Swiggy, Waaree, Bajaj Holdings Enter F&O; Nifty Lot Sizes Revised

• Swiggy, Premier Energies, Waaree Energies, and Bajaj Holdings debut in Futures & Options (F&O) segment from December 31.
• These four stocks replace HFCL, NCC, Titagarh Rail, and Cyient, which are now excluded from F&O trading.
• F&O contracts for the January series and beyond are now available for the newly added stocks.
• Nifty lot size revised to 65 from 75, and Nifty Bank lot size changed to 30 from 35.
• Despite F&O inclusion, Swiggy, Premier Energies, Waaree Energies, and Bajaj Holdings have seen significant declines from their recent highs in 2025.

Why It Matters: Four new stocks join F&O, replacing others, while Nifty lot sizes are adjusted amidst recent stock declines.