| | |
| | | @Service |
| | | public class StrongLevelCalculationServiceImpl implements StrongLevelCalculationService { |
| | | |
| | | |
| | | public static void main(String[] args) { |
| | | // 给定参数 |
| | | 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 = 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 |
| | | |
| | | // 计算强平价 |
| | | double liquidationPrice = a(marginBalance, faceValue, contractQuantity, |
| | | openingPrice, maintenanceMarginRate, feeRate); |
| | | |
| | | // 输出结果 |
| | | System.out.println("多仓预估强平价: " + liquidationPrice); |
| | | |
| | | // 计算空仓预估强平价 |
| | | double liquidationPrice2 = b(marginBalance, faceValue, contractQuantity, |
| | | openingPrice, maintenanceMarginRate, feeRate); |
| | | |
| | | // 输出结果 |
| | | System.out.println("空仓预估强平价: " + liquidationPrice2); |
| | | } |
| | | |
| | | /** |
| | | * 多仓强平价格计算 多仓预估强平价 =(保证金余额-面值 *|张数|*开仓均价)/(面值*张数|*(维持保证金率+手续费率 -1)); |
| | | * @param marginBalance 保证金余额 |
| | |
| | | if (result < 0) { |
| | | return 0; |
| | | } |
| | | return new BigDecimal(result).setScale(2, RoundingMode.HALF_UP).doubleValue(); |
| | | return new BigDecimal(result).setScale(2, RoundingMode.DOWN).doubleValue(); |
| | | } |
| | | |
| | | |
| | |
| | | if (result < 0) { |
| | | return 0; |
| | | } |
| | | return new BigDecimal(result).setScale(2, RoundingMode.HALF_UP).doubleValue(); |
| | | return new BigDecimal(result).setScale(2, RoundingMode.DOWN).doubleValue(); |
| | | } |
| | | |
| | | |
| | |
| | | return bd.doubleValue(); |
| | | } |
| | | |
| | | public static double a (double marginBalance, double faceValue, double contractQuantity, |
| | | |
| | | public static double sss(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 void main(String[] args) { |
| | | // 给定参数 |
| | | double marginBalance = 925; // 保证金余额 |
| | | double faceValue = 0.01; // 合约面值(固定面值不能调整) |
| | | double contractQuantity = 86.52218241682178; // 合约张数 张数=可用保证金*杠杆倍数/(面值*最新成交价) |
| | | double openingPrice = 106909; // 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 |
| | | |
| | | double sss = sss(1000, 100, 0.01, 106909); |
| | | |
| | | |
| | | System.out.println(sss); |
| | | |
| | | // 计算强平价 |
| | | double liquidationPrice = demoA(marginBalance, faceValue, contractQuantity, |
| | | openingPrice, maintenanceMarginRate, feeRate); |
| | | |
| | | // 输出结果 |
| | | System.out.println("多仓预估强平价: " + liquidationPrice); |
| | | |
| | | // 计算空仓预估强平价 |
| | | double liquidationPrice2 = demoB(marginBalance, faceValue, contractQuantity, |
| | | openingPrice, maintenanceMarginRate, feeRate); |
| | | |
| | | // 输出结果 |
| | | System.out.println("空仓预估强平价: " + liquidationPrice2); |
| | | } |
| | | |
| | | public static double demoA (double marginBalance, double faceValue, double contractQuantity, |
| | | double openingPrice, double maintenanceMarginRate, double feeRate){ |
| | | // 计算分子部分 |
| | | double numerator = marginBalance - (faceValue * contractQuantity * openingPrice); |
| | |
| | | if (result < 0) { |
| | | return 0; |
| | | } |
| | | return new BigDecimal(result).setScale(2, RoundingMode.HALF_UP).doubleValue(); |
| | | return new BigDecimal(result).setScale(2, RoundingMode.DOWN).doubleValue(); |
| | | } |
| | | |
| | | |
| | |
| | | * @param feeRate 手续费率 |
| | | * @return |
| | | */ |
| | | public static double b (double marginBalance, double faceValue, double contractQuantity, |
| | | public static double demoB (double marginBalance, double faceValue, double contractQuantity, |
| | | double openingPrice, double maintenanceMarginRate, double feeRate){ |
| | | // 计算分子部分 |
| | | double numerator = marginBalance + (faceValue * contractQuantity * openingPrice); |
| | |
| | | if (result < 0) { |
| | | return 0; |
| | | } |
| | | return new BigDecimal(result).setScale(2, RoundingMode.HALF_UP).doubleValue(); |
| | | return new BigDecimal(result).setScale(2, RoundingMode.DOWN).doubleValue(); |
| | | } |
| | | |
| | | } |