/// <summary>
/// 计算一个股票的 BOLL突破上轨、BOLL突破中轨
/// </summary>
/// <param name="lstRet"></param>
private static void CalcOneStockBool(List <BOLLResult> lstRet)
{
for (int i = 2; i < lstRet.Count; i++)
{
BOLLResult cur = lstRet[i];
BOLLResult pre1 = lstRet[i - 1];
BOLLResult pre2 = lstRet[i - 2];
//突破上轨
if (pre1.CP == pre1.UP)
{
cur.Upper = (pre2.CP <pre2.UP && cur.UP> cur.UP);
}
else
{
cur.Upper = (pre1.CP <pre1.UP && cur.CP> cur.UP);
}
//突破中轨
if (pre1.CP == pre1.MB)
{
cur.Mid = (pre2.UP <pre2.MB && cur.CP> cur.MB);
}
else
{
cur.Mid = (pre1.CP <pre1.MB && cur.CP> cur.MB);
}
}
}
/// <summary>
/// 计算一个股票的BOLL
/// </summary>
/// <param name="lstRet">计算数据</param>
/// <param name="maParam">入参</param>
public static void CalcOneStock(List <BOLLResult> lstRet, int maParam = 20)
{
for (int i = 0; i < lstRet.Count; i++)
{
int curIndex = maParam + i - 1;
if (curIndex >= lstRet.Count)
{
break;
}
BOLLResult cur = lstRet[curIndex];
var lstTemp = lstRet.Skip(i).Take(maParam);
cur.MA = lstTemp.Average(m => m.CP);
cur.MD = Math.Sqrt(lstTemp.Average(m => Math.Pow(m.CP - cur.MA, 2)));
cur.MB = lstTemp.Skip(1).Average(m => m.CP);
cur.UP = cur.MB + 2 * cur.MD;
cur.DN = cur.MB - 2 * cur.MD;
}
CalcOneStockBool(lstRet);
}