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JAVA计算股票MACD，代码分享

Java

和软件的macD的值进行对比过，数值是一样的，不过我这个版本小数点后面更精确，软件的是四舍五入的 。这个版本支持增量更新，更加方便 。
使用需要单例模式，如果多并发请自行修改代码 。默认是12，26，9
特别注意，网站上的和软件的MACD有时候并不一致，本文的计算结果以软件为准！！！
【JAVA计算股票MACD，代码分享】废话不多说，直接开干！
import JAVA.math.BigDecimal;import java.math.RoundingMode;import java.util.HashMap;import java.util.Map;import org.springframework.stereotype.Component;@Component("macdUtils")public class MacdUtils { static int fastSet = 12; static int slowSet = 26; static int deaSet = 9; static int emaFastFast = fastSet - 1; static int emaFastSlow = 2; static int emaFastBase = fastSet + 1; static int emaSlowFast = slowSet - 1; static int emaSlowSlow = 2; static int emaSlowBase = slowSet + 1; static int deaFast = deaSet - 1; static int deaSlow = 2; static int deaBase = deaSet + 1; public void init(int fastSetNum, int slowSetNum, int deaSetNum) {fastSet = fastSetNum;slowSet = slowSetNum;deaSet = deaSetNum;emaFastFast = fastSet - 1;emaFastSlow = 2;emaFastBase = fastSet + 1;emaSlowFast = slowSet - 1;emaSlowSlow = 2;emaSlowBase = slowSet + 1;deaFast = deaSet - 1;deaSlow = 2;deaBase = deaSet + 1; } public Map<String, BigDecimal> firstMACD(BigDecimal yestodayClose, BigDecimal nowClose) {Map<String, BigDecimal> macdInfoMap = new HashMap<>();BigDecimal EMA12Fast = yestodayClose.multiply(BigDecimal.valueOf(emaFastFast)).divide(BigDecimal.valueOf(emaFastBase), 6, RoundingMode.DOWN);BigDecimal EMA12Slow = nowClose.multiply(BigDecimal.valueOf(emaFastSlow)).divide(BigDecimal.valueOf(emaFastBase), 6, RoundingMode.DOWN);BigDecimal EMA12 = EMA12Fast.add(EMA12Slow);BigDecimal EMA26Fast = yestodayClose.multiply(BigDecimal.valueOf(emaSlowFast)).divide(BigDecimal.valueOf(emaSlowBase), 6, RoundingMode.DOWN);BigDecimal EMA26Slow = nowClose.multiply(BigDecimal.valueOf(emaSlowSlow)).divide(BigDecimal.valueOf(emaSlowBase), 6, RoundingMode.DOWN);BigDecimal EMA26 = EMA26Fast.add(EMA26Slow);BigDecimal DIF = EMA12.subtract(EMA26);BigDecimal DEA = BigDecimal.ZERO.multiply(BigDecimal.valueOf(deaFast)).divide(BigDecimal.valueOf(deaBase), 6, RoundingMode.DOWN).add(DIF.multiply(BigDecimal.valueOf(2)).divide(BigDecimal.valueOf(deaBase), 6, RoundingMode.DOWN));BigDecimal MACD = DIF.subtract(DEA);macdInfoMap.put("EMA12", EMA12);macdInfoMap.put("EMA26", EMA26);macdInfoMap.put("DIF", DIF);macdInfoMap.put("DEA", DEA);macdInfoMap.put("MACD", MACD);return macdInfoMap; } public Map<String, BigDecimal> makeMACD(BigDecimal yesterdayEMA12, BigDecimal yesterdayEMA26, BigDecimal yesterdayDEA, BigDecimal nowClose) {Map<String, BigDecimal> macdInfoMap = new HashMap<>();BigDecimal EMA12Fast = yesterdayEMA12.multiply(BigDecimal.valueOf(emaFastFast)).divide(BigDecimal.valueOf(emaFastBase), 6, RoundingMode.DOWN);BigDecimal EMA12Slow = nowClose.multiply(BigDecimal.valueOf(emaFastSlow)).divide(BigDecimal.valueOf(emaFastBase), 6, RoundingMode.DOWN);BigDecimal EMA12 = EMA12Fast.add(EMA12Slow);BigDecimal EMA26Fast = yesterdayEMA26.multiply(BigDecimal.valueOf(emaSlowFast)).divide(BigDecimal.valueOf(emaSlowBase), 6, RoundingMode.DOWN);BigDecimal EMA26Slow = nowClose.multiply(BigDecimal.valueOf(emaSlowSlow)).divide(BigDecimal.valueOf(emaSlowBase), 6, RoundingMode.DOWN);BigDecimal EMA26 = EMA26Fast.add(EMA26Slow);BigDecimal DIF = EMA12.subtract(EMA26);BigDecimal DEA = yesterdayDEA.multiply(BigDecimal.valueOf(deaFast)).divide(BigDecimal.valueOf(deaBase), 6, RoundingMode.DOWN).add(DIF.multiply(BigDecimal.valueOf(2)).divide(BigDecimal.valueOf(deaBase), 6, RoundingMode.DOWN));BigDecimal MACD = DIF.subtract(DEA);macdInfoMap.put("EMA12", EMA12);macdInfoMap.put("EMA26", EMA26);macdInfoMap.put("DIF", DIF);macdInfoMap.put("DEA", DEA);macdInfoMap.put("MACD", MACD);return macdInfoMap; }}



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