What is a lot size in F&O trading?
Derivatives
Lot size is the fixed, exchange-defined number of shares or units in a single futures or options contract — you can’t trade a partial lot.
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Lot sizes vary by underlying stock or index and are revised periodically by the exchange based on the stock’s price, keeping contract values within a reasonable range. Knowing the lot size is essential for calculating the actual capital and margin required for a trade.
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