According to Sebi’s guidelines for periodic review, this research is part of a broad update of many market sizes for many key index derivatives. These changes will apply to the quarterly and semi-annual agreement ending after December 30, when the weekly and monthly contract will continue with the existing lot size until the date.
Improved market flour affects four major indices. The Nifty 50’s flour size will be reduced by 65, the bank Nifty contract will move from 35 to 30, the Nifty financial services will change from 65 to 60, and reduce the Nifty midcap selection by 140.
For the Nifty, a lot of size remains unchanged for the next 50.
The NSE explained that the repetition depends on the average closed price of the underlying indices during September 2025, which is used to determine the values of the contract and keep them in a balanced range.
Update flour size will be used on the contract with the expiry date after December 30, 2025. All agreements that end before this cut-evening, including weekly and monthly termination, will continue to use many existing sizes.
The NSE also stated that during this transition period, the Day Spread Order Book will not be available for a few contract combinations, such as November 2025 – January 2026, December 2025 – January 2026, and December 2025 – February 2026.
What does that mean for traders and investors?
Many sizes mean that traders and investors will need to adjust the number of units they buy or sell in a single futures or options contract. For example, 75 units of the index were represented in a Nifty Futures Agreement earlier, but by December 30, 2025, it would represent only 65 units.
This affects how much capital is needed to take a lot of a situation, as the overall contract value varies depending on many sizes and prices.
For merchants, especially dealing in large quantities or uses a hedging strategy, this research may require recalculation of the position size and adjusting the margin requirements. Since a lot of sizes are linked to margins and exposure, small lot size can reduce the value per contract, which can affect how they plan their trade.
For retail investors, the reduced flour size can make it a bit more accessible to participate in some indexes, because if the cost of the index remains stable then the capital of a flour may be reduced.
Also Read: Goldum Sachs Shan David Solomon looks at the market decline, says equity shakouts can set the stage for a shakout.
(Connection: The recommendations, suggestions, opinions and opinions provided by experts have their own. This does not represent opinions of economic time)
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