hts with only two SMAs

static/hts.js

@@ -0,0 +1,60 @@
+/**
+ * HTS (High-Tech SMAs) - Combined Fast and Slow SMA Indicator
+ * This indicator displays both Fast SMA and Slow SMA on the same chart
+ */
+const HTS_INDICATOR = {
+    name: 'HTS',
+    label: 'HTS (Fast & Slow SMA)',
+    usesBaseData: false, // This indicator uses the chart's currently displayed data
+    params: [
+        { name: 'fastPeriod', type: 'number', defaultValue: 33, min: 2, label: 'Fast SMA Period' },
+        { name: 'slowPeriod', type: 'number', defaultValue: 133, min: 2, label: 'Slow SMA Period' },
+    ],
+    calculateFull: calculateFullHTS,
+};
+
+function calculateFullHTS(data, params) {
+    const fastPeriod = params.fastPeriod;
+    const slowPeriod = params.slowPeriod;
+    
+    if (!data || data.length < Math.max(fastPeriod, slowPeriod)) {
+        return {
+            fastSMA: [],
+            slowSMA: []
+        };
+    }
+    
+    // Calculate Fast SMA
+    const fastSMA = calculateSMA(data, fastPeriod);
+    
+    // Calculate Slow SMA
+    const slowSMA = calculateSMA(data, slowPeriod);
+    
+    return {
+        fastSMA: fastSMA,
+        slowSMA: slowSMA
+    };
+}
+
+function calculateSMA(data, period) {
+    if (!data || data.length < period) return [];
+    
+    let smaData = [];
+    let sum = 0;
+    
+    // Calculate initial sum for the first period
+    for (let i = 0; i < period; i++) {
+        sum += data[i].close;
+    }
+    
+    // Add the first SMA point
+    smaData.push({ time: data[period - 1].time, value: sum / period });
+    
+    // Calculate remaining SMA points using sliding window
+    for (let i = period; i < data.length; i++) {
+        sum = sum - data[i - period].close + data[i].close;
+        smaData.push({ time: data[i].time, value: sum / period });
+    }
+    
+    return smaData;
+}