| | |
| | | |
| | | public static void main(String[] args) { |
| | | // 给定参数 |
| | | double marginBalance = 100; // 保证金余额 |
| | | double marginBalance = 10; // 保证金余额 |
| | | double faceValue = 0.01; // 合约面值(固定面值不能调整) |
| | | double contractQuantity = 5; // 合约张数 张数=保证金/开仓均价*面值/杠杆 |
| | | double openingPrice = 97016.44; // 开仓均价 |
| | | double contractQuantity = 0.5; // 合约张数 张数=可用保证金*杠杆倍数/(面值*最新成交价) |
| | | double openingPrice = 97016.4; // 开仓均价 |
| | | double maintenanceMarginRate = 0.004; // 维持保证金率(固定不变) |
| | | double feeRate = 0.0005; // 手续费率 根据实际设置 |
| | | |
| | |
| | | return new BigDecimal(result).setScale(2, RoundingMode.HALF_UP).doubleValue(); |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * |
| | | * @param earnestMoney 保证金 |
| | | * @param level 杠杆 |
| | | * @param faceValue 面值 |
| | | * @param recentQuotation 最新价格 |
| | | * @return 合约张数 张数=可用保证金*杠杆倍数/(面值*最新成交价) |
| | | */ |
| | | @Override |
| | | public double countSheets(double earnestMoney, int level, double faceValue, double recentQuotation){ |
| | | double result = earnestMoney * level / (faceValue * recentQuotation); |
| | | |
| | | BigDecimal bd = new BigDecimal(result).setScale(2, RoundingMode.DOWN); |
| | | |
| | | return bd.doubleValue(); |
| | | } |
| | | |
| | | public static double a (double marginBalance, double faceValue, double contractQuantity, |
| | | double openingPrice, double maintenanceMarginRate, double feeRate){ |
| | | // 计算分子部分 |