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Exchanges & platforms

The place where buyers and sellers meet under common rules and an open price is formed.

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Its role in the system

The gateway to the markets: the place where buyers and sellers of shares, bonds, derivatives and crypto assets meet under rules that are the same for everyone. An exchange does not buy or sell itself — it matches orders, forms a public price and polices fair trading. How quickly and cheaply a company raises capital, and an investor buys or sells an asset, depends on it.

Functions

  1. Matching orders and forming prices — the order book and the matching engine bring buyers and sellers together; the price of a trade becomes a public reference point for the whole economy.
  2. Listing — admitting shares and bonds to trading: disclosure requirements, IPOs. Exchange prices are the raw material for stock indices, which are calculated by index providers (S&P Dow Jones Indices for the S&P 500, ISS STOXX of the Deutsche Börse group for the DAX). Exchanges compete for listings: 🇭🇰 Hong Kong ranked first in the world for IPO proceeds in 2025 (272.1 billion Hong Kong dollars across 100 listings), and about half of that came from mainland Chinese companies already traded at home adding a second listing in Hong Kong ("A+H").
  3. Liquidity — the ability to sell an asset quickly without a big discount; it is supplied by market makers, who continuously quote buy and sell prices.
  4. Standardised derivatives — futures and options on rates, indices, oil, metals and grain (🇺🇸 CME, ICE; 🇩🇪 Eurex; 🇬🇧 LME). 🇯🇵 inside Japan Exchange Group the roles are split between venues: shares trade on the Tokyo Stock Exchange and derivatives on the Osaka Exchange, whose core instruments are futures and options on the Nikkei 225 index.
  5. Market data and trade surveillance — selling real-time quotes, detecting manipulation and insider dealing, and automatic trading pauses when prices crash (circuit breakers).
  6. 🇨🇳 China: reaching the market through linked exchanges — the mainland venues in Shanghai, Shenzhen and Beijing are closed to free entry by foreigners, so access runs through the Stock Connect mechanism (Shanghai–Hong Kong since November 2014, Shenzhen–Hong Kong since December 2016): the home exchange takes the order, routes it to the partner exchange and settles it through a link between the two depositories, within daily volume quotas. That is how foreign investors gained access to mainland Chinese shares (the Shanghai exchange with its STAR board, Shenzhen with ChiNext, and for small companies the Beijing Stock Exchange, created in 2021), and Chinese investors gained access to Hong Kong.

What makes it special

  • How it earns: trading fees, listing fees, sales of market data and of server space next to the exchange (colocation). The large exchanges are public companies themselves: the NYSE belongs to the ICE group, Xetra and Eurex to Deutsche Börse, the London Stock Exchange to LSEG.
  • Not one exchange but a network of venues: alongside exchanges there are alternative systems (🇪🇺 MTFs, 🇺🇸 ATSs) and “dark pools”, where large orders are executed without being published first so as not to move the price. One share trades on many venues, and a broker is obliged to seek the best execution for the client.
  • Who regulates: the market regulator — 🇺🇸 the SEC (the CFTC for derivatives), 🇪🇺 national authorities coordinated by ESMA (BaFin, the AMF), 🇬🇧 the FCA. In the EU the rules for trading venues are set by MiFID II / MiFIR.
  • Crypto exchanges are a different model: centralised ones (CEXs: Binance, Coinbase) often combine the exchange, the broker and the custodian of client assets in a single company — exactly the conflict that destroyed FTX. Decentralised ones (DEXs: Uniswap, dYdX) run as smart contracts with no intermediary. In the EU crypto platforms are licensed under the MiCA regulation.
  • Speed is a business of its own: a large share of trading is algorithmic, high-frequency in particular; the edge is measured in microseconds, which makes a modern exchange first and foremost an IT company.

Why it matters

When an exchange stops or fails, companies cannot raise capital, investors cannot get out of positions, and the prices used to value pension fund assets and bank collateral lose their meaning.

🇺🇸 The “flash crash”, 6 May 2010

in a matter of minutes the Dow Jones index fell almost 1,000 points and recovered just as fast; individual shares briefly traded at a cent. An SEC and CFTC investigation showed that one large algorithmic sale of futures set off a chain reaction in an already nervous market — after which automatic trading pauses for individual shares were introduced.

🇺🇸 The Facebook IPO on Nasdaq, May 2012

On the day of what was then the largest technology IPO, Nasdaq's systems could not cope with the flood of orders: the start of trading was delayed, and thousands of participants spent hours not knowing whether their orders had been filled. Brokers took hundreds of millions of dollars of losses, and the SEC fined Nasdaq 10 million dollars — a record for an exchange at the time. The case shows that the reliability of an exchange is above all the reliability of its technology.

🇧🇸 The collapse of FTX, November 2022

one of the world's largest crypto exchanges went bankrupt in a few days when customers rushed to withdraw their money. It emerged that client money had for years been secretly used by Alameda Research, a trading firm tied to the founder; Sam Bankman-Fried was sentenced to 25 years in prison. The lesson: an exchange, a broker and a custodian in one pair of hands with no supervision is a direct risk to clients.

Links to other zones · 12

  • Clearing & settlementEvery trade struck on Exchanges & platforms goes to Clearing & settlement: a central counterparty guarantees it and a depository moves the securities.
  • Commodities marketPrices in the Commodities market — oil, metals, grain — are formed on the commodity venues of Exchanges & platforms (ICE Brent, LME, CME).
  • Crypto / DigitalCentralised and decentralised venues inside Exchanges & platforms are where Crypto / Digital assets change hands and where their price is set.
  • Debt marketBonds are listed on Exchanges & platforms yet mostly trade away from them: on the Debt market a dealer quotes the price, while the exchange is needed for admission, transparency and index inclusion.
  • DerivativesCME, ICE and Eurex are the main venues inside Exchanges & platforms for listed Derivatives on rates, indices and currencies.
  • Financial Market InfrastructureFinancial Market Infrastructure licenses Exchanges & platforms and polices the fairness of trading (🇺🇸 SEC, 🇪🇺 ESMA, 🇬🇧 FCA).
  • Financial Media & DataQuotes from Exchanges & platforms are the raw material of Financial Media & Data — Bloomberg, LSEG Data and every trading terminal.
  • Investment & Pension FundsExchanges & platforms give Investment & Pension Funds a second market: listing under the venue's rules, market makers obliged to quote, and creation and redemption by authorised participants, which keeps an ETF's price close to the value of its assets.
  • Ratings & IndicesPrices made on Exchanges & platforms are the raw material of indices: the providers inside Ratings & Indices calculate equity benchmarks from them, and large exchange groups often own the index business itself.
  • Retail accessRetail access brings the orders of ordinary investors to Exchanges & platforms through brokers and investing apps.
  • Stock marketExchanges & platforms host IPOs and the daily trading of shares and ETFs; index providers build equity indices from the Stock market prices formed there.
  • Technology & InfrastructureAn exchange today is first of all a technology firm: Technology & Infrastructure gives Exchanges & platforms the matching engine, the market data feeds and colocation racks, where advantage is measured in microseconds.

Regulation and supervision

Supervised by: Financial Market Infrastructure

An exchange is licensed as a trading venue and must publish prices and volumes before and after trades, monitor suspicious orders, withstand load and have a plan for outages: 🇪🇺 MiFID II/MiFIR and the Market Abuse Regulation, 🇺🇸 the SEC with Reg NMS and Reg SCI, 🇯🇵 the JFSA.

Standards: IOSCO Objectives and Principles of Securities Regulation · EU MiFID II 2014/65 / MiFIR 600/2014 (as amended by 2024/791) · EU Market Abuse Regulation 596/2014 · EU DORA 2022/2554 · US Reg NMS, Reg SCI, Exchange Act

Careers in this zone · 6

Listing manager

Works with companies that want to come to the exchange or are already traded on it: explains disclosure requirements, runs the IPO alongside investment banks and lawyers, and makes sure issuers report on time. At the same time “sells” their exchange to companies choosing where to list.

What you need to know

  • Listing rules and prospectus requirements
  • The IPO process and the roles involved: underwriter, lawyers, auditor
  • Corporate governance of public companies
  • The basics of business valuation and financial statements

Skills

  • B2B negotiation with founders and CFOs
  • Project management against deadlines
  • Presenting to company boards
  • Precision in handling regulatory documents

Certifications: Usually not required — experience in investment banking or corporate finance is what counts; the CFA is a plus

Market surveillance analyst

Reviews the alerts from the monitoring system every day: sharp price moves, suspicious orders, trades placed just before important news. Works out whether it is manipulation or insider dealing and prepares the file for the regulator. Sits inside an exchange or a broker, unlike an inspector at a state regulator.

What you need to know

  • Types of market abuse: spoofing, pumping a price, insider dealing
  • Regulation: 🇪🇺 the Market Abuse Regulation (MAR), 🇺🇸 SEC and FINRA rules
  • Market microstructure: the order book, order types, market making
  • The logic of algorithmic trading

Skills

  • Analysing large volumes of order data (SQL, Python)
  • Reconstructing a sequence of events millisecond by millisecond
  • Clear reports for the regulator
  • Scepticism and an eye for patterns

Certifications: ICA or CISI courses on market abuse are useful; in the United States, FINRA licences for work at a broker-dealer

Exchange product manager (derivatives, indices, data)

Invents and launches new instruments: a future on a new commodity, a short-dated option, an index or a market data package. Studies which market participants need the product, agrees the contract terms with clearing and the regulator, and watches whether liquidity actually appears in it.

What you need to know

  • The mechanics of futures and options, contract specification
  • The needs of hedgers, funds and market makers
  • Index methodologies
  • How regulators and CCPs admit new products

Skills

  • Customer research among professional participants
  • Unit economics of a product
  • Coordinating IT, clearing and lawyers
  • Trading volume analytics

Certifications: Not required; the CFA or FRM help you speak the clients' language

Low-latency trading systems engineer

Builds and maintains the “heart” of an exchange or a trading firm: the matching engine, the gateways for participants, the market data feed. Microseconds count here, and a failure costs millions — as the Knight Capital case showed.

What you need to know

  • Trading protocols (FIX, exchanges' binary protocols)
  • How a matching engine works and the rules of order priority
  • Networks and hardware acceleration (OS kernel, FPGA)
  • Regulatory requirements on the resilience of trading systems

Skills

  • C++ / Java / Rust for high-load systems
  • Measuring and optimising latency
  • Release discipline: tests, staged rollout, rollback
  • Handling incidents in real time

Certifications: Usually not required — experience and a portfolio decide

Market maker / liquidity trader

Continuously quotes buy and sell prices, earning the difference between them (the spread) and taking the risk if the market moves sharply. Works at a specialist trading firm or a bank, often under an agreement with the exchange that requires quotes to be maintained. Most decisions are taken by algorithms; the trader tunes and supervises them.

What you need to know

  • Market microstructure and option pricing
  • Position management and hedging
  • Probability theory and statistics
  • Exchange rules for market makers

Skills

  • Fast mental arithmetic and decisions under pressure
  • Python / C++ for strategies
  • Discipline about risk limits
  • Analysing trade outcomes

Certifications: Usually not required; in the United States traders at broker-dealers sit FINRA exams (Series 57, for example)

Crypto exchange listing and risk analyst

Decides which tokens to admit to trading: checks the project team, the smart contracts, the token distribution and the risk of fraud. Watches for manipulation, abnormal withdrawals and links between wallets and sanctioned addresses.

What you need to know

  • Blockchains, tokenomics, DeFi protocols
  • Common fraud patterns: rug pulls, pump-and-dump, wash trading
  • Regulation: 🇪🇺 MiCA, FATF requirements on virtual assets
  • On-chain analytics tools

Skills

  • Investigating transactions on a blockchain
  • Reading technical documentation and smart contract audits
  • Structured conclusions for the listing committee
  • Independence from the pressure of “hot” projects

Certifications: There are few industry standards; certifications in blockchain investigation (Chainalysis, for example) and CAMS are useful

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