Change in Lot Sizes for Nifty Derivatives

The NSE has announced changes in the lot size of some popular derivative contracts. This will take effect from October 28, 2025 (EOD).

What’s Changing?

Index	Symbol	Current Lot	New Lot
Nifty 50	NIFTY	75	65
Nifty Bank	BANKNIFTY	35	30
Nifty Financial Services	FINNIFTY	65	60
Nifty Mid Select	MIDCPNIFTY	140	120

No change in Nifty Next 50 (Lot size remains 25).

Why it Matters?

Lower lot sizes mean lower contract value, making it easier for investors and traders to participate.

These changes are part of SEBI’s regular review to keep contract sizes aligned with market levels.

Existing contracts will continue with current lot sizes till December 30,2025 expiry.

Key Dates to Remember

October 28, 2025: New lot sizes apply for contracts.

December 30, 2025: Transition for quarterly and half-yearly contracts.

Tip: Investors should recheck their open positions and fresh trades in these indices after the change.

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