Несколько инструментов в стратегии

        public Security security_2;

        public IndStrategy(Security security_2)
        {
            this.security_2 = security_2;
        }

                security_2 = (Security)SelectedSecurity_2;

                _strategy = new IndStrategy(security_2)
                {
                    Security = security,
                    security_2 = security_2,
                };

            var order = new Order
            {
                Type = OrderTypes.Market,
                Volume = 1,
                Portfolio = base.Portfolio,
                Security = base.Security,
                Direction = OrderDirections.Sell,
            };

            var order1 = new Order
            {
                Type = OrderTypes.Market,
                Volume = 1,
                Portfolio = base.Portfolio,
                Security = security_2,
                Direction = OrderDirections.Buy,
            };


            Trader.RegisterOrder(order);
            Trader.RegisterOrder(order1);