예제 #1
0
        public bool VaildateBearCollar()
        {
            IsVaildated = false;

            //BearCollar 必须是三腿的
            if (Legs.Count != 3)
            {
                throw new VaildateException("BearCollar 必须是三腿的");
            }

            var OptionLegsCount = Legs.Count((leg) => leg.Asset.GetType() == typeof(Option));
            var SpotLegsCount   = Legs.Count((leg) => leg.Asset.GetType() == typeof(STK));

            if (!(OptionLegsCount == 2 && SpotLegsCount == 1))
            {
                throw new VaildateException("BearCollar 必须有两腿期权和一腿现货,那才叫BearCollar啊!");
            }

            //期权腿的集合
            var OptionLegs = new List <Position>();

            //归置出现货和期权头寸
            Legs.ForEach((leg) =>
            {
                if (leg.Asset.GetType() == typeof(Option))
                {
                    OptionLegs.Add(leg);
                }
                else
                {
                    if (leg.Quantity >= 0)
                    {
                        throw new VaildateException("BearCollar 必须有现货头寸必须是做空的");
                    }
                    else
                    {
                        PosSpot = leg;
                    }
                }
            });

            Option opt1 = (Option)OptionLegs[0].Asset;
            Option opt2 = (Option)OptionLegs[1].Asset;

            if (opt1.StrikePrice == opt2.StrikePrice)
            {
                throw new VaildateException("期权腿的执行价不能相同");
            }

            //必须是异常权与同到期日的
            if ((opt1.Right == opt2.Right) || (opt1.ExpiryDate != opt2.ExpiryDate))
            {
                throw new VaildateException("BearCollar 两腿必须异权且同到期日");
            }

            //必须是高执行价的Call做多,低执行价的Put做空
            if (opt1.StrikePrice > opt2.StrikePrice)
            {
                if ((opt1.Right == OptionRight.CALL && OptionLegs[0].Quantity > 0) &&
                    (opt2.Right == OptionRight.PUT) && OptionLegs[1].Quantity < 0)
                {
                    OptHigherK = opt1;
                    OptLowerK  = opt2;

                    PosHigherK = OptionLegs[0];
                    PosLowerK  = OptionLegs[1];
                }
                else
                {
                    throw new VaildateException("BearCollar 组成异常");
                }
            }
            else
            {
                if ((opt2.Right == OptionRight.CALL && OptionLegs[1].Quantity > 0) &&
                    (opt1.Right == OptionRight.PUT) && OptionLegs[0].Quantity < 0)
                {
                    OptHigherK = opt2;
                    OptLowerK  = opt1;

                    PosHigherK = OptionLegs[1];
                    PosLowerK  = OptionLegs[0];
                }
                else
                {
                    throw new VaildateException("BearCollar 组成异常");
                }
            }

            return(true);
        }
예제 #2
0
파일: CBSS.cs 프로젝트: xuzhe35/CFO
        public bool VaildateCBSS()
        {
            IsVaildated = false;

            //BearCollar 必须是三腿的
            if (Legs.Count != 3)
            {
                throw new VaildateException("CBSS 必须是三腿的");
            }

            var OptionLegsCount = Legs.Count((leg) => leg.Asset.GetType() == typeof(Option));
            var SpotLegsCount   = Legs.Count((leg) => leg.Asset.GetType() == typeof(STK));

            if (!(OptionLegsCount == 2 && SpotLegsCount == 1))
            {
                throw new VaildateException("CBSS 必须有两腿期权和一腿现货,那才叫BearCollar啊!");
            }

            //期权腿的集合
            var OptionLegs = new List <Position>();

            //归置出现货和期权头寸
            Legs.ForEach((leg) =>
            {
                if (leg.Asset.GetType() == typeof(Option))
                {
                    OptionLegs.Add(leg);
                }
                else
                {
                    if (leg.Quantity >= 0)
                    {
                        throw new VaildateException("CBSS 必须有现货头寸且必须是做空的");
                    }
                    else
                    {
                        PosSpot = leg;
                    }
                }
            });

            Option opt1 = (Option)OptionLegs[0].Asset;
            Option opt2 = (Option)OptionLegs[1].Asset;

            if (opt1.StrikePrice == opt2.StrikePrice)
            {
                throw new VaildateException("期权腿的执行价不能相同");
            }

            //必须是异常权与同到期日的
            if ((opt1.Right == OptionRight.PUT || opt2.Right == OptionRight.PUT) || (opt1.ExpiryDate != opt2.ExpiryDate))
            {
                throw new VaildateException("CBSS 两腿期权必须都是看涨期权且同到期日");
            }

            if (opt1.StrikePrice > opt2.StrikePrice)
            {
                OptHigherK = opt1;
                OptLowerK  = opt2;

                PosHigherK = OptionLegs[0];
                PosLowerK  = OptionLegs[1];
            }
            else
            {
                OptHigherK = opt2;
                OptLowerK  = opt1;

                PosHigherK = OptionLegs[1];
                PosLowerK  = OptionLegs[0];
            }

            //高执行价价买低执行价卖 Higher(k) Buy Lower(k) Sell
            bool HBLS = PosHigherK.Quantity > 0 && PosLowerK.Quantity < 0;

            if (!HBLS)
            {
                throw new VaildateException("Call BackSpread 必须保证更高执行价是做多,低执行价是做空的");
            }

            //高执行价看涨期权的张数必须比较低执行价的要高。
            if (!(PosHigherK.Quantity > Math.Abs(PosLowerK.Quantity)))
            {
                throw new VaildateException("Call BackSpread 必须保证更高执行价的期权张数更多");
            }

            //现货的持仓量必然是个负数,先取绝对值
            bool Safe = Math.Abs(PosSpot.Quantity) <= PosHigherK.Quantity - PosLowerK.Quantity;

            if (!Safe)
            {
                throw new VaildateException("CBSS 必须保障两边的安全");
            }

            return(false);
        }