Update app.py

app.py

@@ -7,28 +7,30 @@ import time
 import random
 from datetime import datetime, timedelta
 import pandas as pd
+import os
 
 # === POLYGON CONFIG ===
-# Insert your key here:
-POLYGON_API_KEY = "fAhg47wPlf4FT6U2Hn23kQoQCQIyW0G_"
+# If using Hugging Face "Secrets", leave as os.getenv; otherwise you may hardcode.
+POLYGON_API_KEY = os.getenv("POLYGON_API_KEY") or "fAhg47wPlf4FT6U2Hn23kQoQCQIyW0G_"
 
-# === POLYGON QUOTE UTILITY ===
+# === POLYGON QUOTE for Free Tier (uses Previous Close) ===
 def fetch_polygon_quote(ticker, polygon_api_key=POLYGON_API_KEY):
-    url = f"https://api.polygon.io/v2/last/trade/{ticker.upper()}?apiKey={polygon_api_key}"
+    url = f"https://api.polygon.io/v2/aggs/ticker/{ticker.upper()}/prev?adjusted=true&apiKey={polygon_api_key}"
     try:
         response = requests.get(url, timeout=10)
         response.raise_for_status()
         data = response.json()
-        if "results" in data and "p" in data["results"]:
-            price = data["results"]["p"]  # last trade price
-            ts = data["results"]["t"]     # timestamp (optional, could convert)
-            return f"💰 **Stock Quote for {ticker.upper()}**\n\n• **Current Price**: ${price:.2f}\n\n[More details on Polygon](https://polygon.io/stock/{ticker.upper()}/quote)"
+        if data.get("results"):
+            last = data["results"][0]
+            price = last["c"]  # close price
+            # Polygon gives epoch ms; convert to readable date
+            close_dt = datetime.utcfromtimestamp(last["t"] / 1000).strftime('%Y-%m-%d')
+            return f"💰 **Previous Close for {ticker.upper()} (as of {close_dt})**\n\n• **Close Price:** ${price:.2f}\n\n_(Free Polygon plan only provides prior close)_"
         else:
             return f"❌ Quote data unavailable for {ticker.upper()}."
     except Exception as e:
         return f"❌ Error: {str(e)}"
 
-
 # === SEC Utilities (no change) ===
 class SECUtils:
     def __init__(self):
@@ -107,7 +109,6 @@ class NewsUtils:
             return f"📰 **Latest News for {ticker}**\n\n❌ Error fetching news: {str(e)}\n\n💡 Try these alternatives:\n• [Yahoo Finance News](https://finance.yahoo.com/quote/{ticker}/news)\n• [Google Finance](https://www.google.com/finance/quote/{ticker}:NASDAQ)\n• [MarketWatch](https://www.marketwatch.com/investing/stock/{ticker})"
 
 # === Chart Utilities (keeps using yfinance for now) ===
-# If you want Polygon-powered charts, you can request that snippet.
 import yfinance as yf
 class ChartUtils:
     def create_price_chart(self, ticker, period="3mo"):
@@ -143,7 +144,6 @@ class ChartUtils:
             return None
 
 # === Financial Summary Placeholder ===
-# You could call Polygon's /vX/company endpoint, but not all summary info is available for free.
 def get_financial_summary_placeholder(ticker):
     return f"📊 **Financial Summary for {ticker.upper()}**\n\n❌ Detailed financials unavailable in the free Polygon tier.\n\n💡 Try [Yahoo Finance Financials](https://finance.yahoo.com/quote/{ticker}/financials) for more."
 
@@ -152,14 +152,13 @@ sec_utils = SECUtils()
 news_utils = NewsUtils()
 chart_utils = ChartUtils()
 
-# --- APP LOGIC ---
 def update_stock_info(ticker):
     """Update all sections when ticker changes"""
     if not ticker or not ticker.strip():
         empty_msg = "Enter a ticker symbol to see data"
         return empty_msg, empty_msg, empty_msg, empty_msg, None
     ticker = ticker.upper().strip()
-    # 1. Fetch quote via Polygon
+    # 1. Fetch quote via Polygon (previous close)
     quote_data = fetch_polygon_quote(ticker)
     time.sleep(0.3)
     # 2. News
@@ -194,7 +193,7 @@ with gr.Blocks(css=css, theme=gr.themes.Soft(), title="Stock Research Platform")
 
 🎯 Enter a stock ticker symbol (like **AAPL**, **TSLA**, **MSFT**, **GOOGL**) to explore detailed information.
 
-⚠️ **Note**: Stock quote data provided by Polygon. News and SEC filings remain free. Charts may still be subject to Yahoo limits.
+⚠️ **Note**: Stock quote data provided by Polygon (Previous Close for free plans). News and SEC filings remain free. Charts may still be subject to Yahoo limits.
 """)
     with gr.Row():
         with gr.Column(scale=3):