NSE Revises Quantity Freeze Limits for Index Derivatives from September 1, 2026

The National Stock Exchange has revised the quantity freeze limits applicable to six index futures and options contracts, with the new thresholds taking effect from September 1, 2026.

Under the latest circular, Bank Nifty and Nifty Next 50 will have a freeze limit of 600 units each. The limits for Nifty 50 and FinNifty have been set at 1,800 units, while Midcap Nifty carries a limit of 2,800. Nifty India FPI 150 has the highest threshold at 8,500 units.

NSE periodically publishes quantity freeze limits for derivative contracts and makes the latest values available through its contract information files.

New Limits Differ Across Index Contracts

A quantity freeze limit is the maximum quantity that can be entered in a single futures or options order. If a trader places an order above the prescribed threshold, the exchange system rejects that order.

For instance, if an index has a freeze quantity of 600, an order for 800 units cannot be submitted as one order. The trader would need to divide the intended transaction into smaller orders that remain within the permitted quantity.

Such limits act as an order-level risk control. They are particularly useful in reducing the risk of unusually large orders being entered unintentionally, commonly referred to in markets as “fat-finger” trades. They also place a check on the size of a single order reaching the exchange at one time.

Does the Freeze Limit Cap a Trader’s Total Position?

No. A quantity freeze limit should not be confused with a limit on the total position that a trader can hold.

The restriction applies to each individual order. A participant who wants to transact in a quantity larger than the freeze threshold can split the transaction into several smaller orders, provided every individual order remains within the prescribed limit.

Trading platforms may also provide order-slicing facilities such as iceberg orders. These allow a larger intended transaction to be broken into a series of smaller orders, which are then sent to the exchange separately.

This distinction is important for retail traders. A freeze limit of 1,800 for Nifty 50, for example, does not mean that a participant can never build a position exceeding 1,800 units. It means that a single order cannot exceed the applicable permissible quantity.

Why Do Freeze Limits Change?

Quantity freeze limits are not fixed permanently. NSE states that the applicable thresholds are published from time to time, and traders are directed to the latest exchange contract files for the prevailing values.

This also explains why traders should avoid relying on an older freeze-limit table. Bank Nifty, for instance, has carried different thresholds at different points. The value applicable from September 1, 2026 is 600, as specified in the latest circular supplied by NSE.

The exchange’s contract framework also means the freeze quantity has to be read together with the permitted lot size. Since derivatives are traded in lots, the actual order quantity must correspond to an allowable number of complete lots while remaining within the prescribed freeze threshold.

What Happens If an Order Exceeds the Limit?

An order above the permitted freeze quantity is rejected rather than being partially accepted by the exchange. The trader must reduce the quantity or divide the transaction into multiple valid orders.

This makes the rule relevant not only for large institutional orders but also for active derivatives traders placing sizeable positions.

NSE has also asked its members to update their contract information before trading under the revised limits. In practical terms, brokers need to ensure that their trading systems reflect the latest index-specific quantities from September 1.

Conclusion

The September revision does not change how quantity freeze limits work; it changes the thresholds that apply to the relevant index contracts. Bank Nifty and Nifty Next 50 now carry limits of 600, compared with 1,800 for Nifty 50 and FinNifty, 2,800 for Midcap Nifty and 8,500 for Nifty India FPI 150.

For derivatives traders, the practical takeaway is straightforward: check the current freeze quantity before entering a large order and remember that the limit applies at the individual-order level, not necessarily to the overall position.