From 64bd2eb6d2c9002831d780ca227ce38a89e5ebb5 Mon Sep 17 00:00:00 2001
From: "vn.py" <vn.py@foxmail.com>
Date: Thu, 30 Nov 2017 15:08:35 +0800
Subject: [PATCH] =?UTF-8?q?[Add]=E5=88=9D=E6=AD=A5=E5=AE=8C=E6=88=90Option?=
 =?UTF-8?q?Master=E6=A0=B8=E5=BF=83=E5=AE=9A=E4=BB=B7=E9=83=A8=E5=88=86?=
 =?UTF-8?q?=E7=9A=84=E5=BC=80=E5=8F=91?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../data/TRADE_MARKET_110100001088sop.dat     |   2 +-
 examples/OptionMaster/run.py                  |   3 +-
 vnpy/pricing/__init__.py                      |   0
 vnpy/pricing/black.py                         |  14 +-
 vnpy/trader/app/optionMaster/__init__.py      |   8 +-
 .../app/optionMaster/etf_portfolio.json       |  15 +--
 vnpy/trader/app/optionMaster/omBase.py        |  47 ++++---
 vnpy/trader/app/optionMaster/omEngine.py      | 126 +++++++++++-------
 vnpy/trader/app/optionMaster/uiOmWidget.py    | 123 +++++++++++++++++
 vnpy/trader/gateway/secGateway/secGateway.py  |  13 +-
 vnpy/trader/vtEngine.py                       |   5 +
 11 files changed, 269 insertions(+), 87 deletions(-)
 create mode 100644 vnpy/pricing/__init__.py
 create mode 100644 vnpy/trader/app/optionMaster/uiOmWidget.py

diff --git a/examples/OptionMaster/data/TRADE_MARKET_110100001088sop.dat b/examples/OptionMaster/data/TRADE_MARKET_110100001088sop.dat
index 78625f8b..347dba0b 100644
--- a/examples/OptionMaster/data/TRADE_MARKET_110100001088sop.dat
+++ b/examples/OptionMaster/data/TRADE_MARKET_110100001088sop.dat
@@ -1 +1 @@
-PurwJxAEvTeQ9X8HMnmMRw==
\ No newline at end of file
+B7/DvEptJ5IBD1LIj9SEFg==
\ No newline at end of file
diff --git a/examples/OptionMaster/run.py b/examples/OptionMaster/run.py
index 663d722e..bc6948b0 100644
--- a/examples/OptionMaster/run.py
+++ b/examples/OptionMaster/run.py
@@ -19,7 +19,7 @@ from vnpy.trader.uiMainWindow import MainWindow
 from vnpy.trader.gateway import (secGateway)
 
 # 加载上层应用
-from vnpy.trader.app import (riskManager)
+from vnpy.trader.app import (riskManager, optionMaster)
 
 
 #----------------------------------------------------------------------
@@ -39,6 +39,7 @@ def main():
         
     # 添加上层应用
     me.addApp(riskManager)
+    me.addApp(optionMaster)
     
     # 创建主窗口
     mw = MainWindow(me, ee)
diff --git a/vnpy/pricing/__init__.py b/vnpy/pricing/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/vnpy/pricing/black.py b/vnpy/pricing/black.py
index ecc5ae3e..5792da61 100644
--- a/vnpy/pricing/black.py
+++ b/vnpy/pricing/black.py
@@ -23,6 +23,7 @@ theta：当t变动1天时，price的变动（国内交易日每年240天）
 vega：当v涨跌1个点时，price的变动（如从16%涨到17%）
 '''
 
+from __future__ import division
 
 from scipy import stats
 from math import (log, pow, sqrt, exp)
@@ -74,9 +75,15 @@ def calculateTheta(f, k, r, t, v, cp):
 #----------------------------------------------------------------------
 def calculateVega(f, k, r, t, v, cp):
     """计算Vega值"""
+    vega = calculateVega(f, k, r, t, v, cp) / 100
+    return vega
+
+#----------------------------------------------------------------------
+def calculateOriginalVega(f, k, r, t, v, cp):
+    """计算原始vega值"""    
     price1 = calculatePrice(f, k, r, t, v*STEP_UP, cp)
     price2 = calculatePrice(f, k, r, t, v*STEP_DOWN, cp)
-    vega = (price1 - price2) / (v * STEP_DIFF * 100) 
+    vega = (price1 - price2) / (v * STEP_DIFF)
     return vega
 
 #----------------------------------------------------------------------
@@ -109,12 +116,13 @@ def calculateImpv(price, f, k, r, t, cp):
         return 0
     
     # 采用Newton Raphson方法计算隐含波动率
-    v = 0.2     # 初始波动率猜测
+    v = 0.3     # 初始波动率猜测
     
     for i in range(50):
         # 计算当前猜测波动率对应的期权价格和vega值
         p = calculatePrice(f, k, r, t, v, cp)
-        vega = calculateVega(f, k, r, t, v, cp)
+        #print 'calculating vega', f, k, r, t, v, cp
+        vega = calculateOriginalVega(f, k, r, t, v, cp)
         
         # 计算误差
         dx = (price - p) / vega
diff --git a/vnpy/trader/app/optionMaster/__init__.py b/vnpy/trader/app/optionMaster/__init__.py
index 05ff3d30..e2f06d8f 100644
--- a/vnpy/trader/app/optionMaster/__init__.py
+++ b/vnpy/trader/app/optionMaster/__init__.py
@@ -1,10 +1,10 @@
 # encoding: UTF-8
 
-#from rmEngine import RmEngine
-#from uiRmWidget import RmEngineManager
+from .omEngine import OmEngine
+from .uiOmWidget import OmManager
 
 appName = 'OptionMaster'
 appDisplayName = u'OptionMaster'
-appEngine = None
-appWidget = None
+appEngine = OmEngine
+appWidget = OmManager
 appIco = 'om.ico'
\ No newline at end of file
diff --git a/vnpy/trader/app/optionMaster/etf_portfolio.json b/vnpy/trader/app/optionMaster/etf_portfolio.json
index 46a685e7..029bdf0f 100644
--- a/vnpy/trader/app/optionMaster/etf_portfolio.json
+++ b/vnpy/trader/app/optionMaster/etf_portfolio.json
@@ -2,19 +2,18 @@
     "name": "etf_portfolio", 
     "model": "black",
     "underlying": [
-        "IH1711", 
-        "IH1712"
+        "510050"
     ],     
     "chain": [
         {
-            "underlyingSymbol": "IH1711", 
-            "chainSymbol": "m1709", 
-            "interestRate": 0.03, 
+            "underlyingSymbol": "510050", 
+            "chainSymbol": "510050-1712", 
+            "r": 0.03
         },
         {
-            "underlyingSymbol": "IH1711", 
-            "chainSymbol": "m1801", 
-            "interestRate": 0.03, 
+            "underlyingSymbol": "510050", 
+            "chainSymbol": "510050-1801", 
+            "r": 0.03
         }
     ]
 }
\ No newline at end of file
diff --git a/vnpy/trader/app/optionMaster/omBase.py b/vnpy/trader/app/optionMaster/omBase.py
index 98780ebe..28e6a745 100644
--- a/vnpy/trader/app/optionMaster/omBase.py
+++ b/vnpy/trader/app/optionMaster/omBase.py
@@ -1,5 +1,7 @@
 # encoding: UTF-8
 
+from __future__ import division
+
 from copy import copy
 from collections import OrderedDict
 
@@ -26,7 +28,10 @@ class OmInstrument(VtTickData):
         """Constructor"""
         super(OmInstrument, self).__init__()
         
+        self.tickInited = False
+        
         # 初始化合约信息
+        self.symbol = contract.symbol
         self.exchange = contract.exchange
         self.vtSymbol = contract.vtSymbol
     
@@ -38,10 +43,15 @@ class OmInstrument(VtTickData):
         self.midPrice = EMPTY_FLOAT
         
         # 持仓数据
-        self.longPos = detail.longPos
-        self.shortPos = detail.shortPos
-        self.netPos = self.longPos - self.shortPos
+        self.longPos = 0
+        self.shortPos = 0
+        self.netPos = 0
         
+        if detail:
+            self.longPos = detail.longPos
+            self.shortPos = detail.shortPos
+            self.netPos = self.longPos - self.shortPos
+            
     #----------------------------------------------------------------------
     def newTick(self, tick):
         """行情更新"""
@@ -61,6 +71,7 @@ class OmInstrument(VtTickData):
         self.askPrice1 = tick.askPrice1
         self.bidVolume1 = tick.bidVolume1
         self.askVolume1 = tick.askVolume1
+        self.midPrice = (self.bidPrice1 + self.askPrice1) / 2
 
     #----------------------------------------------------------------------
     def newTrade(self, trade):
@@ -98,17 +109,22 @@ class OmUnderlying(OmInstrument):
     """标的物"""
 
     #----------------------------------------------------------------------
-    def __init__(self, contract, chainList):
+    def __init__(self, contract, detail, chainList=None):
         """Constructor"""
-        super(OmUnderlying, self).__init__(contract)
+        super(OmUnderlying, self).__init__(contract, detail)
         
         # 以该合约为标的物的期权链字典
-        self.chainDict = OrderedDict((chain.symbol, chain) for chain in chainList)
+        self.chainDict = OrderedDict()
         
         # 希腊值
         self.theoDelta = EMPTY_FLOAT    # 理论delta值
         self.posDelta = EMPTY_FLOAT     # 持仓delta值
         
+    #----------------------------------------------------------------------
+    def addChain(self, chain):
+        """添加以该合约为标的的期权链"""
+        self.chainDict[chain.symbol] = chain
+        
     #----------------------------------------------------------------------
     def newTick(self, tick):
         """行情更新"""
@@ -117,7 +133,7 @@ class OmUnderlying(OmInstrument):
         self.theoDelta = self.size * self.midPrice / 100
         
         # 遍历推送自己的行情到期权链中
-        for chain in self.chainList:
+        for chain in self.chainDict.values():
             chain.newUnderlyingTick()
 
     #----------------------------------------------------------------------
@@ -137,12 +153,12 @@ class OmOption(OmInstrument):
     """期权"""
 
     #----------------------------------------------------------------------
-    def __init__(self, contract, underlying, model, r):
+    def __init__(self, contract, detail, underlying, model, r):
         """Constructor"""
-        super(OmOption, self).__init__(contract)
+        super(OmOption, self).__init__(contract, detail)
         
         # 期权属性
-        self.underlying = None          # 标的物对象
+        self.underlying = underlying    # 标的物对象
         self.k = contract.strikePrice   # 行权价
         self.r = r                      # 利率
         
@@ -183,7 +199,7 @@ class OmOption(OmInstrument):
         self.chain = None
         
     #----------------------------------------------------------------------
-    def calculateImpv(self):
+    def calculateOptionImpv(self):
         """计算隐含波动率"""
         underlyingPrice = self.underlying.midPrice
         if not underlyingPrice:
@@ -222,12 +238,12 @@ class OmOption(OmInstrument):
     def newTick(self, tick):
         """行情更新"""
         super(OmOption, self).newTick(tick)
-        self.calculateImpv()
+        self.calculateOptionImpv()
     
     #----------------------------------------------------------------------
     def newUnderlyingTick(self):
         """标的行情更新"""
-        self.calculateImpv()
+        self.calculateOptionImpv()
         self.calculateTheoGreeks()
         self.calculatePosGreeks()
         
@@ -243,7 +259,6 @@ class OmOption(OmInstrument):
         self.underlying = underlying
         
 
-
 ########################################################################
 class OmChain(object):
     """期权链"""
@@ -394,10 +409,10 @@ class OmPortfolio(object):
         self.posTheta = 0
         self.posVega = 0
         
-        for underlying in self.underlyingList:
+        for underlying in self.underlyingDict.values():
             self.posDelta += underlying.posDelta
         
-        for chain in self.chainList:
+        for chain in self.chainDict.values():
             self.longPos += chain.longPos
             self.shortPos += chain.shortPos
             
diff --git a/vnpy/trader/app/optionMaster/omEngine.py b/vnpy/trader/app/optionMaster/omEngine.py
index ef2414a1..766b35e3 100644
--- a/vnpy/trader/app/optionMaster/omEngine.py
+++ b/vnpy/trader/app/optionMaster/omEngine.py
@@ -5,16 +5,26 @@ import json
 import shelve
 import os
 import traceback
+from collections import OrderedDict
 
 from vnpy.event import Event
 from vnpy.trader.vtEvent import EVENT_TICK, EVENT_TRADE, EVENT_CONTRACT
 from vnpy.trader.vtFunction import getTempPath, getJsonPath
-from vnpy.trader.vtObject import VtLogData
+from vnpy.trader.vtObject import VtLogData, VtSubscribeReq
+from vnpy.trader.vtConstant import PRODUCT_OPTION, OPTION_CALL, OPTION_PUT
+from vnpy.pricing import black
 
 from .omBase import (OmOption, OmUnderlying, OmChain, OmPortfolio,
                      EVENT_OM_LOG)
 
 
+
+# 定价模型字典
+MODEL_DICT = {}
+MODEL_DICT['black'] = black
+
+
+
 ########################################################################
 class OmEngine(object):
     """期权主引擎"""
@@ -28,7 +38,7 @@ class OmEngine(object):
         self.eventEngine = eventEngine
         
         self.portfolio = None
-        self.contractDict = {}      # symbol:contract
+        self.optionContractDict = {}      # symbol:contract
         
         self.registerEvent()
     
@@ -53,18 +63,22 @@ class OmEngine(object):
     def processContractEvent(self, event):
         """合约事件"""
         contract = event.dict_['data']
-        if contract.symbol:
-            self.contractDict[contract.symbol] = contract
+        if contract.symbol and contract.productClass == PRODUCT_OPTION:
+            self.optionContractDict[contract.symbol] = contract
     
     #----------------------------------------------------------------------
     def subscribeEvent(self, symbol):
         """订阅对应合约的事件"""
-        contract = self.contractDict[symbol]
+        contract = self.mainEngine.getContract(symbol)
+        if not contract:
+            self.writeLog(u'行情订阅失败，找不到合约：%s' %symbol)
+            return
+            
         vtSymbol = contract.vtSymbol
         
         # 订阅行情
         req = VtSubscribeReq()
-        req.symbol = symbol
+        req.symbol = contract.symbol
         req.exchange = contract.exchange
         self.mainEngine.subscribe(req, contract.gatewayName)
         
@@ -80,67 +94,81 @@ class OmEngine(object):
         
         f = file(fileName)
         setting = json.load(f)
+        
+        # 读取定价模型
+        model = MODEL_DICT.get(setting['model'], None)
+        if not model:
+            self.writeLog(u'找不到定价模型%s' %setting['model'])
+            return
             
-        # 创建期货和股票标的对象
-        equityDict = OrderedDict([(symbol, OmEquity(symbol)) for symbol in setting['equity']])
-        futuresDict = OrderedDict([(symbol, OmFutures(symbol)) for symbol in setting['futures']])
+        # 创建标的对象
+        underlyingDict = OrderedDict()
+        
+        for underlyingSymbol in setting['underlying']:
+            contract = self.mainEngine.getContract(underlyingSymbol)
+            if not contract:
+                self.writeLog(u'找不到标的物合约%s' %underlyingSymbol)
+                continue
+            
+            detail = self.mainEngine.getPositionDetail(contract.vtSymbol)
+            
+            underlying = OmUnderlying(contract, detail)
+            underlyingDict[underlyingSymbol] = underlying
         
         # 创建期权链对象并初始化
-        chainDict = OrderedDict()
+        chainList = []
         
         for d in setting['chain']:
-            interestRate = d['interestRate']
+            chainSymbol = d['chainSymbol']
+            r = d['r']
             
-            # 锁定标的对象，若无则创建
-            if d['underlyingType'] == 'futures':
-                if d['underlyingSymbol'] not in futuresDict:
-                    underlying = OmFutures(d['underlyingSymbol'])
-                    futuresDict[underlying.symbol] = underlying
-                else:
-                    underlying = futuresDict[d['underlyingSymbol']]
-            elif d['underlyingType'] == 'equity':
-                if d['underlyingSymbol'] not in equityDict:
-                    underlying = OmEquity(d['underlyingSymbol'])
-                    equityDict[underlying.symbol] = underlying
-                else:
-                    underlying = equityDict[d['underlyingSymbol']]                    
+            # 锁定标的对象
+            underlying = underlyingDict.get(d['underlyingSymbol'], None)
+            if not underlying:
+                self.writeLog(u'%s期权链的标的合约%s尚未创建，请检查配置文件' %(chainSymbol, underlyingSymbol))
+                continue
             
             # 创建期权对象并初始化
-            callList = []
-            putList = []
+            callDict = {}
+            putDict = {}
             
-            for symbol, contract in self.contractDict.items():
-                if contract.optionType and contract.underlyingSymbol == d['chainSymbol']:
-                    option = OmOption(symbol)
-                    option.init(contract, underlying, interestRate)
-                    self.subscribeEvent(option.symbol)              # 订阅事件
+            for symbol, contract in self.optionContractDict.items():
+                if contract.underlyingSymbol == d['chainSymbol']:
+                    detail = self.mainEngine.getPositionDetail(contract.vtSymbol)
+                    option = OmOption(contract, detail, underlying, model, r)
                     
                     if contract.optionType is OPTION_CALL:
-                        callList.append(option)
+                        callDict[option.k] = option
                     else:
-                        putList.append(option)
+                        putDict[option.k] = option
+                        
+            # 期权排序
+            strikeList = callDict.keys()
+            strikeList.sort()
+            callList = [callDict[k] for k in strikeList]
+            putList = [putDict[k] for k in strikeList]
+            
+            # 创建期权链
+            chain = OmChain(chainSymbol, callList, putList)
+            chainList.append(chain)
+            
+            # 添加标的映射关系
+            underlying.addChain(chain)
 
-            chain = OmChain(d['chainSymbol'])
-            chain.init(underlying, callList, putList)
-            chainDict[chain.symbol] = chain
-        
-        # 初始化标的对象
-        for underlying in (equityDict.values() + futuresDict.values()):
-            l = []
-            for chain in chainDict.values():
-                if chain.underlying is underlying:
-                    l.append(chain)
-            contract = self.contractDict[underlying.symbol]
-            underlying.init(contract, l)
-            self.subscribeEvent(underlying.symbol)                  # 订阅事件
-        
         # 创建持仓组合对象并初始化
-        self.portfolio = OmPortfolio(setting['name'])
-        self.portfolio.init(futuresDict, equityDict, chainDict)
+        self.portfolio = OmPortfolio(setting['name'], underlyingDict.values(), chainList)
         
         # 载入波动率配置
         self.loadImpvSetting()
         
+        # 订阅行情和事件
+        for underlying in underlyingDict.values():
+            self.subscribeEvent(underlying.vtSymbol)
+            
+        for chain in chainList:
+            for option in chain.optionDict.values():
+                self.subscribeEvent(option.vtSymbol)
+        
         # 载入成功返回
         return True
         
diff --git a/vnpy/trader/app/optionMaster/uiOmWidget.py b/vnpy/trader/app/optionMaster/uiOmWidget.py
new file mode 100644
index 00000000..5a12721a
--- /dev/null
+++ b/vnpy/trader/app/optionMaster/uiOmWidget.py
@@ -0,0 +1,123 @@
+# encoding: UTF-8
+
+from __future__ import division
+
+import os
+from datetime import datetime
+
+from vnpy.event import Event
+from vnpy.trader.uiQt import QtWidgets, QtCore
+
+from .omBase import EVENT_OM_LOG
+
+
+########################################################################
+class OmManager(QtWidgets.QWidget):
+    """管理组件"""
+    signal = QtCore.pyqtSignal(type(Event()))
+
+    #----------------------------------------------------------------------
+    def __init__(self, omEngine, eventEngine, parent=None):
+        """Constructor"""
+        super(OmManager, self).__init__(parent)
+        
+        self.omEngine = omEngine
+        self.eventEngine = eventEngine
+        
+        self.widgetDict = {}
+        
+        self.initUi()
+        self.registerEvent()
+        
+    #----------------------------------------------------------------------
+    def initUi(self):
+        """初始化界面"""
+        self.setWindowTitle(u'OptionMaster管理')
+        
+        # 读取配置文件
+        settingFileList = []
+        
+        path = os.path.abspath(os.path.dirname(__file__))
+        for root, subdirs, files in os.walk(path):
+            for name in files:      
+                if '_portfolio.json' in name:
+                    settingFileList.append(name)
+        
+        # 设置界面
+        self.comboSettingFile = QtWidgets.QComboBox()
+        self.comboSettingFile.addItems(settingFileList)
+        self.comboSettingFile.setCurrentIndex(0)
+        
+        self.buttonInit = QtWidgets.QPushButton(u'初始化')
+        self.buttonInit.clicked.connect(self.initOmEngine)
+        
+        self.logMonitor = QtWidgets.QTextEdit()
+        self.logMonitor.setReadOnly(True)
+        
+        hbox = QtWidgets.QHBoxLayout()
+        hbox.addWidget(self.comboSettingFile)
+        hbox.addWidget(self.buttonInit)
+        hbox.addStretch()
+        
+        hbox2 = QtWidgets.QHBoxLayout()
+        hbox2.addStretch()
+        
+        vbox = QtWidgets.QVBoxLayout()
+        vbox.addLayout(hbox)
+        vbox.addLayout(hbox2)
+        vbox.addWidget(self.logMonitor)
+        
+        self.setLayout(vbox)
+        
+    #----------------------------------------------------------------------
+    def initOmEngine(self):
+        """初始化引擎"""
+        path = os.path.abspath(os.path.dirname(__file__))
+        fileName = unicode(self.comboSettingFile.currentText())
+        fileName = os.path.join(path, fileName)
+        result = self.omEngine.initEngine(fileName)
+        
+        if result:
+            self.writeLog(u'引擎初始化成功')
+        else:
+            self.writeLog(u'请勿重复初始化引擎')
+        
+    #----------------------------------------------------------------------
+    def writeLog(self, content, time=''):
+        """记录日志"""
+        if not time:
+            time = datetime.now().strftime('%H:%M:%S')
+        content = time + '\t' + content
+        self.logMonitor.append(content)
+    
+    #----------------------------------------------------------------------
+    def processLogEvent(self, event):
+        """处理日志事件"""
+        log = event.dict_['data']
+        self.writeLog(log.logContent, log.logTime)
+        self.raise_()
+    
+    #----------------------------------------------------------------------
+    def openManualTrader(self):
+        """打开手动交易"""
+        try:
+            self.widgetDict['manualTrader'].showMaximized()
+        except KeyError:
+            self.widgetDict['manualTrader'] = ManualTrader(self.omEngine)
+            self.widgetDict['manualTrader'].showMaximized()
+
+    #----------------------------------------------------------------------
+    def close(self):
+        """关闭"""
+        for widget in self.widgetDict.values():
+            widget.close()
+            
+        super(OmManagerWidget, self).close()
+        
+    #----------------------------------------------------------------------
+    def registerEvent(self):
+        """注册事件监听"""
+        self.signal.connect(self.processLogEvent)
+        
+        self.eventEngine.register(EVENT_OM_LOG, self.signal.emit)
+        
\ No newline at end of file
diff --git a/vnpy/trader/gateway/secGateway/secGateway.py b/vnpy/trader/gateway/secGateway/secGateway.py
index deae0611..86aa7e33 100644
--- a/vnpy/trader/gateway/secGateway/secGateway.py
+++ b/vnpy/trader/gateway/secGateway/secGateway.py
@@ -50,8 +50,11 @@ exchangeMapReverse = {v:k for k,v in exchangeMap.items()}
 #----------------------------------------------------------------------
 def print_dict(d):
     """"""
-    for k, v in d.items():
-        print '%s:%s' %(k, v)
+    print '-' * 30
+    l = d.keys()
+    l.sort()
+    for k in l:
+        print '%s:%s' %(k, d[k])
     
 
 ########################################################################
@@ -893,7 +896,7 @@ class SecTdApi(TdApi):
 
     #----------------------------------------------------------------------
     def onRspStockQryStockStaticInfo(self, data, error, flag):
-        """股票合约查询回报"""        
+        """股票合约查询回报"""      
         if not data:
             return
         
@@ -1226,8 +1229,8 @@ class SecTdApi(TdApi):
         
         contract.strikePrice = data['execPrice']
         
-        contract.underlyingSymbol = data['securityID']
-        contract.expiryDate = data['endTradingDay']
+        contract.underlyingSymbol = '-'.join([data['securityID'], str(data['endTradingDay'])[2:-2]])
+        contract.expiryDate = str(data['endTradingDay'])
         
         # 合约类型
         contract.productClass = PRODUCT_OPTION
diff --git a/vnpy/trader/vtEngine.py b/vnpy/trader/vtEngine.py
index f0122ace..d6844375 100644
--- a/vnpy/trader/vtEngine.py
+++ b/vnpy/trader/vtEngine.py
@@ -277,6 +277,11 @@ class MainEngine(object):
         """查询委托"""
         return self.dataEngine.getOrder(vtOrderID)
     
+    #----------------------------------------------------------------------
+    def getPositionDetail(self, vtSymbol):
+        """查询持仓细节"""
+        return self.dataEngine.getPositionDetail(vtSymbol)
+    
     #----------------------------------------------------------------------
     def getAllWorkingOrders(self):
         """查询所有的活跃的委托（返回列表）"""