Exemplo n.º 1
0
        /// <summary>
        /// Get the maximum market order quantity to obtain a delta in the buying power used by a security.
        /// The deltas sign defines the position side to apply it to, positive long, negative short.
        /// </summary>
        /// <param name="parameters">An object containing the portfolio, the security and the delta buying power</param>
        /// <returns>Returns the maximum allowed market order quantity and if zero, also the reason</returns>
        /// <remarks>Used by the margin call model to reduce the position by a delta percent.</remarks>
        public virtual GetMaximumOrderQuantityResult GetMaximumOrderQuantityForDeltaBuyingPower(
            GetMaximumOrderQuantityForDeltaBuyingPowerParameters parameters)
        {
            var usedBuyingPower = parameters.Security.BuyingPowerModel.GetReservedBuyingPowerForPosition(
                new ReservedBuyingPowerForPositionParameters(parameters.Security)).AbsoluteUsedBuyingPower;

            var signedUsedBuyingPower = usedBuyingPower * (parameters.Security.Holdings.IsLong ? 1 : -1);

            var targetBuyingPower = signedUsedBuyingPower + parameters.DeltaBuyingPower;

            var target = 0m;

            if (parameters.Portfolio.TotalPortfolioValue != 0)
            {
                target = targetBuyingPower / parameters.Portfolio.TotalPortfolioValue;
            }

            return(GetMaximumOrderQuantityForTargetBuyingPower(
                       new GetMaximumOrderQuantityForTargetBuyingPowerParameters(parameters.Portfolio,
                                                                                 parameters.Security,
                                                                                 target,
                                                                                 parameters.SilenceNonErrorReasons)));
        }
Exemplo n.º 2
0
 /// <summary>
 /// Get the maximum market order quantity to obtain a delta in the buying power used by a security.
 /// The deltas sign defines the position side to apply it to, positive long, negative short.
 /// </summary>
 /// <param name="parameters">An object containing the portfolio, the security and the delta buying power</param>
 /// <returns>Returns the maximum allowed market order quantity and if zero, also the reason</returns>
 /// <remarks>Used by the margin call model to reduce the position by a delta percent.</remarks>
 public override GetMaximumOrderQuantityResult GetMaximumOrderQuantityForDeltaBuyingPower(
     GetMaximumOrderQuantityForDeltaBuyingPowerParameters parameters)
 {
     throw new NotImplementedException(
               $"The {nameof(CashBuyingPowerModel)} does not require '{nameof(GetMaximumOrderQuantityForDeltaBuyingPower)}'.");
 }