CISI Global Securities Operations study materials
CISI Global Securities Operations study resources

CISI Global Securities Operations key terms

CISI Global Securities Operations · Get comfortable with the vocabulary.

Trade date

The day on which a securities trade is agreed and priced between buyer and seller, starting the clock for confirmation, clearing and settlement obligations.

Related: Settlement date, Settlement cycle, Straight-through processing
Settlement date

The contractual date on which cash and securities must be exchanged to discharge a trade, normally expressed as a number of business days after trade date.

Related: Trade date, Settlement cycle, Delivery versus payment
Settlement cycle

The standard elapsed time between trade date and settlement date in a market, such as T+1 or T+2, set by market convention or regulation.

Related: Settlement date, Trade date, Central securities depository
Delivery versus payment

A settlement mechanism in which the transfer of securities and the transfer of cash happen simultaneously and are linked, so neither party delivers without receiving.

Related: Payment versus payment, Central securities depository, Settlement date
Payment versus payment

A settlement arrangement for foreign exchange in which the two currency legs are settled simultaneously, removing the risk that one party pays and the other fails to.

Related: Delivery versus payment, Herstatt risk, Nostro account
Herstatt risk

The risk that a party paying away one currency loses the full amount because the counterparty fails before paying the counter-currency leg, typically across time zones.

Related: Payment versus payment, Counterparty risk, Nostro account
Central securities depository

An entity that holds securities in immobilised or dematerialised form and records ownership by book entry, enabling transfer of title without physical movement of certificates.

Related: Immobilisation, Book-entry transfer, Central counterparty
Central counterparty

An entity that interposes itself between trade counterparties, becoming buyer to every seller and seller to every buyer, and manages counterparty risk through margining and default funds.

Related: Novation, Initial margin, Central securities depository
Novation

The legal process by which a central counterparty replaces the original bilateral contract with two new contracts, one with each original party.

Related: Central counterparty, Clearing member
Clearing member

A firm admitted to a clearing house or central counterparty that clears its own and its clients' trades and carries the resulting margin and default-fund obligations.

Related: Central counterparty, Initial margin, Segregation
Initial margin

Collateral collected from a clearing member at the outset of a position to cover potential future exposure over the close-out period assumed in the risk model.

Related: Variation margin, Central counterparty, Clearing member
Variation margin

Collateral or cash transferred daily to reflect the change in value of open positions, settling the mark-to-market movement since the previous margin call.

Related: Initial margin, Mark-to-market, Margin call
Immobilisation

The practice of holding physical securities certificates in a depository vault so that ownership changes are recorded by book entry rather than by moving paper.

Related: Dematerialisation, Central securities depository, Book-entry transfer
Dematerialisation

The conversion of physical securities certificates into electronic records, so that no paper instrument exists and legal title is evidenced solely by the register entry.

Related: Immobilisation, Book-entry transfer, Central securities depository
Book-entry transfer

A movement of securities between accounts on a depository's electronic records that changes legal or beneficial ownership without any physical delivery of certificates.

Related: Central securities depository, Immobilisation, Custodian
Custodian

A regulated institution that safekeeps client securities, processes settlements and income, and maintains records of holdings on behalf of the underlying owner.

Related: Sub-custodian, Segregation, Corporate action
Sub-custodian

A local institution appointed by a global custodian to hold assets and settle trades in a market where the custodian has no direct membership or presence.

Related: Custodian, Global custodian, Segregation
Global custodian

A provider that safekeeps and services a client's assets across many markets, usually through a network of appointed local sub-custodians and agents.

Related: Sub-custodian, Custodian
Segregation

The requirement to hold client assets separately from the firm's own assets and from those of other clients, so that they remain identifiable and returnable on insolvency.

Related: Client money, Custodian, Reconciliation
Client money

Funds held by a firm on behalf of clients, which must be identified, segregated and protected under client-asset rules rather than treated as the firm's own cash.

Related: Segregation, Nostro account, Reconciliation
Corporate action

An event initiated by an issuer that affects the securities it has issued, such as a dividend, rights issue, bonus issue, merger or stock split, requiring processing for holders.

Related: Record date, Ex-date, Entitlement
Ex-date

The date from which a security trades without the right to the pending corporate action, so buyers on or after that date do not receive the benefit.

Related: Record date, Corporate action, Entitlement
Record date

The date on which the issuer or depository determines which holders are registered and therefore entitled to participate in a corporate action.

Related: Ex-date, Entitlement, Corporate action
Entitlement

The quantum of cash, securities or rights a holder is due from a corporate action, calculated by applying the event terms to the holding on the record date.

Related: Record date, Corporate action, Withholding tax
Withholding tax

Tax deducted at source by a payer or issuer on income such as dividends or interest, potentially reduced by a treaty and reclaimed where over-deducted.

Related: Entitlement, Tax reclaim
Tax reclaim

A claim submitted to a tax authority to recover withholding tax deducted above the rate allowed under a double-taxation treaty or domestic exemption.

Related: Withholding tax, Entitlement
Reconciliation

The process of comparing two independent records, such as internal ledgers and custodian statements, and investigating differences until they agree or are explained.

Related: Break, Suspense account, Segregation
Break

A discrepancy between two records being reconciled, such as a position, cash or transaction mismatch, which must be investigated, aged and resolved.

Related: Reconciliation, Suspense account
Suspense account

A holding account used temporarily for items that cannot yet be allocated to the correct client or ledger, pending investigation and clearing.

Related: Break, Reconciliation, Client money
Straight-through processing

The automated end-to-end handling of a trade from execution through confirmation, clearing and settlement without manual re-keying or intervention.

Related: Confirmation, Affirmation, Settlement cycle
Confirmation

The process by which the two parties to a trade compare and agree the economic terms, such as price, quantity, settlement date and account details.

Related: Affirmation, Straight-through processing, Trade date
Affirmation

A client's agreement to the details of an allocation or trade submitted by its broker or executing party, often through a central matching utility.

Related: Confirmation, Allocation, Straight-through processing
Allocation

The process of splitting an aggregated or block execution into separate accounts and quantities so each underlying client receives the correct position and price.

Related: Affirmation, Confirmation, Average price
Nostro account

A firm's own account held in a foreign currency at a bank abroad, used to receive and pay cash in that currency and to fund settlement.

Related: Vostro account, Payment versus payment, Client money
Vostro account

An account that a bank holds for another bank in the holder's own currency, mirroring the correspondent's nostro relationship.

Related: Nostro account, Payment versus payment
Anti-money laundering

The framework of laws, controls and monitoring designed to detect and prevent the disguising of criminal proceeds as legitimate funds within financial services.

Related: Know your customer, Suspicious activity report, Politically exposed person
Know your customer

The identification and verification of a client's identity and risk profile before and during a business relationship, forming the core of customer due diligence.

Related: Customer due diligence, Beneficial owner, Anti-money laundering
Beneficial owner

The natural person who ultimately owns or controls a client or the funds involved, identified through ownership thresholds and control tests during onboarding.

Related: Know your customer, Customer due diligence, Politically exposed person
Politically exposed person

A person entrusted with prominent public functions, or a close associate or family member, who is subject to enhanced scrutiny because of higher corruption risk.

Related: Enhanced due diligence, Customer due diligence, Anti-money laundering
Enhanced due diligence

Additional checks applied to higher-risk clients or transactions, such as extra identity evidence, source-of-wealth review and senior sign-off, beyond standard measures.

Related: Customer due diligence, Politically exposed person, Suspicious activity report
Suspicious activity report

A confidential disclosure made to the financial intelligence unit when a firm knows or suspects money laundering or terrorist financing, usually with a bar on tipping off.

Related: Anti-money laundering, Enhanced due diligence
Operational risk

The risk of loss from failed or inadequate internal processes, people, systems or external events, including settlement errors, fraud and processing breakdowns.

Related: Key risk indicator, Business continuity plan, Reconciliation
Key risk indicator

A measurable metric, such as failed trades or ageing breaks, tracked to give early warning that operational risk exposure is rising above tolerance.

Related: Operational risk, Break
Business continuity plan

Documented arrangements, including recovery time objectives and alternate sites, that allow a firm to keep critical operations running during a disruption.

Related: Operational resilience, Operational risk
Operational resilience

A firm's ability to prevent, withstand, recover from and learn from disruptions, keeping important business services within impact tolerances rather than merely surviving.

Related: Business continuity plan, Operational risk, Straight-through processing