NISM-Series-VII: Securities Operations and Risk Management · Settlement Process

Pay-in and Pay-out of Funds and Securities Explained

Updated 11 October 2026 · Fact-checked

Pay-in is when members deliver funds and securities to the clearing corporation by the settlement deadline. Pay-out is when the clearing corporation releases funds and securities to members after netting. Obligations are computed by netting each member's trades per security and for funds. Securities move via depositories; funds via clearing banks.

Understand Pay-in and Pay-out of Funds and Securities

After a trade is executed on an exchange, nothing moves yet. The clearing corporation first works out what each clearing member owes or is owed. This is called obligation determination. It takes the confirmed trades and nets them.

Netting is done separately for each security and for funds. If a member bought 1,000 shares and sold 400 of the same security, the net obligation is to receive 600 shares. In funds, all purchase values and sale values are netted into one net amount to pay or receive. This is multilateral netting: each member's position is against the clearing corporation, not against individual counterparties.

Pay-in is the stage where members with a net obligation to deliver securities or pay funds send them to the clearing corporation. Securities are moved from the seller's demat account to the clearing corporation's pool account through the depository. Funds are moved through the clearing bank accounts. The clearing corporation becomes the central counterparty, so it holds everything before releasing it.

Pay-out is the reverse. After pay-in is received, the clearing corporation releases securities to members' pool accounts and funds to their clearing bank accounts. The member then passes them on to clients. Securities reach the client's demat account and funds reach the client's bank account through the broker's process.

Early pay-in lets a member deliver securities before the scheduled pay-in day and time. It helps the seller avoid shortages and lets the clearing corporation release the credit sooner. Securities given in early pay-in are blocked or moved, and the member can then be given benefit, such as reduced margin impact, as the clearing corporation allows. The exact timelines follow the circulars in force, so always check the NISM workbook version.

Key formulas to remember

Net securities obligation: Net securities = Quantity bought − Quantity sold (per security, per member); A positive result means pay-out of securities. A negative result means pay-in of securities.
Net funds obligation: Net funds = Value of sales − Value of purchases; A positive result means funds pay-out to the member. A negative result means funds pay-in by the member.
Direction rule: Seller: delivers securities, receives funds. Buyer: pays funds, receives securities.; Net over all trades, not trade by trade.
Pay-in and pay-out flow: Member → Clearing corporation (pay-in) → Member (pay-out); Securities flow through depositories. Funds flow through clearing banks.
Early pay-in: Early pay-in = delivery of securities before the scheduled pay-in time; Used to avoid shortages and to get earlier credit. Applies to securities, not a change in the settlement day.

How to solve Pay-in and Pay-out of Funds and Securities questions

Use this method for any question on obligations, pay-in or pay-out.

1Identify the entity asked about: client, trading member, clearing member or clearing corporation.
2List the trades per security. Separate buys and sells.
3Net quantity for each security: bought minus sold. Positive means receive, negative means deliver.
4Net the funds: total sale value minus total purchase value. Positive means receive, negative means pay.
5Map pay-in to what the member must give and pay-out to what the member gets.
6Check the channel: securities through the depository, funds through the clearing bank.
7If the question mentions early pay-in or shortage, decide whether the securities arrived before the deadline.
8Compare with the options and drop any that reverse the direction.

Quickest way: Sign and channel shortcut

When to use it: Use for numerical or direction-based MCQs when time is short.

Write net = buy − sell for securities and sell − buy for funds.
Negative securities or negative funds means pay-in. Positive means pay-out.
Securities answer? Think depository. Funds answer? Think clearing bank.
Eliminate options that net across different securities.

Common mistakes in Pay-in and Pay-out of Funds and Securities

Netting different securities against each other.
Students think netting applies to everything together.
Fix: Net each security separately. Only funds are netted into one amount.
Reversing pay-in and pay-out.
The terms are viewed from the client side instead of the clearing corporation side.
Fix: Pay-in is always towards the clearing corporation. Pay-out is always from it.
Assuming trades settle bilaterally between buyer and seller.
Older ideas of direct delivery persist.
Fix: Remember that the clearing corporation is the central counterparty for settlement.
Thinking early pay-in changes the settlement day.
The word early suggests the whole settlement moves.
Fix: Early pay-in only brings forward the delivery of securities. The scheduled settlement is unchanged.
Mixing channels for funds and securities.
Both are described as pay-in.
Fix: Securities move through depositories and funds through clearing banks.

Worked examples

Example 1

In one settlement, a clearing member bought 1,500 shares of X and sold 600 shares of X. It also bought 200 shares of Y and sold 500 shares of Y. What are the net securities obligations?

Show the solution

For X: bought 1,500 minus sold 600 = 900. Positive, so the member receives 900 shares.
For Y: bought 200 minus sold 500 = −300. Negative, so the member must deliver 300 shares.
Securities are netted per security, so X and Y are not combined.

Answer: Receive 900 shares of X in pay-out and deliver 300 shares of Y in pay-in.

Example 2

A member's purchases total ₹12,50,000 and its sales total ₹9,00,000 in a settlement. What is the funds obligation and what is the direction?

Show the solution

Net funds = sales − purchases = ₹9,00,000 − ₹12,50,000.
The result is −₹3,50,000.
Negative means the member owes funds.
Owing funds means pay-in to the clearing corporation through the clearing bank.

Answer: The member must pay in ₹3,50,000 to the clearing corporation.

Exam tips

Read from whose perspective the question is framed before choosing pay-in or pay-out.
Watch for options that net across securities. These are wrong.
Link securities with depositories and funds with clearing banks.
For early pay-in questions, choose the option that advances only the delivery of securities.
Do a quick sign check after each calculation to avoid reversing the direction.

Practice questions from Settlement Process

Pay-in and Pay-out of Funds and Securities: frequently asked questions

What is the difference between pay-in and pay-out?

Pay-in is the delivery of funds and securities by members to the clearing corporation. Pay-out is the release of funds and securities by the clearing corporation to members. Pay-in comes first.

How are obligations determined in clearing?

The clearing corporation takes the confirmed trades and nets them for each member. Securities are netted per security and funds are netted into one amount. The result shows what the member must deliver or receive.

What is early pay-in in a depository?

It is the delivery of securities to the clearing corporation before the scheduled pay-in time. It helps members avoid shortages and get earlier credit. It does not change the settlement day.

Who handles funds and securities movement?

Securities move through depositories between demat accounts. Funds move through clearing banks between member and clearing corporation accounts.