private async Task <RealTimeData> Filter(string stockId)
{
DayData dayData = null;
using (var scope = _serviceScopeFactory.CreateScope())
{
var scopedServices = scope.ServiceProvider;
var db = scopedServices.GetRequiredService <StockContext>();
var helper = new Utils.Utility(db);
int nearestDayNum = _arg.NearDaysNum;
int riseNum = _arg.NRiseNum;
var dayDataList = await helper.GetDayData(stockId, nearestDayNum, _arg.BaseDate);
if (dayDataList.Count > 0)
{
//对数据进行处理
for (int i = 0; i < dayDataList.Count - riseNum + 1; i++)
{
int j = 0;
for (; j < riseNum; j++)
{
if (dayDataList[dayDataList.Count - 1 - (i + j)].Close <= dayDataList[dayDataList.Count - 1 - (i + j)].Open)
{
//不符合连涨条件
break;
}
}
if (j == riseNum)
{
//符合条件，不需要再检索
//加入
dayData = dayDataList[dayDataList.Count - 1 - i];
break;
}
}
}
//如果是null，表示不符合筛选条件
RealTimeData real = null;
if (dayData != null)
{
real = await helper.ConvertDayToReal(dayData);
}
return(real);
}
}
private async Task <RealTimeData> Filter(string stockId)
{
using (var scope = _serviceScopeFactory.CreateScope())
{
var scopedServices = scope.ServiceProvider;
var db = scopedServices.GetRequiredService <BlogContext>();
var helper = new Utils.Utility(db);
float low = _arg.ZhangFuLow;
float high = _arg.ZhangFuHigh;
int numcnt = _arg.CircleDaysNum;
DayData dayData = null;
//当天的数据算一个
var dayDataList = await helper.GetDayData(stockId, numcnt, _arg.BaseDate);
//单独只使用涨跌幅，不需要复权
if (dayDataList.Count == numcnt)
{
float mul = 1;
for (int i = 0; i < dayDataList.Count; i++)
{
var fudu = dayDataList[i].ZhangDieFu;
if (fudu != null)
{
mul *= (1 + fudu.Value / 100f);
}
}
if (low / 100f <= mul - 1 && mul - 1 <= high / 100f)
{
dayData = dayDataList[0];
}
}
//如果是null，表示不符合筛选条件
RealTimeData real = null;
if (dayData != null)
{
real = await helper.ConvertDayToReal(dayData);
}
return(real);
}
}
private async Task <RealTimeData> Filter(string stockId)
{
DayData dayData = null;
using (var scope = _serviceScopeFactory.CreateScope())
{
var scopedServices = scope.ServiceProvider;
var db = scopedServices.GetRequiredService <StockContext>();
var helper = new Utils.Utility(db);
bool fitFlag = false;
int objIndex = _arg.StockIdList.IndexOf(stockId);
DateTime startDate = _arg.DateList[objIndex];
//当天的数据算一个
var dayDataList = await helper.GetDayData(stockId, startDate, _arg.BaseDate);
if (dayDataList.Count > 0)
{
//使用成交量，需要复权
//复权，会改变dayDataList中的数据
await Utils.CalcData.FuQuan(db, stockId, dayDataList);
//
//获取均线数据
var closePrice = (from ii in dayDataList
select ii.Close).Max();
if (closePrice != 0)
{
var startItem = dayDataList.LastOrDefault();
dayData = startItem;
dayData.ZhangDieFu = (closePrice - startItem.Close) / startItem.Close * 100;
fitFlag = true;
}
}
//如果是null，表示不符合筛选条件
RealTimeData real = null;
if (fitFlag)
{
real = await helper.ConvertDayToReal(dayData);
}
return(real);
}
}
private async Task <RealTimeData> Filter(string stockId)
{
DayData dayData = null;
using (var scope = _serviceScopeFactory.CreateScope())
{
var scopedServices = scope.ServiceProvider;
var db = scopedServices.GetRequiredService <StockContext>();
var helper = new Utils.Utility(db);
int numcnt = _arg.CircleDaysNum + _arg.NearDaysNum;
//当天的数据算一个
var dayDataList = await helper.GetDayData(stockId, numcnt, _arg.BaseDate);
//使用成交量，需要复权
//复权，会改变dayDataList中的数据
await Utils.CalcData.FuQuan(db, stockId, dayDataList);
bool fitFlag = false;
if (dayDataList.Count == numcnt)
{
for (int j = 0; j < _arg.NearDaysNum; j++)
{
DayData current = dayDataList[_arg.NearDaysNum - 1 - j];
if (current.ZhangDieFu >= _arg.ZhangFu)
{
float sum = 0;
//对数据进行处理,当日的不处理
for (int i = 0; i < _arg.CircleDaysNum; i++)
{
sum += dayDataList[dayDataList.Count - 1 - (i + j)].Volume;
}
float avrage = sum / _arg.CircleDaysNum;
//判断突破的时间
if (current.Volume >= avrage * _arg.VolTimesNum)
{
dayData = current;//满足要求
fitFlag = true;
break;
}
}
}
}
//如果是null，表示不符合筛选条件
RealTimeData real = null;
if (fitFlag)
{
real = await helper.ConvertDayToReal(dayData);
}
return(real);
}
}
private async Task <RealTimeData> Filter(string stockId)
{
DayData dayData = null;
using (var scope = _serviceScopeFactory.CreateScope())
{
var scopedServices = scope.ServiceProvider;
var db = scopedServices.GetRequiredService <StockContext>();
var helper = new Utils.Utility(db);
//当天的数据算一个
var dayDataList = await helper.GetDayData(stockId, _arg.CircleDaysNum + _arg.NearDaysNum, _arg.BaseDate);
//使用成交量，需要复权
//复权，会改变dayDataList中的数据
await Utils.CalcData.FuQuan(db, stockId, dayDataList);
int breakIndex = 0;
if (dayDataList.Count == _arg.CircleDaysNum + _arg.NearDaysNum)
{
//求出最近的最高价格,收盘
int i = 0;
float maxClosePrice = 0;
for (; i < _arg.NearDaysNum; i++)
{
float current = dayDataList[i].Close;
if (current > maxClosePrice)
{
maxClosePrice = current;
breakIndex = i;
}
}
//如果不是严格模式
if (!_arg.StrictMode)
{
//如果收盘价高于收盘价，最高价高于最高价，就排除邻近的一根日线
var nearItem = dayDataList[breakIndex + 1];
if (dayDataList[breakIndex].Close >= nearItem.Close &&
dayDataList[breakIndex].High > nearItem.High)
{
bool allMatch = false;
for (int tempj = i + 1; tempj < dayDataList.Count; tempj++)
{
if (dayDataList[tempj].High > nearItem.Close)
{
allMatch = true;
break;
}
}
if (allMatch)
{
i++;
}
}
}
//求出之前的最高的盘中最高价格
float previousMaxHigh = 0;
for (; i < dayDataList.Count - _arg.NearDaysNum; i++)
{
float current = dayDataList[i].High;
if (current > previousMaxHigh)
{
previousMaxHigh = current;
}
}
//符合回调条件的点
bool match = false;
if (maxClosePrice > previousMaxHigh)
{
for (i = 0; i < _arg.CircleDaysNum; i++)
{
//从最早的数据开始遍历
var listItem = dayDataList[dayDataList.Count - 1 - i];
if (listItem.High >= previousMaxHigh)
{
//寻找到高点
//后面的最低价格
float suffixMinLow = float.MaxValue;
//寻找后续最低点
for (int j = i + 1; j < _arg.CircleDaysNum; j++)
{
float current = dayDataList[dayDataList.Count - 1 - j].Low;
if (current < suffixMinLow)
{
suffixMinLow = current;
}
}
float fudu = (listItem.High - suffixMinLow) / listItem.High;
if (fudu >= _arg.HuiTiaoFuDuLow / 100f && fudu <= _arg.HuiTiaoFuDuHigh / 100f)
{
//符合回调幅度的高点
match = true;
break;
}
}
}
}
if (match)
{
//符合条件
dayData = dayDataList[breakIndex];
}
}
//如果是null，表示不符合筛选条件
RealTimeData real = null;
if (dayData != null)
{
real = await helper.ConvertDayToReal(dayData);
}
return(real);
}
}
private async Task <RealTimeData> Filter(string stockId)
{
DayData dayData = null;
using (var scope = _serviceScopeFactory.CreateScope())
{
var scopedServices = scope.ServiceProvider;
var db = scopedServices.GetRequiredService <StockContext>();
var helper = new Utils.Utility(db);
int numcnt = _arg.RecentDaysNum
+ _arg.MaxDaysNumDownAvgBeforeTwice +
+_arg.MaxDaysNumUpAvgAfterFirst
+ _arg.MinDaysNumDownAvgBeforeFirst
+ _arg.AvgDays;
//当天的数据算一个
var dayDataList = await helper.GetDayData(stockId, numcnt, _arg.BaseDate);
//使用成交量，需要复权
//复权，会改变dayDataList中的数据
await Utils.CalcData.FuQuan(db, stockId, dayDataList);
bool fitFlag = false;
if (dayDataList.Count == numcnt)
{
//
//获取均线数据
var closeList = (from ii in dayDataList
select ii.Close).ToList();
var maArray = Utils.CalcData.Average(closeList, _arg.AvgDays);
int gobleIndex = 0;
//满足条件的flag
for (; gobleIndex < _arg.RecentDaysNum; gobleIndex++)
{
var current = dayDataList[gobleIndex];
if (current.Close >= maArray[gobleIndex] &&
dayDataList[gobleIndex + 1].Close < maArray[gobleIndex + 1])
{
//满足本阶段条件
fitFlag = true;
dayData = current;
break;
}
}
if (fitFlag)
{
//重新设置标记
//检查在均线之下是否超过最大天数
fitFlag = false;
int startIndex = gobleIndex + 1; //之前的处理前一个数据时，并没有移动索引
int bianjie = startIndex + _arg.MaxDaysNumDownAvgBeforeTwice + 1; //往前再弄一天
for (gobleIndex = startIndex; gobleIndex < bianjie; gobleIndex++)
{
var current = dayDataList[gobleIndex];
if (current.Close >= maArray[gobleIndex])
{
fitFlag = true;
break;
}
}
}
if (fitFlag)
{
//重新设置标记
//检查在均线之上是否超过最大天数
fitFlag = false;
int startIndex = gobleIndex; // //之前的处理前一个数据时，移动了索引
int bianjie = startIndex + _arg.MaxDaysNumUpAvgAfterFirst + 1; //刚好全部都在均线上，然后再往前一天在均线下了
for (gobleIndex = startIndex; gobleIndex < bianjie; gobleIndex++)
{
var current = dayDataList[gobleIndex];
if (current.Close < maArray[gobleIndex])
{
//在指定数量内逆序后，第一次出现低于均线
//满足本阶段条件
fitFlag = true;
break;
}
}
if (gobleIndex - startIndex < _arg.MinDaysNumUpAvgAfterFirst)
{
//在均线之上的天数少于要求。
fitFlag = false;
}
}
if (fitFlag)
{
int exceptCnt = 0;
fitFlag = false;
int startIndex = gobleIndex; //之前的处理前一个数据时，移动了索引
int bianjie = startIndex + _arg.MinDaysNumDownAvgBeforeFirst - 1; //这里是满足性检查，不是数据变化检查，上一个检查必定有一个处于均线之下
for (gobleIndex = startIndex; gobleIndex < bianjie; gobleIndex++)
{
//进一步判读之前的是否是在均线之下
var current = dayDataList[gobleIndex];
if (current.Close >= maArray[gobleIndex])
{
//不满足条件
exceptCnt++;
if (exceptCnt > _arg.MaxDaysNumUpAvgBeforeFirst)
{
fitFlag = false;
break;
}
}
}
if (exceptCnt <= _arg.MaxDaysNumUpAvgBeforeFirst)
{
fitFlag = true;
}
}
}
//如果是null，表示不符合筛选条件
RealTimeData real = null;
if (fitFlag)
{
real = await helper.ConvertDayToReal(dayData);
}
return(real);
}
}
private async Task <RealTimeData> Filter(string stockId)
{
DayData dayData = null;
using (var scope = _serviceScopeFactory.CreateScope())
{
var scopedServices = scope.ServiceProvider;
var db = scopedServices.GetRequiredService <StockContext>();
var helper = new Utils.Utility(db);
int numcnt = _arg.CircleDaysNum + _arg.NearDaysNum;
//当天的数据算一个
var dayDataList = await helper.GetDayData(stockId, numcnt, _arg.BaseDate);
//使用成交量，需要复权
//复权，会改变dayDataList中的数据
await Utils.CalcData.FuQuan(db, stockId, dayDataList);
if (dayDataList.Count == numcnt)
{
//求出最近的最高价格,收盘
int i = 0;
float maxClosePriceInNearDays = 0;
for (; i < _arg.NearDaysNum; i++)
{
float current = dayDataList[i].Close;
if (current > maxClosePriceInNearDays)
{
maxClosePriceInNearDays = current;
}
}
//求出之前的最高的盘中最高价格
float maxHighInPreviousDays = 0;
for (; i < dayDataList.Count - _arg.NearDaysNum; i++)
{
float current = dayDataList[i].High;
if (current > maxHighInPreviousDays)
{
maxHighInPreviousDays = current;
}
}
//符合回调条件的点
bool match = false;
if (maxClosePriceInNearDays <= maxHighInPreviousDays &&
(maxHighInPreviousDays - maxClosePriceInNearDays) / maxClosePriceInNearDays * 100 < _arg.XiangchaLv
)
{
for (i = 0; i < _arg.CircleDaysNum; i++)
{
//从最早的数据开始遍历
var listItem = dayDataList[dayDataList.Count - 1 - i];
if (listItem.High >= maxHighInPreviousDays)
{
//寻找到高点
//后面的最低价格
float suffixMinLow = float.MaxValue;
//寻找后续最低点
for (int j = i + 1; j < _arg.CircleDaysNum; j++)
{
float current = dayDataList[dayDataList.Count - 1 - j].Low;
if (current < suffixMinLow)
{
suffixMinLow = current;
}
}
float fudu = (listItem.High - suffixMinLow) / listItem.High;
if (fudu >= _arg.HuiTiaoFuDuLow / 100f && fudu <= _arg.HuiTiaoFuDuHigh / 100f)
{
//符合回调幅度的高点
match = true;
break;
}
}
}
}
if (match)
{
//符合条件
dayData = dayDataList[0];
}
}
//如果是null，表示不符合筛选条件
RealTimeData real = null;
if (dayData != null)
{
real = await helper.ConvertDayToReal(dayData);
}
return(real);
}
}
private async Task <RealTimeData> Filter(string stockId)
{
DayData dayData = null;
using (var scope = _serviceScopeFactory.CreateScope())
{
var scopedServices = scope.ServiceProvider;
var db = scopedServices.GetRequiredService <StockContext>();
var helper = new Utils.Utility(db);
int numcnt = 1 + _arg.NearDaysNum;
//当天的数据算一个
var dayDataList = await helper.GetDayData(stockId, numcnt, _arg.BaseDate);
//使用成交量，需要复权
//复权，会改变dayDataList中的数据
await Utils.CalcData.FuQuan(db, stockId, dayDataList);
if (dayDataList.Count == numcnt)
{
//符合回调条件的点
bool match = false;
int matchIndex = -1;
for (int i = 0; i < _arg.NearDaysNum; i++)
{
//从最早的数据开始遍历
int currentIndex = dayDataList.Count - 1 - i - 1; //要跳过第一个数据
var currentListItem = dayDataList[currentIndex];
var previousListItem = dayDataList[currentIndex + 1]; //是倒序。
if (currentListItem.Low > previousListItem.High &&
(currentListItem.Low - previousListItem.Close) / previousListItem.Close > _arg.GapPercent / 100.0 &&
currentListItem.Close > currentListItem.Open && //真阳线
currentListItem.ZhangDieFu <= _arg.LimitPercent
)
{
//满足跳空条件
//后面的最低价格
float suffixMinLow = float.MaxValue;
//寻找后续最低点
for (int j = i; j < _arg.NearDaysNum; j++)
{
var temp = dayDataList[dayDataList.Count - 1 - j - 1];
float current = temp.Low;
if (current < suffixMinLow)
{
suffixMinLow = current;
}
}
if (suffixMinLow > previousListItem.High)
{
//符合回调幅度的高点
match = true;
matchIndex = currentIndex;
break;
}
}
}
if (match)
{
//符合条件
dayData = dayDataList[matchIndex];
}
}
//如果是null，表示不符合筛选条件
RealTimeData real = null;
if (dayData != null)
{
real = await helper.ConvertDayToReal(dayData);
}
return(real);
}
}
private async Task <RealTimeData> Filter(string stockId)
{
DayData dayData = null;
using (var scope = _serviceScopeFactory.CreateScope())
{
var scopedServices = scope.ServiceProvider;
var db = scopedServices.GetRequiredService <StockContext>();
var helper = new Utils.Utility(db);
int numcnt = _arg.UpDaysNum + _arg.NearDaysNum + _arg.AvgDays;
//当天的数据算一个
var dayDataList = await helper.GetDayData(stockId, numcnt, _arg.BaseDate);
//使用成交量，需要复权
//复权，会改变dayDataList中的数据
await Utils.CalcData.FuQuan(db, stockId, dayDataList);
bool fitFlag = false;
if (dayDataList.Count == numcnt)
{
//
//获取均线数据
var closeList = (from ii in dayDataList
select ii.Close).ToList();
var maArray = Utils.CalcData.Average(closeList, _arg.AvgDays);
//满足条件的flag
//对数据进行处理,当日的不处理
for (int i = 0; i < _arg.UpDaysNum; i++)
{
var current = dayDataList[i];
if (current.Close > maArray[i])
{
//不满足条件
fitFlag = true;
dayData = current;
break;
}
}
if (fitFlag)
{
int exceptCnt = 0;
for (int j = 0; j < _arg.NearDaysNum; j++)
{
//进一步判读之前的是否是在均线之下
var temp = dayDataList[j + _arg.UpDaysNum];
if (temp.Close >= maArray[j + _arg.UpDaysNum])
{
//不满足条件
exceptCnt++;
if (exceptCnt > _arg.ExceptionNum)
{
fitFlag = false;
break;
}
}
}
}
}
//如果是null，表示不符合筛选条件
RealTimeData real = null;
if (fitFlag)
{
real = await helper.ConvertDayToReal(dayData);
}
return(real);
}
}
private async Task <RealTimeData> Filter(string stockId)
{
DayData dayData = null;
using (var scope = _serviceScopeFactory.CreateScope())
{
var scopedServices = scope.ServiceProvider;
var db = scopedServices.GetRequiredService <BlogContext>();
var helper = new Utils.Utility(db);
int nearestDayNum = _arg.NearDaysNum;
int riseNum = _arg.NRiseNum;
float volumePercent = _arg.VolumePercent;
var dayDataList = await helper.GetDayData(stockId, nearestDayNum, _arg.BaseDate);
if (dayDataList.Count > 0)
{
//对数据进行处理
for (int i = 0; i < dayDataList.Count - riseNum + 1; i++)
{
int j = 0;
for (; j < riseNum - 1; j++)
{
int index = dayDataList.Count - 1 - (i + j);
if (dayDataList[index].Volume < dayDataList[index - 1].Volume)
{
//不符合连续缩量
break;
}
}
if (j == riseNum - 1)
{
//符合条件
//再判断成交量
int index = dayDataList.Count - 1 - (i + j);
if (dayDataList[index].Volume <= dayDataList[index + riseNum - 1].Volume * volumePercent / 100f)
{
//加入
dayData = dayDataList[dayDataList.Count - 1 - i];
break;
}
}
}
}
//如果是null，表示不符合筛选条件
RealTimeData real = null;
if (dayData != null)
{
real = await helper.ConvertDayToReal(dayData);
}
return(real);
}
}
private async Task <RealTimeData> Filter(string stockId)
{
DayData dayData = null;
using (var scope = _serviceScopeFactory.CreateScope())
{
var scopedServices = scope.ServiceProvider;
var db = scopedServices.GetRequiredService <StockContext>();
var helper = new Utils.Utility(db);
//当天的数据算一个
var dayDataList = await helper.GetDayData(stockId, _arg.CircleDaysNum + _arg.NearDaysNum, _arg.BaseDate);
//使用成交量，需要复权
//复权，会改变dayDataList中的数据
await Utils.CalcData.FuQuan(db, stockId, dayDataList);
int breakIndex = 0;
if (dayDataList.Count == _arg.CircleDaysNum + _arg.NearDaysNum)
{
var query = from item in dayDataList
select(item.Open + item.Close) / 2;
var midPrices = query.ToArray();
//求出最近的最高中阶
int i = 0;
float maxMiddlePrice = 0;
for (; i < _arg.NearDaysNum; i++)
{
float current = midPrices[i];
if (current > maxMiddlePrice)
{
maxMiddlePrice = current;
breakIndex = i;
}
}
//求出之前的最高的盘中最高价格
float previousMaxMiddle = 0;
for (; i < midPrices.Count() - _arg.NearDaysNum; i++)
{
float current = midPrices[i];
if (current > previousMaxMiddle)
{
previousMaxMiddle = current;
}
}
//符合回调条件的点
bool match = false;
if (maxMiddlePrice > previousMaxMiddle)
{
for (i = 0; i < _arg.CircleDaysNum; i++)
{
//从最早的数据开始遍历
var listItem = midPrices[midPrices.Count() - 1 - i];
if (listItem >= previousMaxMiddle)
{
//寻找到了高点
//后面的最低价格
float suffixMinLow = float.MaxValue;
//寻找后续最低点
for (int j = i + 1; j < _arg.CircleDaysNum; j++)
{
float current = midPrices[midPrices.Count() - 1 - j];
if (current < suffixMinLow)
{
suffixMinLow = current;
}
}
float fudu = (listItem - suffixMinLow) / listItem;
if (fudu >= _arg.HuiTiaoFuDuLow / 100f && fudu <= _arg.HuiTiaoFuDuHigh / 100f)
{
//符合回调幅度的高点
match = true;
break;
}
}
}
}
if (match)
{
//符合条件
dayData = dayDataList[breakIndex];
}
}
//如果是null，表示不符合筛选条件
RealTimeData real = null;
if (dayData != null)
{
real = await helper.ConvertDayToReal(dayData);
}
return(real);
}
}
private async Task <RealTimeData> Filter(string stockId)
{
DayData dayData = null;
using (var scope = _serviceScopeFactory.CreateScope())
{
var scopedServices = scope.ServiceProvider;
var db = scopedServices.GetRequiredService <StockContext>();
var helper = new Utils.Utility(db);
const int minDataCntForIteration = 130;
int numcnt = _arg.UpDaysNum + _arg.NearDaysNum + _arg.AvgDays;
if (numcnt < minDataCntForIteration)
{
numcnt = minDataCntForIteration;
}
//当天的数据算一个
var dayDataList = await helper.GetDayData(stockId, numcnt, _arg.BaseDate);
//使用成交量，需要复权
//复权，会改变dayDataList中的数据
await Utils.CalcData.FuQuan(db, stockId, dayDataList);
bool fitFlag = false;
if (dayDataList.Count == numcnt)
{
//
//获取均线数据
var closeList = (from ii in dayDataList
select ii.Close).ToList();
var macd = Utils.CalcData.MACD(closeList);
var diff = macd.diff;
var dea = macd.dea;
//从0开始是对齐的，因为是采用的时间逆序，后面的数据可能有缺失 。
//满足条件的flag
//对数据进行处理,当日的不处理
for (int i = 0; i < _arg.UpDaysNum; i++)
{
var current = dayDataList[i];
if (diff[i] >= _arg.LowDiff && dea[i] >= _arg.LowDea)
{
//不满足条件
fitFlag = true;
dayData = current;
break;
}
}
if (fitFlag)
{
int exceptCnt = 0;
for (int j = 0; j < _arg.NearDaysNum; j++)
{
//进一步判读之前的是否是在diff,dea都大于0
//var temp = dayDataList[j + _arg.UpDaysNum];
//if (temp.Close >= maArray[j + _arg.UpDaysNum])
int index = j + _arg.UpDaysNum;
if (diff[j] >= _arg.PreLowDiff && dea[j] >= _arg.PreLowDea)
{
//满足条件
exceptCnt++;
if (exceptCnt > _arg.ExceptionNum)
{
fitFlag = false;
break;
}
}
}
}
}
//如果是null，表示不符合筛选条件
RealTimeData real = null;
if (fitFlag)
{
real = await helper.ConvertDayToReal(dayData);
}
return(real);
}
}