#region 公式算法/// <summary>/// 可用资金公式 [权益-保证金]/// </summary>/// <param name="balance">权益</param>/// <param name="currmargin">保证金</param>/// <returns></returns>private decimal AvailableExpression(decimal balance, decimal currmargin) {return balance - currmargin;}/// <summary>/// 权益公式 [昨权益+入金-出金+平仓盈亏+持仓盈亏-手续费-交割手续费]/// </summary>/// <param name="prebalance">昨权益</param>/// <param name="deposit">入金</param>/// <param name="withdraw">出金</param>/// <param name="closeprofit">平仓盈亏</param>/// <param name="positionprofit">持仓盈亏</param>/// <param name="commission">手续费</param>/// <param name="deliverycommission">交割手续费</param>/// <returns></returns>private decimal BalanceExpression(decimal prebalance, decimal deposit, decimal withdraw, decimal closeprofit, decimal positionprofit, decimal commission, decimal deliverycommission) {return prebalance + deposit - withdraw + closeprofit + positionprofit - commission - deliverycommission;}/// <summary>/// 手续费公式 [(手数*按手数手续费率)+(手数*成交价*合约乘数*按金额手续费率)]/// </summary>/// <param name="volume">手数</param>/// <param name="tradeprice">成交价</param>/// <param name="volumemultiple">合约乘数</param>/// <param name="ratiobyvolume">按手数手续费率</param>/// <param name="ratiobymoney">按金额手续费率</param>/// <returns></returns>private decimal CommissionExpression(int volume, decimal tradeprice, int volumemultiple, decimal ratiobyvolume, decimal ratiobymoney) {return (volume * ratiobyvolume) + (volume * tradeprice * volumemultiple * ratiobymoney);}/// <summary>/// 平仓盈亏公式 [(成交价-开仓价或昨结算价)*手数*合约乘数]/// </summary>/// <param name="direction">买卖方向</param>/// <param name="tradeprice">成交价</param>/// <param name="tradeprice2">开仓价或昨结算价</param>/// <param name="volume">手数</param>/// <param name="volumemultiple">合约乘数</param>/// <returns></returns>private decimal CloseProfitExpresson(string direction, decimal tradeprice, decimal tradeprice2, int volume, int volumemultiple) {if (direction == dataManager.TradeConst.Direction.Sell) {return (tradeprice - tradeprice2) * volume * volumemultiple;}else {return (tradeprice2 - tradeprice) * volume * volumemultiple;}}/// <summary>/// 保证金公式 [(手数*按手数保证金率)+(手数*结算价*合约乘数*按金额保证金率)]/// </summary>/// <param name="volume">手数</param>/// <param name="settlementprice">结算价</param>/// <param name="volumemultiple">合约乘数</param>/// <param name="ratiobyvolume">按手数保证金率</param>/// <param name="ratiobymoney">按金额保证金率</param>/// <returns></returns>private decimal MarginExpresson(int volume, decimal settlementprice, int volumemultiple, decimal ratiobyvolume, decimal ratiobymoney) {return (volume * ratiobyvolume) + (volume * settlementprice * volumemultiple * ratiobymoney);}/// <summary>/// 交易所保证金公式 [(手数*结算价*合约乘数*按金额保证金率)]/// </summary>/// <param name="volume">手数</param>/// <param name="settlementprice">结算价</param>/// <param name="volumemultiple">合约乘数</param>/// <param name="ratiobymoney">按金额保证金率</param>/// <returns></returns>private decimal ExchangeMarginExpresson(int volume, decimal settlementprice, int volumemultiple, decimal ratiobymoney) {return (volume * settlementprice * volumemultiple * ratiobymoney);}/// <summary>/// 持仓盈亏公式 [((结算价-开仓价)或(开仓价-结算价))*手数*合约乘数]/// </summary>/// <param name="direction">方向</param>/// <param name="openpriceOrlastsettlementprice">开仓价或昨结算价</param>/// <param name="settlementprice">结算价</param>/// <param name="volume">手数</param>/// <param name="volumemultiple">合约乘数</param>/// <returns></returns>private decimal PositionProfitExpresson(string direction, decimal openpriceOrlastsettlementprice, decimal settlementprice, int volume, int volumemultiple) {if (direction == dataManager.TradeConst.Direction.Buy) {return (settlementprice - openpriceOrlastsettlementprice) * volume * volumemultiple;}else {return (openpriceOrlastsettlementprice - settlementprice) * volume * volumemultiple;}}#endregion