/**
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* 指标计算工具类
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* 封装MACD策略中常用的通用功能，如高低点查找等
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*/
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package com.xcong.excoin.modules.okxNewPrice.indicator.macdAndMatrategy;
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import java.math.BigDecimal;
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import java.util.List;
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/**
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* 指标计算工具类，提供MACD策略中常用的通用功能
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*/
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public class IndicatorUtils {
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/**
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* 找到最近的价格高点索引
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*
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* @param prices 价格列表
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* @param startIdx 起始索引
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* @return 最近的价格高点索引
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*/
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public static int findRecentHighIndex(List<BigDecimal> prices, int startIdx) {
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if (prices == null || startIdx < 0 || startIdx >= prices.size()) {
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return -1;
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}
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int highIdx = startIdx;
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BigDecimal highPrice = prices.get(startIdx);
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for (int i = startIdx + 1; i < prices.size(); i++) {
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BigDecimal currentPrice = prices.get(i);
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if (currentPrice.compareTo(highPrice) > 0) {
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highPrice = currentPrice;
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highIdx = i;
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}
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}
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return highIdx;
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}
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/**
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* 找到最近的价格低点索引
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*
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* @param prices 价格列表
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* @param startIdx 起始索引
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* @return 最近的价格低点索引
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*/
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public static int findRecentLowIndex(List<BigDecimal> prices, int startIdx) {
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if (prices == null || startIdx < 0 || startIdx >= prices.size()) {
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return -1;
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}
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int lowIdx = startIdx;
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BigDecimal lowPrice = prices.get(startIdx);
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for (int i = startIdx + 1; i < prices.size(); i++) {
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BigDecimal currentPrice = prices.get(i);
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if (currentPrice.compareTo(lowPrice) < 0) {
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lowPrice = currentPrice;
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lowIdx = i;
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}
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}
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return lowIdx;
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}
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/**
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* 找到最近价格高点之前的价格高点索引
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*
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* @param prices 价格列表
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* @param startIdx 起始索引
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* @param recentHighIdx 最近的价格高点索引
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* @return 之前的价格高点索引
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*/
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public static int findPreviousHighIndex(List<BigDecimal> prices, int startIdx, int recentHighIdx) {
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if (prices == null || startIdx < 0 || recentHighIdx <= startIdx || recentHighIdx >= prices.size()) {
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return -1;
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}
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int highIdx = startIdx;
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BigDecimal highPrice = prices.get(startIdx);
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for (int i = startIdx + 1; i < recentHighIdx; i++) {
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BigDecimal currentPrice = prices.get(i);
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if (currentPrice.compareTo(highPrice) > 0) {
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highPrice = currentPrice;
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highIdx = i;
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}
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}
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return highIdx;
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}
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/**
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* 找到最近价格低点之前的价格低点索引
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*
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* @param prices 价格列表
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* @param startIdx 起始索引
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* @param recentLowIdx 最近的价格低点索引
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* @return 之前的价格低点索引
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*/
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public static int findPreviousLowIndex(List<BigDecimal> prices, int startIdx, int recentLowIdx) {
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if (prices == null || startIdx < 0 || recentLowIdx <= startIdx || recentLowIdx >= prices.size()) {
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return -1;
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}
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int lowIdx = startIdx;
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BigDecimal lowPrice = prices.get(startIdx);
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for (int i = startIdx + 1; i < recentLowIdx; i++) {
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BigDecimal currentPrice = prices.get(i);
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if (currentPrice.compareTo(lowPrice) < 0) {
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lowPrice = currentPrice;
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lowIdx = i;
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}
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}
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return lowIdx;
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}
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/**
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* 寻找最近的价格高点（带有回调确认）
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*
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* @param prices 价格列表
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* @param startIndex 起始索引
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* @param endIndex 结束索引
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* @return 符合条件的价格高点索引，未找到则返回-1
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*/
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public static int findRecentHighWithRetrace(List<BigDecimal> prices, int startIndex, int endIndex) {
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if (prices == null || startIndex < 0 || endIndex >= prices.size() || startIndex >= endIndex) {
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return -1;
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}
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int highIndex = -1;
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BigDecimal highPrice = BigDecimal.ZERO;
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// 从右向左搜索，找到第一个有效高点
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for (int i = endIndex; i >= startIndex; i--) {
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if (prices.get(i).compareTo(highPrice) > 0) {
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highPrice = prices.get(i);
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highIndex = i;
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}
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// 检查高点后是否有回调
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if (highIndex != -1 && i < endIndex) {
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if (prices.get(i + 1).compareTo(highPrice) < 0) {
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return highIndex; // 找到确认回调的高点
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}
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}
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}
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return highIndex;
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}
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}
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