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In NSE equity derivatives, settlement determines how daily gains and losses, option premiums and expiry obligations move between market participants. Futures are marked to market each day; options have a separate premium settlement, and expiry can mean either a cash payment or, for some individual-stock contracts, delivery of shares. NSE’s public pages conflict on the settlement mode for individual-security options, so traders should confirm the live contract specification and their broker’s expiry notice for the exact symbol and expiry.
What “settlement” means in NSE derivatives
This guide uses the National Stock Exchange of India’s equity derivatives segment—its futures and options (F&O) market—as the example. Settlement is the process for meeting the cash and securities obligations created by a trade, whether a position is held, closed or reaches expiry. Rules differ by product, so “derivatives settlement” does not mean one identical process for every futures or options contract in India.
NSE Clearing Limited is the clearing agency and legal counterparty for NSE F&O trades. As NSE puts it, “NSE Clearing acts legal counter-party to all deals on NSE’s F&O segment and guarantees settlement.” Trading members clear through clearing members; the client’s broker communicates and collects the resulting obligations through the client’s account. Exchange settlement through clearing members and a client’s account-level settlement are connected, but they are not the same step.
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How futures settlement works day to day
Daily mark-to-market
At the end of each trading day, an open futures position is marked to the contract’s daily settlement price. For a position opened that day, the gain or loss is calculated against its trade price. For a position carried from an earlier day, it is calculated against the previous day’s settlement price. After the calculation, the open position is reset to the new daily settlement price; the next day’s calculation starts from there.
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NSE’s published settlement-mechanism page describes daily futures mark-to-market pay-in and pay-out on T+1. It also says clearing members may opt for T+0 payment of daily mark-to-market amounts under stated conditions, while the associated pay-out remains T+1 on that page. T+1 means the next settlement day under the exchange’s applicable cycle; it should not be read as an assurance about the time a broker will display funds in a client account.
At futures expiry
On expiry, the final settlement price is used for the last profit-or-loss calculation. NSE’s mechanism page says the resulting amount is debited or credited through the clearing bank on T+1. The futures position then ends; it does not continue as an open futures contract after expiry.
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How option premiums and expiry are settled
Premium before expiry
An options buyer pays a premium and the seller receives it. NSE describes premium amounts as netted at client level and paid or received on T+1. This premium flow is separate from the settlement that may arise if an option reaches expiry.
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Exercise at expiry
NSE’s general settlement-mechanism page says in-the-money options are automatically exercised at expiry, with long positions assigned to short positions in the same series on a random basis. That page describes the exercise settlement as cash settled. The treatment of individual-security options is not consistent across NSE’s public pages, however, so that general description should not be treated as definitive for every stock-option contract.
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Cash settlement or delivery of shares?
Cash settlement meets a settlement obligation through a money amount. Physical settlement involves delivery or receipt of the underlying shares, which can require the participant to provide securities or funds as well as meet applicable margin requirements.
NSE’s dedicated individual-securities product page says those options are European style and physically settled. NSE’s physical-settlement FAQ also discusses delivery margin and settlement communication that specifies the deliverable security’s ISIN, quantity and pay-in amount. NSE Clearing’s risk FAQ describes delivery margin on potential deliverable positions and post-expiry delivery settlement. Those descriptions differ from the general mechanism page’s statement that option exercise is cash settled.
Because the public descriptions conflict, the settlement mode for a particular individual-security option cannot safely be inferred from the general page alone. Check the live contract specification and applicable exchange circulars for the symbol and expiry, then compare them with the broker’s expiry notice. For a position that could create delivery, confirm what securities or funds the broker requires and by when.
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The price used for daily futures mark-to-market is not necessarily the same reference used to settle a contract at expiry. NSE’s settlement-price page describes the following methods for its covered equity derivatives:
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| Calculation | Index contract | Individual-security contract |
|---|---|---|
| Daily futures settlement price | Contract closing price, calculated using the weighted average during the last half-hour of trading on NSE. | Closing price across exchanges, as described by NSE. |
| Final settlement price | Relevant underlying index close in NSE’s capital-market segment. | Underlying security close across exchanges. |
These are the methods stated on NSE’s settlement-price page, which is marked updated 03/01/2023. Use the applicable current contract specification for a live position rather than assuming a published general description overrides later contract-specific terms.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Margins, funding and delivery obligations
NSE describes online SPAN-based initial margin and includes delivery margin and crystallized-obligation margin among initial margin requirements. Its end-of-day client obligations account for futures mark-to-market, option premium, expiry exercise or assignment, and final futures settlement. The amount a client must maintain depends on the position and current requirements; there is no single generic rupee figure that applies to every retail trader.
NSE’s physical-settlement FAQ says delivery margin applies from expiry until settlement or early pay-in. For a position that may result in delivery, the trader may therefore need to arrange the required funds or securities, not just the original option premium. The broker’s current margin statement and contract-specific expiry information are the practical sources for the client’s amount and deadlines.
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Expiry cycles and dates depend on the product and the current contract specification. NSE’s contract-specification page lists Tuesday expiry conventions for the covered contracts, with expiry moved to the preceding trading day when Tuesday is a trading holiday. Do not assume that one weekday or cycle applies to every derivatives product: check the record for the specific contract, since exchange configurations can change. The page’s update date, 11/08/2026, is ambiguous as to date format, so the contract record and applicable notices are more useful than interpreting that date as a precise update timestamp.
What to check before holding a position into expiry
- Identify the contract. Confirm whether it is a future or option and whether the underlying is an index or an individual security.
- Verify the expiry and settlement mode. Consult the live NSE contract specification and applicable circulars for the exact symbol and expiry. For individual-security options, do not rely on the generic settlement-mechanism page alone.
- Read the broker’s expiry notice. Check the stated margin, funding or securities requirements, pay-in amount and deadlines for your account.
- Arrange the obligation or manage the position. If the applicable terms can require delivery, confirm that you can provide the necessary funds or shares before the broker’s deadline.
NSE’s settlement-mechanism and settlement-price pages are marked updated 03/01/2023; the clearing overview is marked updated 10/06/2025. These page dates do not replace current contract-specific terms, especially where settlement mode, expiry dates or margins may have changed.
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