What is Lot Size?
The fixed quantity of shares in one F&O contract on NSE. For example, 1 Nifty lot = 50 units, 1 Bank Nifty lot = 15 units. Each F&O stock (Reliance, TCS, Infosys, etc.) has its own specified lot size.
Definition
Lot Size is:
The fixed quantity of shares in one F&O contract on NSE. For example, 1 Nifty lot = 50 units, 1 Bank Nifty lot = 15 units. Each F&O stock (Reliance, TCS, Infosys, etc.) has its own specified lot size.
How Lot Size Works in NSE Trading
In the context of National Stock Exchange (NSE) derivatives trading, lot size is a fundamental concept that every F&O trader should understand. The NSE offers futures and options contracts across 180+ stocks and multiple indices (Nifty 50, Bank Nifty, Finnifty, Midcap Nifty), and lot size plays an important role in how these instruments are priced, traded, and analyzed.
Indian options traders use lot size analysis alongside other metrics like open interest, implied volatility, PCR, and the Greeks (Delta, Gamma, Theta, Vega) to build a comprehensive view of market conditions and make informed trading decisions.
Lot Size in Practice
Active F&O traders on NSE incorporate lot size into their daily workflow for better risk management and strategy selection. Whether trading weekly Nifty options, Bank Nifty on expiry day, or individual stock options, understanding lot size is essential for professional trading.
Pro Tip: Combine lot sizeanalysis with sector-level data and FII/DII positioning for a more complete picture of market dynamics. Arinedge’s platform integrates lot size with institutional flow data, volatility analytics, and market regime detection.
Frequently Asked Questions
What is Lot Size in NSE F&O trading?
The fixed quantity of shares in one F&O contract on NSE. For example, 1 Nifty lot = 50 units, 1 Bank Nifty lot = 15 units. Each F&O stock (Reliance, TCS, Infosys, etc.) has its own specified lot size.
How is Lot Size used by Indian options traders?
Lot Size is used by Indian F&O traders to analyze options contracts on NSE and make informed trading decisions. Understanding Lot Size helps in position sizing, risk management, and strategy selection for the Indian derivatives market.
Where can I find live Lot Size data?
Live Lot Size data is available on the NSE website and through Arindge's analytics platform, which sources data directly from NSE feeds every 30 seconds during market hours (9:15 AM - 3:30 PM IST).
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Data sourced from NSE | Last verified: June 2026 | Educational content — not investment advice.