commit 74e6797dcc75f863a59b8f2ffb0ea4934d5981dd Author: Kazuma Date: Tue Jun 2 00:34:42 2026 -0400 initial commit diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..b512c09 --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +node_modules \ No newline at end of file diff --git a/Market_News_Analysis.md b/Market_News_Analysis.md new file mode 100644 index 0000000..9780826 --- /dev/null +++ b/Market_News_Analysis.md @@ -0,0 +1,46 @@ +# Market News Analysis & Catalyst Screener + +## 1. High-Alpha Catalyst Analysis Prompt + +Copy and paste this into your LLM daily to filter noise into actionable data: + +> **Role:** You are a Quant-driven Financial Analyst specialized in Catalyst-Driven Trading. +> +> **Task:** Analyze today’s top 3 high-impact news stories and map them to the specific assets that are structurally forced to respond. +> +> **Instructions:** +> +> 1. **Identify the Catalyst:** Select one Macro event, one Sector-wide (regulatory/supply-chain) shift, and one Company-specific surprise. +> 2. **Correlation Logic:** For each catalyst, identify: +> - **Primary Target:** The ticker directly mentioned. +> - **Ripple-Effect Target:** A ticker in the supply chain or direct competitor (The "Alpha" play). +> 3. **Quantitative Impact Matrix:** Produce a table with: `Catalyst` | `Tickers (Primary/Ripple)` | `Bias` | `Sensitivity (1-5)` | `Mechanics`. +> 4. **Constraint:** Exclude "Market Sentiment" or generic analyst upgrades. Only include events with a measurable impact on valuation or supply chain fundamentals. +> 5. **Liquidity Filter:** Do not suggest tickers with daily volume below 500k. + +--- + +## 2. Quantitative Impact Matrix (Template) + +Use this table to log the results from the prompt above: + +| Catalyst | Tickers (Primary / Ripple) | Bias | Sensitivity (1-5) | Mechanics | +| :----------- | :------------------------- | :-------- | :---------------- | :------------------------ | +| [Event Name] | [Ticker1] / [Ticker2] | Bull/Bear | [1-5] | [Concise financial logic] | + +--- + +## 3. Implementation Workflow + +1. **Fetch:** Run the prompt above using live news sources (e.g., Bloomberg, Nasdaq, Briefing.com). +2. **Screen:** Plug the resulting tickers into your `ScreenerEngine.js`. +3. **Validate:** Use your "Verdict Justification" table to verify if the fundamentals (PEG, Margins, Debt) support the AI's suggested bias. +4. **Execute:** Monitor the "Ripple-Effect" targets, as they often capture volatility before the broader market catches on. + +--- + +## 4. June 2026 Focus Areas + +- **Macro:** Watch the ISM Manufacturing PMI (June 1) and Nonfarm Payrolls (June 5). +- **Geopolitical:** Monitor US-Iran negotiations regarding the Strait of Hormuz (impacts Oil/Energy supply chains). +- **Sectoral:** Continued AI momentum—look for infrastructure and cybersecurity earnings/guidance. diff --git a/index.js b/index.js new file mode 100644 index 0000000..8ee34cb --- /dev/null +++ b/index.js @@ -0,0 +1,32 @@ +import { ScreenerEngine } from './src/core/ScreenerEngine.js'; + +const tickers = [ + 'PLTR', + 'AAPL', + 'VOO', + 'MSFT', + 'TSLA', + 'QQQ', + 'O', + 'BND', + 'AGG', + 'LQD', + 'GOVT', + 'MUB', + 'SHY', + 'IEF', + 'TLT', +]; + +async function main() { + console.log('🚀 Starting Screener Evaluation...'); + const engine = new ScreenerEngine(); + + try { + await engine.runParallelScreener(tickers); + } catch (err) { + console.error('\n Execution Failed:', err); + } +} + +main().catch(console.error); diff --git a/package-lock.json 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b/package.json @@ -0,0 +1,11 @@ +{ + "name": "stock-screener", + "version": "1.0.0", + "type": "module", + "scripts": { + "start": "node index.js" + }, + "dependencies": { + "yahoo-finance2": "^3.15.2" + } +} diff --git a/portfolio.json b/portfolio.json new file mode 100644 index 0000000..0dc42a4 --- /dev/null +++ b/portfolio.json @@ -0,0 +1 @@ +{ "holdings": [] } diff --git a/src/api/yahooClient.js b/src/api/yahooClient.js new file mode 100644 index 0000000..d1a52e4 --- /dev/null +++ b/src/api/yahooClient.js @@ -0,0 +1,29 @@ +// src/api/YahooClient.js +import YahooFinance from 'yahoo-finance2'; + +export class YahooClient { + constructor() { + // Instantiate the client as required by v3 + this.yf = new YahooFinance(); + } + + async fetchSummary(ticker, retries = 3, backoff = 1000) { + for (let i = 0; i < retries; i++) { + try { + // Use the instance (this.yf) instead of the static import + return await this.yf.quoteSummary(ticker, { + modules: [ + 'assetProfile', + 'financialData', + 'defaultKeyStatistics', + 'price', + 'summaryDetail', + ], + }); + } catch (error) { + if (i === retries - 1) throw error; + await new Promise((res) => setTimeout(res, backoff * (i + 1))); + } + } + } +} diff --git a/src/core/Asset.js b/src/core/Asset.js new file mode 100644 index 0000000..c6348c5 --- /dev/null +++ b/src/core/Asset.js @@ -0,0 +1,31 @@ +// src/core/Asset.js +export class Asset { + constructor(data) { + this.ticker = (data.ticker || 'UNKNOWN').toUpperCase(); + this.currentPrice = data.currentPrice || 0; + this.type = data.type || 'stock'; + } + + // Helper: Format currency safely + formatCurrency(val) { + return val ? `$${val.toFixed(2)}` : 'N/A'; + } + + // Shared Logic: Generate the verdict score string + calculateVerdict(red, orange, green) { + if (red > 0) return '🔴 REJECT'; + if (orange >= 3) return '🟡 WATCHLIST'; + return '🟢 BUY'; + } + + formatLargeNumber(num) { + if (num >= 1e12) return (num / 1e12).toFixed(2) + 'T'; + if (num >= 1e9) return (num / 1e9).toFixed(2) + 'B'; + if (num >= 1e6) return (num / 1e6).toFixed(2) + 'M'; + return num.toString(); + } + + evaluate() { + throw new Error("Method 'evaluate()' must be implemented by subclass."); + } +} diff --git a/src/core/Bond.js b/src/core/Bond.js new file mode 100644 index 0000000..a45bca5 --- /dev/null +++ b/src/core/Bond.js @@ -0,0 +1,35 @@ +import { Asset } from './Asset.js'; + +export class Bond extends Asset { + constructor({ yieldToMaturity, duration, creditRating, ...rest }) { + super(rest); + this.yieldToMaturity = yieldToMaturity ?? 0; + this.duration = duration ?? 0; + this.creditRating = creditRating ?? 'N/A'; + } + + evaluate() { + let green = 0, + orange = 0, + red = 0; + + // Custom Bond Rules + if (this.yieldToMaturity > 4.5) green++; + else orange++; + if (this.duration < 5) green++; + else red++; + + const isStable = this.duration < 7; // < 7 years is generally lower interest-rate risk + + return { + Ticker: this.ticker, + Type: 'BOND', + Price: this.formatCurrency(this.currentPrice), + 'YTM%': `${this.yieldToMaturity}%`, + Duration: this.duration, + Rating: this.creditRating, + 'G/O/R': `${green}/${orange}/${red}`, + Verdict: isStable ? '🟢 Stable' : '⚠️ Rate Sensitive', + }; + } +} diff --git a/src/core/Etf.js b/src/core/Etf.js new file mode 100644 index 0000000..193ab3d --- /dev/null +++ b/src/core/Etf.js @@ -0,0 +1,57 @@ +import { Asset } from './Asset.js'; + +export class Etf extends Asset { + constructor(data) { + super(data); + this.expenseRatio = data.expenseRatio ?? 0; + this.totalAssets = data.totalAssets ?? 0; + this.yield = data.yield ?? 0; + this.fiveYearReturn = data.fiveYearReturn ?? 0; + } + + evaluate() { + let green = 0, + orange = 0, + red = 0; + + // Rule 1: Expense Ratio + if (this.expenseRatio !== null) { + this.expenseRatio <= 0.15 ? green++ : red++; + } + + // Rule 2: Total Assets (size) + if (this.totalAssets > 0) { + this.totalAssets >= 1_000_000_000 ? green++ : red++; + } + + // Rule 3: Yield + if (this.yield !== null) green++; + + const isEfficient = this.expenseRatio < 0.2; + + return { + Type: 'ETF', + Ticker: this.ticker, + Price: this.formatCurrency(this.currentPrice), + // Use optional chaining (?.) and nullish coalescing (?? 0) + 'Exp Ratio%': `${(this.expenseRatio ?? 0).toFixed(2)}%`, + 'Yield%': `${(this.yield ?? 0).toFixed(2)}%`, + AUM: this.formatLargeNumber(this.totalAssets ?? 0), + '5Y Return%': `${(this.fiveYearReturn ?? 0).toFixed(1)}%`, + Verdict: isEfficient ? '🟢 Efficient' : '🔴 High Cost', // Simplified for testing + }; + } + + getJustification() { + const reasons = []; + if (this.expenseRatio > 0.15) + reasons.push(`High Fee (${this.expenseRatio}%)`); + if (this.totalAssets < 1_000_000_000) reasons.push(`Low AUM`); + + return { + Ticker: this.ticker, + Verdict: red > 0 ? 'Avoid' : 'Core Hold', + Reasoning: reasons.length > 0 ? reasons.join(', ') : 'Solid Foundation', + }; + } +} diff --git a/src/core/ScreenerEngine.js b/src/core/ScreenerEngine.js new file mode 100644 index 0000000..6ec577f --- /dev/null +++ b/src/core/ScreenerEngine.js @@ -0,0 +1,88 @@ +import { YahooClient } from '../api/YahooClient.js'; +import { mapToStandardFormat } from '../utils/DataMapper.js'; +import { Stock } from './Stock.js'; +import { Etf } from './Etf.js'; +import { Bond } from './Bond.js'; +import { chunkArray } from '../utils/Chunker.js'; + +export class ScreenerEngine { + constructor() { + this.client = new YahooClient(); + } + + _createAssetInstance(data) { + const type = (data.type || 'STOCK').toUpperCase(); + switch (type) { + case 'BOND': + return new Bond(data); + case 'ETF': + return new Etf(data); + default: + return new Stock(data); + } + } + + async _fetchAndProcess(ticker) { + try { + const summary = await this.client.fetchSummary(ticker); + if (!summary?.price) throw new Error('Invalid Payload'); + return mapToStandardFormat(ticker, summary); + } catch (error) { + // Return a structured error object that mimics the successful data format + return { + isError: true, + Ticker: ticker.toUpperCase(), + Type: 'STOCK', + Verdict: `🔴 ${error.message}`, + }; + } + } + + async runParallelScreener(tickerList) { + const chunks = chunkArray(tickerList, 5); + const results = { STOCK: [], ETF: [], BOND: [] }; + + for (const chunk of chunks) { + console.log(`🚀 Processing batch: ${chunk.join(', ')}`); + const rawDataBatch = await Promise.all( + chunk.map((t) => this._fetchAndProcess(t)), + ); + + rawDataBatch.forEach((data) => { + if (data.isError) { + results.STOCK.push(data); + return; + } + + const asset = this._createAssetInstance(data); + const evaluated = asset.evaluate(); + + // --- THE FIX --- + // If the evaluated.Type doesn't match a bucket, + // this console.warn will tell us exactly what key is missing. + const category = (evaluated.Type || data.type || 'STOCK').toUpperCase(); + + if (results[category]) { + results[category].push(evaluated); + } else { + console.warn( + `WARNING: Data dropped! Ticker ${data.ticker} has Type "${category}" which doesn't match results keys.`, + ); + } + }); + + await new Promise((resolve) => setTimeout(resolve, 1000)); + } + + this._display(results); + } + + _display(results) { + console.log('\n--- EQUITY MATRIX ---\n'); + console.table(results.STOCK); + console.log('\n--- ETF MATRIX ---\n'); + console.table(results.ETF); + console.log('\n--- BOND MATRIX ---\n'); + console.table(results.BOND); + } +} diff --git a/src/core/Stock.js b/src/core/Stock.js new file mode 100644 index 0000000..789a3ed --- /dev/null +++ b/src/core/Stock.js @@ -0,0 +1,103 @@ +import { Asset } from './Asset.js'; + +export class Stock extends Asset { + constructor(data) { + super(data); + this.summaryData = data.summaryData; + this.industry = data.industry || this._detectIndustryType(data.summaryData); + + // Financial Metrics + this.quickRatio = data.quickRatio ?? null; + this.debtToEquity = data.debtToEquity ?? 0; + this.fcfGrowth = data.fcfGrowth ?? 'neutral'; + this.revenueGrowth = data.revenueGrowth ?? 0; + this.netProfitMargin = data.netProfitMargin ?? 0; + this.pegRatio = data.pegRatio ?? null; + } + + _detectIndustryType(summary = {}) { + const profile = summary.assetProfile || {}; + const industry = (profile.industry || '').toLowerCase(); + const grossMargin = (summary.financialData?.grossMargins ?? 0) * 100; + const marketCap = summary.price?.marketCap || 0; + + if ( + grossMargin > 70 || + industry.includes('software') || + industry.includes('cloud') + ) + return 'SaaS'; + if (marketCap > 100_000_000_000) return 'Mega-Cap'; + if (['telecom', 'utility', 'railroad'].some((i) => industry.includes(i))) + return 'Capital-Heavy'; + + return 'General'; + } + + // Extracted scoring rules for cleaner 'evaluate' method + _scoreMetric(value, thresholds, isGreen, isOrange) { + if (value === null || value === undefined) return 0; // Neutral + if (isGreen(value)) return 1; // Green + if (isOrange(value)) return -1; // Orange + return -2; // Red + } + + evaluate() { + let green = 0, + orange = 0, + red = 0; + + const metrics = [ + { + val: this.quickRatio, + green: (v) => + v > 1.0 || + ((this.industry === 'SaaS' || this.industry === 'Mega-Cap') && + v >= 0.7), + orange: (v) => v >= 0.7, + }, + { + val: this.debtToEquity, + green: (v) => v < 1.0, + orange: (v) => v <= 2.5 || this.industry === 'Capital-Heavy', + }, + { val: this.revenueGrowth, green: (v) => v > 10, orange: (v) => v >= 2 }, + { + val: this.netProfitMargin, + green: (v) => v > 15 || this.industry === 'Retail', + orange: (v) => v >= 5, + }, + { + val: this.pegRatio, + green: (v) => v > 0 && v <= 1.3, + orange: (v) => v <= 3.5 || ['SaaS', 'Mega-Cap'].includes(this.industry), + }, + ]; + + metrics.forEach((m) => { + const score = this._scoreMetric(m.val, null, m.green, m.orange); + if (score === 1) green++; + else if (score === -1) orange++; + else if (m.val !== null) red++; + }); + + if (this.fcfGrowth === 'positive') green++; + else if (['SaaS', 'Mega-Cap'].includes(this.industry)) orange++; + else red++; + + const verdict = this.calculateVerdict(red, orange, green); + + return { + Ticker: this.ticker, + Type: 'STOCK', + Price: this.formatCurrency(this.currentPrice), + 'PEG/Fee': this.pegRatio?.toFixed(2) ?? 'N/A', + 'Rev%': `${this.revenueGrowth.toFixed(1)}%`, + 'Marg%': `${this.netProfitMargin.toFixed(1)}%`, + Quick: this.quickRatio?.toFixed(2) ?? 'N/A', + 'D/E': this.debtToEquity.toFixed(2), + 'G/O/R': `${green}/${orange}/${red}`, + Verdict: verdict, + }; + } +} diff --git a/src/utils/Chunker.js b/src/utils/Chunker.js new file mode 100644 index 0000000..5d70edb --- /dev/null +++ b/src/utils/Chunker.js @@ -0,0 +1,7 @@ +export const chunkArray = (array, size) => { + const result = []; + for (let i = 0; i < array.length; i += size) { + result.push(array.slice(i, i + size)); + } + return result; +}; diff --git a/src/utils/DataMapper.js b/src/utils/DataMapper.js new file mode 100644 index 0000000..3aad7c2 --- /dev/null +++ b/src/utils/DataMapper.js @@ -0,0 +1,59 @@ +// src/utils/DataMapper.js + +export const mapToStandardFormat = (ticker, summary) => { + const quoteType = summary.price?.quoteType; + const category = (summary.assetProfile?.category || '').toLowerCase(); + const yieldVal = summary.summaryDetail?.trailingAnnualDividendYield ?? 0; + // Logic to determine type + const isBond = + category.includes('bond') || + category.includes('fixed income') || + category.includes('treasury') || + (quoteType === 'ETF' && yieldVal > 0.02 && category === ''); // Heuristic fallback + if (quoteType === 'ETF') { + return isBond + ? { + type: 'BOND', + ticker, + ...mapBondData(summary), + } + : { + type: 'ETF', + ticker, + ...mapEtfData(summary), + }; + } + + // Default to STOCK (covers 'EQUITY' or missing types) + return { + type: 'STOCK', + ticker, + ...mapStockData(summary), + }; +}; + +const mapStockData = (summary) => ({ + quickRatio: summary.financialData?.quickRatio ?? 0, + debtToEquity: (summary.financialData?.debtToEquity ?? 0) / 100, + fcfGrowth: + (summary.financialData?.freeCashflow ?? 0) > 0 ? 'positive' : 'negative', + revenueGrowth: (summary.financialData?.revenueGrowth ?? 0) * 100, + netProfitMargin: (summary.financialData?.profitMargins ?? 0) * 100, + pegRatio: summary.defaultKeyStatistics?.pegRatio ?? 0, + currentPrice: summary.price?.regularMarketPrice ?? 0, +}); + +const mapEtfData = (summary) => ({ + expenseRatio: (summary.summaryDetail?.expenseRatio ?? 0) * 100, + totalAssets: summary.summaryDetail?.totalAssets ?? 0, + yield: (summary.summaryDetail?.trailingAnnualDividendYield ?? 0) * 100, + fiveYearReturn: summary.defaultKeyStatistics?.fiveYearAverageReturn ?? 0, + currentPrice: summary.price?.regularMarketPrice ?? 0, +}); + +const mapBondData = (summary) => ({ + yieldToMaturity: (summary.summaryDetail?.yield ?? 0) * 100, + duration: summary.defaultKeyStatistics?.fiveYearAverageReturn ?? 0, + creditRating: summary.assetProfile?.governanceEpochDate ? 'Rated' : 'N/A', + currentPrice: summary.price?.regularMarketPrice ?? 0, +});