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StockAbnormalTransactionDays
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简述
区间异常波动频数
在考察期内,股票价格受某一种因素或多种因素影响,单日涨,跌幅超过一定限度(如:>=5%)的统计
定义
StockAbnormalTransactionDays(BegT:TDateTime;EndT:TDateTime;Criterion:Real;MethodType:Integer;ReturnType:Integer): Integer /TableArray;
参数
名称
类型
说明
BegT
TDateTime
日期,开始日期
EndT
TDateTime
日期,截止日期
Criterion
Real
实数,评估标准(%)
MethodType
Integer
整数,评估方式
Criterion的值
评估方式
0
只考虑涨幅大于等于评估标准的
1
只考虑跌幅大于等于评估标准的
2
全部考虑
ReturnType
Integer
整数,返回类型
MethodType的值
返回类型
0
波动天数
1
波动发生的日期
返回
Integer /TableArray
整数或数组
范例
//A:返回SZ000002(万科A)从20110801到20110901的区间异常波动频数 (只考虑涨幅大于等于评估标准的,返回波动天数)
SetSysParam(PN_Stock(),'SZ000002');
BegT:=inttodate(20110801);
EndT:=inttodate(20110901);
return StockAbnormalTransactionDays(BegT,EndT,2,0,0);
//结果:2
//B:返回SZ000002(万科A)从20110801到20110901的区间异常波动频数 (只考虑涨幅大于等于评估标准的,返回波动发生的日期)
SetSysParam(PN_Stock(),'SZ000002');
BegT:=inttodate(20110801);
EndT:=inttodate(20110901);
return StockAbnormalTransactionDays(BegT,EndT,2,0,1);
//结果:
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