Create utils.py

utils.py

@@ -0,0 +1,40 @@
+import pandas as pd
+import numpy as np
+from datetime import datetime, timedelta
+
+def format_currency(value):
+    """Format number as currency"""
+    return f"${value:,.2f}"
+
+def format_percentage(value):
+    """Format number as percentage"""
+    return f"{value:+.2f}%"
+
+def get_market_status():
+    """Get current market status"""
+    now = datetime.now()
+    if now.weekday() >= 5:  # Weekend
+        return "Market Closed"
+    
+    market_open = now.replace(hour=9, minute=30, second=0, microsecond=0)
+    market_close = now.replace(hour=16, minute=0, second=0, microsecond=0)
+    
+    if now < market_open:
+        return "Pre-Market"
+    elif now > market_close:
+        return "After-Hours"
+    else:
+        return "Market Open"
+
+def calculate_support_resistance(prices):
+    """Calculate simple support and resistance levels"""
+    if len(prices) < 5:
+        return {"support": prices[-1] * 0.95, "resistance": prices[-1] * 1.05}
+    
+    support = min(prices[-5:]) * 0.98
+    resistance = max(prices[-5:]) * 1.02
+    
+    return {
+        "support": round(support, 2),
+        "resistance": round(resistance, 2)
+    }