CIRO Trader study materials
CIRO Trader study resources

CIRO Trader key terms

CIRO Trader · Get comfortable with the vocabulary.

Best Execution

The duty to take all reasonable steps to obtain the best possible result for a client order, considering price, cost, speed, likelihood of execution and settlement, size, and any other relevant factor.

Related: Execution Venue, Order Handling Rules, Client Order Priority
Suitability

The obligation to ensure a recommended trade or strategy fits the client's investment objectives, risk tolerance, financial situation, knowledge, and experience before advising or executing it.

Related: Know Your Client, Conflicts of Interest, Retail Client
Know Your Client (KYC)

The process of collecting and verifying a client's identity, financial profile, investment goals, and risk appetite so that advice and account permissions are appropriate.

Related: Suitability, Client Categorization, Beneficial Ownership
Market Manipulation

Trading or order activity intended to distort, mislead, or artificially influence the price, supply, or demand of a financial instrument, including wash trades, spoofing, and marking the close.

Related: Spoofing, Wash Trade, Layering
Spoofing

Entering orders with no intention of executing them, then cancelling before execution, to create a false impression of supply or demand and move prices in the trader's favor.

Related: Layering, Market Manipulation, Order Book
Layering

Placing multiple non-bona-fide orders at different price levels on one side of the book to induce others to trade, while a genuine order sits on the opposite side.

Related: Spoofing, Market Manipulation, Order Book
Wash Trade

A transaction where the buyer and seller are the same person or colluding parties, creating the appearance of trading volume without any real change in beneficial ownership.

Related: Market Manipulation, Pre-Arranged Trading, Trade Reporting
Insider Dealing

Trading or disclosing inside information about an issuer or instrument to others, or encouraging trading on it, in breach of a duty of confidentiality owed to the source.

Related: Inside Information, Market Abuse, Restricted List
Inside Information

Precise, non-public information that, if made public, would likely significantly affect the price of a financial instrument or related derivative.

Related: Insider Dealing, Restricted List, Disclosure
Market Abuse

Umbrella term covering insider dealing, unlawful disclosure of inside information, and market manipulation, plus attempted or suspected forms of these behaviors.

Related: Insider Dealing, Market Manipulation, Surveillance
Front Running

Trading ahead of a known client order to profit from the anticipated price impact, abusing access to non-public order flow rather than genuine market information.

Related: Client Order Priority, Conflicts of Interest, Order Handling Rules
Client Order Priority

The principle that client orders must be handled promptly, fairly, and in the client's interest, without using knowledge of them to benefit the firm or its staff.

Related: Front Running, Best Execution, Order Handling Rules
Order Handling Rules

Procedures requiring firms to record, timestamp, route, and execute client orders promptly and accurately, and to prevent misuse of order information.

Related: Best Execution, Client Order Priority, Order Book
Execution Venue

Any regulated market, multilateral or organized trading facility, systematic internaliser, or other platform where orders can be matched or executed.

Related: Best Execution, Order Book, Systematic Internaliser
Order Book

The electronic record of outstanding buy and sell orders for an instrument, showing price levels and available quantities at each level.

Related: Spoofing, Layering, Execution Venue
Systematic Internaliser

A firm that, on an organized and frequent basis, executes client orders against its own inventory outside a trading venue, subject to transparency and best execution duties.

Related: Execution Venue, Market Maker, Best Execution
Market Maker

A participant that continuously quotes two-way prices in an instrument, providing liquidity and standing ready to buy and sell within disclosed size and spread parameters.

Related: Systematic Internaliser, Liquidity, Bid-Ask Spread
Bid-Ask Spread

The difference between the highest price a buyer will pay and the lowest price a seller will accept, a common measure of liquidity and trading cost.

Related: Liquidity, Market Maker, Transaction Cost Analysis
Liquidity

The ease of buying or selling an instrument quickly at or near prevailing prices without materially moving the market, reflecting depth and trading activity.

Related: Bid-Ask Spread, Market Maker, Slippage
Slippage

The difference between the expected execution price and the actual fill price, often caused by market movement, thin liquidity, or delay in order routing.

Related: Liquidity, Transaction Cost Analysis, Best Execution
Transaction Cost Analysis (TCA)

A method of measuring execution quality by comparing achieved prices against benchmarks such as arrival price, VWAP, or closing price, including explicit and implicit costs.

Related: Slippage, VWAP, Best Execution
VWAP

Volume-weighted average price, calculated by dividing total traded value by total volume over a period; used as an execution benchmark and trading strategy reference.

Related: Transaction Cost Analysis (TCA), Slippage, Best Execution
Trade Reporting

The obligation to report details of executed transactions to the relevant authority or approved reporting mechanism within prescribed timeframes and formats.

Related: Clearing, Settlement, Wash Trade
Clearing

The post-trade process of confirming, matching, and novating trades to a central counterparty that guarantees performance and manages counterparty risk.

Related: Settlement, Central Counterparty, Margin
Settlement

The final transfer of securities against payment, completing a trade and transferring legal ownership to the buyer on the agreed settlement date.

Related: Clearing, Central Counterparty, Settlement Cycle
Central Counterparty (CCP)

An entity that interposes itself between trade counterparties, becoming buyer to every seller and seller to every buyer, and collecting margin to cover default risk.

Related: Clearing, Margin, Settlement
Margin

Collateral posted to cover potential losses on a position, including initial margin at trade inception and variation margin to reflect daily mark-to-market changes.

Related: Central Counterparty (CCP), Leverage, Clearing
Settlement Cycle

The standard period between trade execution and final settlement, commonly two business days (T+2) for many cash equity and bond markets.

Related: Settlement, Clearing, Trade Reporting
Derivative

A financial contract whose value depends on an underlying asset, rate, index, or event, including futures, options, swaps, and forwards.

Related: Futures Contract, Option, Swap
Futures Contract

A standardized exchange-traded agreement to buy or sell an underlying asset at a specified price on a future date, settled daily through variation margin.

Related: Derivative, Margin, Option
Option

A contract giving the buyer the right, but not the obligation, to buy (call) or sell (put) an underlying asset at a set strike price before or on expiry.

Related: Derivative, Futures Contract, Leverage
Swap

An over-the-counter agreement to exchange cash flows or returns between parties, such as fixed for floating interest payments or total return versus a reference rate.

Related: Derivative, Counterparty Risk, Interest Rate Risk
Leverage

Using borrowed funds, margin, or derivatives to control a position larger than the capital committed, magnifying both potential gains and losses.

Related: Margin, Option, Counterparty Risk
Counterparty Risk

The risk that the other party to a trade or contract fails to meet its obligations, most relevant in over-the-counter and bilateral transactions.

Related: Swap, Central Counterparty (CCP), Clearing
Bond Duration

A measure of a bond's price sensitivity to interest rate changes, expressed in years and reflecting the weighted timing of its cash flows.

Related: Interest Rate Risk, Yield to Maturity, Credit Spread
Yield to Maturity

The total return an investor earns by holding a bond to maturity, assuming all coupons are reinvested at that same rate.

Related: Bond Duration, Credit Spread, Interest Rate Risk
Credit Spread

The yield difference between a corporate bond and a comparable government benchmark, reflecting the issuer's perceived default risk and liquidity.

Related: Yield to Maturity, Credit Rating, Interest Rate Risk
Credit Rating

An independent agency's assessment of an issuer's or issue's creditworthiness, expressed on an alphanumeric scale from investment grade to speculative grade.

Related: Credit Spread, Counterparty Risk, Bond Duration
Interest Rate Risk

The risk that changes in market interest rates reduce the value of a fixed income position or alter the cost of funding and hedging.

Related: Bond Duration, Yield to Maturity, Credit Spread
Conflicts of Interest

Situations where a firm's or employee's own interests, or those of another client, could improperly influence decisions made on behalf of a client.

Related: Front Running, Suitability, Inducement
Inducement

A fee, commission, or non-monetary benefit paid or received by a firm in connection with client business that may compromise the duty to act in the client's best interest.

Related: Conflicts of Interest, Best Execution, Transaction Cost Analysis (TCA)
Client Categorization

Classifying clients as retail, professional, or eligible counterparty, which determines the level of protection, disclosure, and suitability obligations owed.

Related: Retail Client, Suitability, Know Your Client (KYC)
Retail Client

A client who does not meet the criteria for professional or eligible counterparty status and therefore receives the highest level of regulatory protection.

Related: Client Categorization, Suitability, Know Your Client (KYC)
Beneficial Ownership

The natural person who ultimately owns or controls an account, security, or entity, identified for anti-money-laundering and transparency purposes.

Related: Know Your Client (KYC), Client Categorization, Settlement
Restricted List

A compliance-maintained list of issuers or securities on which trading is limited or prohibited because the firm holds inside information or has an active advisory mandate.

Related: Inside Information, Insider Dealing, Market Abuse