From adf0afe3c6a617063081c6553348cb1fd2a3bf66 Mon Sep 17 00:00:00 2001
From: Juergen Kunz <juergen@foss.global>
Date: Fri, 7 Nov 2025 12:52:45 +0000
Subject: [PATCH] update readme

---
 CLAUDE.md |  1 +
 readme.md | 28 +++++++---------------------
 2 files changed, 8 insertions(+), 21 deletions(-)
 create mode 100644 CLAUDE.md

diff --git a/CLAUDE.md b/CLAUDE.md
new file mode 100644
index 0000000..c799086
--- /dev/null
+++ b/CLAUDE.md
@@ -0,0 +1 @@
+Read .nogit/CLAUDE.md
\ No newline at end of file
diff --git a/readme.md b/readme.md
index e38c6d9..50b713c 100644
--- a/readme.md
+++ b/readme.md
@@ -19,13 +19,12 @@ pnpm add @fin.cx/opendata
 Get complete stock data with automatic enrichment - the elegant way:
 
 ```typescript
-import { StockDataService, YahooFinanceProvider, SecEdgarProvider } from '@fin.cx/opendata';
+import { StockDataService, SecEdgarProvider } from '@fin.cx/opendata';
 
 // Initialize unified service
 const stockData = new StockDataService();
 
 // Register providers
-stockData.registerPriceProvider(new YahooFinanceProvider());
 stockData.registerFundamentalsProvider(new SecEdgarProvider({
   userAgent: 'YourCompany youremail@example.com'
 }));
@@ -68,10 +67,10 @@ stocks.forEach(stock => {
 If you only need prices without fundamentals:
 
 ```typescript
-import { StockDataService, YahooFinanceProvider } from '@fin.cx/opendata';
+import { StockDataService, MarketstackProvider } from '@fin.cx/opendata';
 
 const stockData = new StockDataService();
-stockData.registerPriceProvider(new YahooFinanceProvider());
+stockData.registerPriceProvider(new MarketstackProvider('YOUR_API_KEY'));
 
 // Get just the price
 const price = await stockData.getPrice('AAPL');
@@ -81,7 +80,7 @@ console.log(`${price.ticker}: $${price.price}`);
 import { StockPriceService } from '@fin.cx/opendata';
 
 const stockService = new StockPriceService({ ttl: 60000 });
-stockService.register(new YahooFinanceProvider());
+stockService.register(new MarketstackProvider('YOUR_API_KEY'));
 
 const apple = await stockService.getData({ type: 'current', ticker: 'AAPL' });
 console.log(`${apple.companyFullName}: $${apple.price}`);
@@ -201,7 +200,7 @@ const details = await openData.handelsregister.getSpecificCompany({
 
 ### 📊 Stock & Crypto Market Module
 
-- **Real-Time Prices** - Live and EOD prices from Yahoo Finance, Marketstack, and CoinGecko
+- **Real-Time Prices** - Live and EOD prices from Marketstack and CoinGecko
 - **Cryptocurrency Support** - 13M+ crypto tokens with 24/7 market data via CoinGecko
 - **Company Names** - Automatic company name extraction (e.g., "Apple Inc (NASDAQ:AAPL)")
 - **Historical Data** - Up to 15 years of daily EOD prices with pagination
@@ -238,11 +237,11 @@ const details = await openData.handelsregister.getSpecificCompany({
 Analyze multiple companies with automatic enrichment:
 
 ```typescript
-import { StockDataService, YahooFinanceProvider, SecEdgarProvider } from '@fin.cx/opendata';
+import { StockDataService, MarketstackProvider, SecEdgarProvider } from '@fin.cx/opendata';
 
 // Setup unified service
 const stockData = new StockDataService();
-stockData.registerPriceProvider(new YahooFinanceProvider());
+stockData.registerPriceProvider(new MarketstackProvider('YOUR_API_KEY'));
 stockData.registerFundamentalsProvider(new SecEdgarProvider({
   userAgent: 'YourCompany youremail@example.com'
 }));
@@ -487,12 +486,6 @@ stockService.register(new MarketstackProvider('YOUR_API_KEY'), {
   retryAttempts: 3,
   retryDelay: 1000
 });
-
-// Yahoo Finance - Real-time data (no API key)
-stockService.register(new YahooFinanceProvider(), {
-  enabled: true,
-  priority: 50
-});
 ```
 
 ### Fundamentals Service Options
@@ -666,13 +659,6 @@ interface IStockFundamentals {
 - ✅ Company names included automatically
 - ⚠️ Requires API key (free tier: 100 requests/month)
 
-**YahooFinanceProvider**
-- ✅ Real-time stock prices
-- ✅ No API key required
-- ✅ Global coverage
-- ✅ Company names included
-- ⚠️ Rate limits may apply
-
 **CoinGeckoProvider**
 - ✅ Cryptocurrency prices (Bitcoin, Ethereum, 13M+ tokens)
 - ✅ Current, historical, and intraday data