Pre-Market Volume Leaders

Volume Leaders: Pre-market Volume Detection (Nifty 50)\nFetches pre-market trading data from NSE and identifies Nifty 50 stocks with the highest trading volume before market open (9:07 AM - 9:15 AM).\n\nCORE LOGIC (Step by Step):\nSTEP 1: Check if current time is pre-market (8:55 AM - 9:20 AM)\nSTEP 2: Fetch NSE Pre-market API\nSTEP 3: Parse response and filter for Nifty 50 stocks\nSTEP 4: Filter stocks with volume > 0\nSTEP 5: Sort by highest volume first\nSTEP 6: Return top 20 stocks by pre-market volume\n\nWHY THIS MATTERS:\n- High pre-market volume indicates institutional/news-driven interest\n- Often predicts which stocks will have strong movement during regular session\n- Helps identify early morning trading opportunities\n- Useful for gap trading and opening range strategies\n\nEXAMPLE:\nPre-market volume leaders:\nRELIANCE: 500,000 shares, +2.5%\nTCS: 300,000 shares, -1.2%\nHDFC: 250,000 shares, +0.8%