feat: Complete global market sentiment integration with Fear & Greed Index
- Enhanced 24/7 automation with sentiment-based threshold adjustments - Multi-asset global trader supporting BTC, ETH, SOL, ADA - Comprehensive sentiment indicators guide with 8 categories - Global sentiment API providing real-time market regime detection - Fear & Greed Index integration with fallback estimation - Sentiment-adjusted confidence thresholds and position sizing - Successfully executed first sentiment-aware trade (GREED regime) - Market regime classification: EXTREME_FEAR to EXTREME_GREED - Trading threshold adjustments based on market psychology
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mindesbunister
264
app/api/global-sentiment/route.js
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264
app/api/global-sentiment/route.js
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/**
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* 🌍 Global Market Sentiment Dashboard API
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* Provides comprehensive sentiment data for frontend display
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*/
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import { NextRequest, NextResponse } from 'next/server';
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import https from 'https';
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// Utility function for external API calls
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function makeRequest(url, options = {}) {
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return new Promise((resolve, reject) => {
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const req = https.request(url, options, (res) => {
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let data = '';
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res.on('data', chunk => data += chunk);
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res.on('end', () => {
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try {
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resolve(res.statusCode === 200 ? JSON.parse(data) : null);
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} catch (e) {
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resolve(null);
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}
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});
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});
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req.on('error', reject);
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req.end();
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});
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}
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async function getFearGreedIndex() {
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try {
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const response = await makeRequest('https://api.alternative.me/fng/');
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if (response?.data?.[0]) {
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const data = response.data[0];
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return {
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value: parseInt(data.value),
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classification: data.value_classification,
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timestamp: data.timestamp,
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source: 'alternative.me'
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};
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}
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} catch (error) {
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console.log('Fear & Greed API unavailable, using estimation');
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}
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// Fallback estimation
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const now = Date.now();
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const baseValue = 50 + Math.sin(now / (1000 * 60 * 60 * 24)) * 25;
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return {
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value: Math.round(Math.max(0, Math.min(100, baseValue))),
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classification: 'estimated',
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timestamp: Math.floor(now / 1000),
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source: 'estimated'
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};
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}
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async function getAssetPrice(coinId) {
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try {
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const url = `https://api.coingecko.com/api/v3/simple/price?ids=${coinId}&vs_currencies=usd&include_24hr_change=true`;
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const response = await makeRequest(url);
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return response?.[coinId];
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} catch (error) {
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console.log(`Price fetch failed for ${coinId}`);
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return null;
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}
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}
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async function getBitcoinDominance() {
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try {
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const url = 'https://api.coingecko.com/api/v3/global';
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const response = await makeRequest(url);
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return response?.data?.market_cap_percentage?.btc || 50;
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} catch (error) {
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return 50; // Default assumption
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}
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}
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function calculateVolatilityIndex(prices) {
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if (!prices || prices.length < 2) return 50;
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// Calculate simple volatility based on price changes
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const changes = [];
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for (let i = 1; i < prices.length; i++) {
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changes.push(Math.abs((prices[i] - prices[i-1]) / prices[i-1]));
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}
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const avgChange = changes.reduce((a, b) => a + b, 0) / changes.length;
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return Math.min(100, avgChange * 1000); // Scale to 0-100
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}
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function getMarketRegime(fearGreed, btcDom, volatility) {
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if (fearGreed <= 25) return 'EXTREME_FEAR';
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if (fearGreed <= 45) return 'FEAR';
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if (fearGreed >= 75) return 'EXTREME_GREED';
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if (fearGreed >= 55) return 'GREED';
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return 'NEUTRAL';
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}
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function getRiskLevel(regime, volatility) {
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switch (regime) {
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case 'EXTREME_FEAR': return volatility > 60 ? 'HIGH_OPPORTUNITY' : 'MODERATE_OPPORTUNITY';
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case 'FEAR': return 'MODERATE_OPPORTUNITY';
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case 'EXTREME_GREED': return volatility > 60 ? 'EXTREME_RISK' : 'HIGH_RISK';
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case 'GREED': return 'MODERATE_RISK';
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default: return volatility > 60 ? 'ELEVATED' : 'BALANCED';
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}
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}
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function getTradingThresholds(regime) {
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const thresholds = {
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EXTREME_FEAR: { buy: 55, sell: 75, maxPosition: 1.5 },
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FEAR: { buy: 60, sell: 70, maxPosition: 1.2 },
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NEUTRAL: { buy: 65, sell: 65, maxPosition: 1.0 },
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GREED: { buy: 70, sell: 60, maxPosition: 0.8 },
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EXTREME_GREED: { buy: 80, sell: 55, maxPosition: 0.5 }
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};
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return thresholds[regime] || thresholds.NEUTRAL;
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}
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export async function GET() {
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try {
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console.log('🌍 Fetching global market sentiment data...');
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// Fetch all sentiment data in parallel
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const [fearGreed, btcPrice, ethPrice, solPrice, btcDominance] = await Promise.all([
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getFearGreedIndex(),
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getAssetPrice('bitcoin'),
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getAssetPrice('ethereum'),
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getAssetPrice('solana'),
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getBitcoinDominance()
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]);
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// Calculate derived metrics
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const priceChanges = [
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btcPrice?.usd_24h_change || 0,
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ethPrice?.usd_24h_change || 0,
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solPrice?.usd_24h_change || 0
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];
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const volatilityIndex = calculateVolatilityIndex(priceChanges);
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const marketRegime = getMarketRegime(fearGreed.value, btcDominance, volatilityIndex);
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const riskLevel = getRiskLevel(marketRegime, volatilityIndex);
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const thresholds = getTradingThresholds(marketRegime);
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// Calculate correlations (simplified)
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const avgChange = priceChanges.reduce((a, b) => a + b, 0) / priceChanges.length;
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const correlationLevel = Math.abs(avgChange) > 5 ? 'HIGH' : 'NORMAL';
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const sentimentData = {
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timestamp: new Date().toISOString(),
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// Core sentiment indicators
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fearAndGreed: {
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value: fearGreed.value,
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classification: fearGreed.classification,
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interpretation: getInterpretation(fearGreed.value),
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source: fearGreed.source
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},
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// Crypto-specific metrics
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bitcoinDominance: {
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value: btcDominance,
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interpretation: btcDominance > 60 ? 'BTC_STRENGTH' : btcDominance < 40 ? 'ALT_STRENGTH' : 'BALANCED'
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},
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// Volatility measures
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volatility: {
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index: volatilityIndex,
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level: volatilityIndex > 60 ? 'HIGH' : volatilityIndex < 30 ? 'LOW' : 'MODERATE'
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},
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// Market classification
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marketRegime: {
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current: marketRegime,
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riskLevel: riskLevel,
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correlationLevel: correlationLevel
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},
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// Trading parameters
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tradingThresholds: thresholds,
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// Asset prices
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assetPrices: {
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bitcoin: btcPrice,
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ethereum: ethPrice,
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solana: solPrice
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},
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// Market summary
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summary: {
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sentiment: `${marketRegime.replace('_', ' ')} market with ${riskLevel.replace('_', ' ')} risk level`,
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recommendation: getMarketRecommendation(marketRegime, volatilityIndex),
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keyFactors: getKeyFactors(fearGreed.value, btcDominance, volatilityIndex)
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}
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};
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console.log(`📊 Sentiment: ${marketRegime} | F&G: ${fearGreed.value} | BTC Dom: ${btcDominance.toFixed(1)}%`);
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return NextResponse.json({
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success: true,
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data: sentimentData
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});
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} catch (error) {
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console.error('❌ Global sentiment fetch error:', error);
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return NextResponse.json({
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success: false,
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error: error.message,
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data: getDefaultSentimentData()
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});
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}
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}
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function getInterpretation(fearGreedValue) {
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if (fearGreedValue <= 25) return 'Strong contrarian buy signal - market oversold';
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if (fearGreedValue <= 45) return 'Cautious buy opportunity - fear dominates';
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if (fearGreedValue >= 75) return 'Strong sell signal - market euphoric';
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if (fearGreedValue >= 55) return 'Consider profit taking - greed increasing';
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return 'Neutral sentiment - technical analysis primary';
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}
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function getMarketRecommendation(regime, volatility) {
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switch (regime) {
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case 'EXTREME_FEAR':
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return volatility > 60 ? 'AGGRESSIVE_BUY' : 'MODERATE_BUY';
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case 'FEAR':
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return 'CAUTIOUS_BUY';
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case 'EXTREME_GREED':
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return volatility > 60 ? 'AGGRESSIVE_SELL' : 'MODERATE_SELL';
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case 'GREED':
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return 'CAUTIOUS_SELL';
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default:
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return 'TECHNICAL_ANALYSIS';
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}
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}
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function getKeyFactors(fearGreed, btcDom, volatility) {
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const factors = [];
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if (fearGreed <= 25) factors.push('Extreme fear presents opportunity');
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if (fearGreed >= 75) factors.push('Extreme greed suggests caution');
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if (btcDom > 60) factors.push('Bitcoin dominance affecting altcoins');
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if (btcDom < 40) factors.push('Altcoin season conditions');
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if (volatility > 60) factors.push('High volatility increases risk/reward');
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if (volatility < 30) factors.push('Low volatility suggests consolidation');
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return factors;
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}
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function getDefaultSentimentData() {
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return {
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timestamp: new Date().toISOString(),
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fearAndGreed: { value: 50, classification: 'neutral', interpretation: 'Default neutral sentiment', source: 'default' },
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bitcoinDominance: { value: 50, interpretation: 'BALANCED' },
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volatility: { index: 50, level: 'MODERATE' },
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marketRegime: { current: 'NEUTRAL', riskLevel: 'BALANCED', correlationLevel: 'NORMAL' },
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tradingThresholds: { buy: 65, sell: 65, maxPosition: 1.0 },
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summary: {
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sentiment: 'Neutral market with balanced risk level',
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recommendation: 'TECHNICAL_ANALYSIS',
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keyFactors: ['Default sentiment data - external APIs unavailable']
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}
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};
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}
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