HIGH<REF(LOW,1);
STK:=LOW>REF(HIGH,1);
QKGJ:=REF(HIGH,BARSLAST(XTK));
QKQJ:=REF(LOW,BARSLAST(XTK)+1);
TJA:=BARSLAST(XTK)>0 AND BARSLAST(XTK)<=10;
TJC:=LOW>QKGJ OR (LOW>REF(CLOSE,BARSLAST(XTK)) AND HIGH>QKQJ);
底部岛型:TJA AND STK AND TJC AND CLOSE>OPEN;