goldenChat base source add

2026-05-23 15:11:48 +09:00
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+/*
+ * SPDX-License-Identifier: MIT
+ */
+package ta4jexamples.analysis;
+
+import org.ta4j.core.BarSeries;
+import org.ta4j.core.Strategy;
+import org.ta4j.core.TradingRecord;
+import org.ta4j.core.analysis.CashFlow;
+import org.ta4j.core.backtest.BarSeriesManager;
+import org.ta4j.core.indicators.helpers.ClosePriceIndicator;
+
+import ta4jexamples.charting.workflow.ChartWorkflow;
+import ta4jexamples.datasources.BitStampCsvTradesFileBarSeriesDataSource;
+import ta4jexamples.strategies.MovingMomentumStrategy;
+
+/**
+ * This class builds a graphical chart showing the cash flow of a strategy.
+ *
+ * <p>
+ * This example demonstrates the use of the dual-axis chart functionality in
+ * {@link ChartWorkflow} to display both the close price and cash flow of a
+ * trading strategy on the same chart with separate Y-axes.
+ * </p>
+ */
+public class CashFlowToChart {
+
+    public static void main(String[] args) {
+        // Getting the bar series
+        BarSeries series = BitStampCsvTradesFileBarSeriesDataSource.loadBitstampSeries();
+
+        // Building the trading strategy
+        Strategy strategy = MovingMomentumStrategy.buildStrategy(series);
+
+        // Running the strategy
+        BarSeriesManager seriesManager = new BarSeriesManager(series);
+        TradingRecord tradingRecord = seriesManager.run(strategy);
+
+        // Getting the cash flow of the resulting positions
+        CashFlow cashFlow = new CashFlow(series, tradingRecord);
+
+        // Creating indicators for the dual-axis chart
+        ClosePriceIndicator closePrice = new ClosePriceIndicator(series);
+
+        // Building and displaying the dual-axis chart using ChartWorkflow
+        ChartWorkflow chartWorkflow = new ChartWorkflow();
+        chartWorkflow.displayDualAxisChart(series, closePrice, "Price (USD)", cashFlow, "Cash Flow Ratio",
+                "Bitstamp BTC", "Ta4j example - Cash flow to chart");
+    }
+}