- Category: Brokerage Business
Prediction Markets Brokers and Event-Based Trading: Should CFD Brokers Care?
Key Takeaways
Prediction markets and event contracts have grown from a niche curiosity to a high-velocity asset class with monthly volumes exceeding $50 billion by June 2026, directly affecting CFD brokers’ competitive positioning and revenue profiles.
CFD brokers must evaluate prediction markets as jurisdiction-specific derivatives: the Commodity Futures Trading Commission supervises event contracts as swaps in the United States, while ESMA’s 2018 retail binary-options ban effectively closes the retail door for EU-licensed firms under MiFID II.
Concrete precedents already exist. Kalshi commands 72.1% of regulated US volume. Robinhood’s Rothera venture owns both exchange and clearing. Plus500 integrated Kalshi sports related event contracts in June 2026 and reported a 24% year-on-year increase in customer income. Interactive Brokers unified access to three prediction market platforms through a single brokerage gateway.
Binary $0–$1 payoffs, oracle-dependent resolution, and B-book conflicts of interest radically alter risk management compared with rolling CFDs or spot leverage products. A broker internalising event contracts is structurally closer to a bookmaker than a market-maker.
The article concludes with a strategic decision checklist illustrating how competitive advantage accrues to brokers that time, structure, and support event-based products with regulatory precision and operational depth.
Direct Answer: Do Prediction Markets Matter to CFD Brokers in 2026?
Prediction markets brokers are brokers evaluating or offering regulated event contracts alongside CFDs, and that category has moved from edge-case product to material revenue line. By mid-2026, Kalshi alone processed $33 billion in a single month; Polymarket crossed $14 billion; and Interactive Brokers offered unified access across three US prediction market platforms. In the US, the CFTC treats many event contracts as swaps under the Commodity Exchange Act, which creates a defined route for brokers considering the product. ESMA, by contrast, confirmed in July 2026 that binary event contracts tied to financial variables fall under the retail binary-options ban.
For brokerage operators, fintech founders, and financial-services executives deciding whether to launch, integrate, or avoid prediction markets, the commercial upside is clear but so are the constraints. Product structure, broker risk, revenue mechanics, and compliance obligations differ sharply from standard CFD distribution, and the wrong setup can create regulatory exposure, hedging problems, or direct conflicts with the target client base.
The viability of prediction market trading for any given brokerage therefore depends on three factors: jurisdiction, execution model, and client profile. US-registered firms have a credible derivatives pathway. EU-licensed operators face a near-total retail prohibition. The rest of this analysis covers market growth, the US-versus-EU regulatory split, event-contract mechanics versus CFDs, broker risk and monetization models, operational requirements, and the build-versus-integrate framework brokerage teams need to decide whether prediction markets fit their platform and business model.
From Fringe Curiosity to Multi-Billion-Dollar Asset Class
Event-Based Trading in Numbers
Tap a tile for the detail behind each figure.
Event contracts began as academic instruments - the Iowa Electronic Markets, launched in 1988, let researchers test whether trading prediction markets on election outcomes could generate accurate forecasts. For decades the concept remained confined to university labs and low-volume platforms. Between 2024 and 2026, that changed completely.
Total global prediction-market volume reached $63.5 billion in 2025 according to DropsTab. Monthly sector volume stood at $29.8 billion in April 2026 and passed $50 billion by June 2026, per TS Imagine. These figures place event contracts alongside established financial markets in terms of notional throughput.
Kalshi, the largest prediction market in the United States, processed $23.8 billion in volume during 2025 and reported a record $33 billion in June 2026 alone, representing 72.1% of regulated US volume. Fee revenue for 2025 reached approximately $263.5 million according to KPMG, with 89% derived from sports contracts. Following a $1 billion Series F led by Coatue, Kalshi's valuation reached $22 billion.
Polymarket, the world's largest prediction market platform by global reach, recorded $10.57 billion in March 2026 and $14 billion by June 2026. Its World Cup 2026 pool attracted a record $4 billion in volume. Intercontinental Exchange invested in the platform, holding roughly a 23% stake, and Polymarket is negotiating a $15 billion valuation. Crypto.com also offers prediction markets for global events, reflecting broader industry expansion.
This growth thesis frames event contracts as an emerging, high-velocity asset class positioned between traditional financial derivatives and sports betting - a space that Wall Street incumbents, crypto-native platforms, and retail-facing brokers are all moving to occupy.
Why Retail Traders Are Migrating to Event Contracts
The migration of retail traders from classic CFDs, spot FX, and options into event-based products is not hypothetical. It is measurable and structural.
Roughly 80% of prediction-market volume is attributable to retail participants according to a Bitget Wallet report. Unique wallets on crypto-native prediction market platforms tripled to 840,000 by February 2026, per DropsTab data. This is a user-driven phenomenon, not an institutional one.
The behavioural draw is straightforward. Each contract pays $1 if the outcome is correct and $0 if not. Contracts are typically priced between $0.01 and $0.99, and prices reflect the market's implied probability of an event. The maximum loss equals the premium paid. There are no Greeks to manage, no margin calls, and no stop-outs. Users can trade out of positions at any time to lock in gains or limit losses. Compared with leveraged CFD products - where traders face complex delta and gamma exposures, rolling financing costs, and potential negative balances - event contracts offer a structurally simpler risk profile. Traders use real money, but the payoff mechanics compress decision-making into shorter timeframes.
Short-duration markets, sometimes lasting minutes to days, further compress the trading cycle and increase session frequency. Leverate reports a 127% increase in user engagement and up to 3x higher user acquisition for brokers that offer prediction markets alongside traditional instruments, with a projected 15–25% revenue lift for those that integrate event markets. These figures explain why CFD brokers are at least evaluating the space, even if full deployment raises regulatory and operational questions.
Product Anatomy: How Prediction Markets Work Compared with CFDs
Prediction markets can resemble betting markets in how prices reflect collective probabilities, but they trade on contract structures tied to diverse topics such as politics, economics, and sports. Event contracts on IBKR, for example, start as low as $0.01 each. A typical contract poses a yes/no question - "Will CPI exceed 4.0% in Q3 2026?" or "Will Team X win the World Cup final?" - and settles at $0 or $1 based on the verified outcome. Contracts can also be based on sports events and pop culture outcomes, economic prediction markets cover inflation and interest rate outcomes, and climate prediction markets trade on measurable climate indicators. Markets resolve when the final event outcome is known.
Prediction markets provide real-time probability estimates based on aggregated information. A price of $0.38 for a "Yes" contract implies a 38% probability, similar to how odds in betting markets are dynamically priced through supply and demand, as the crowd thinks the event is more likely not to happen. Markets can quickly incorporate new information, enhancing accuracy by adjusting market price continuously.
Contrast this with CFDs. A CFD tracks an underlying asset's continuous price movement. P&L floats with the market. Margin requirements apply. Overnight financing accrues. The risk profile is path-dependent and open-ended without protective stops. Event contracts, by comparison, have fixed maximum loss, fixed settlement, and no financing.
Specific branded instruments illustrate the breadth. Cboe launched "Cboe Predicts" in June 2026, offering binary options on the Mini-S&P 500 (XSP) with a $0–$100 payout zone targeting financial events. Interactive Brokers' ForecastEx forecast contracts settle into fixed outcomes on macro and financial variables, while ForecastEx contracts also cover economic events such as central bank decisions about the next meeting rate path. These differences in settlement mechanics, pricing models, and hedging implications affect broker risk and revenue in ways the comparison table later in this article will detail.
Regulatory Fork in the Road: CFTC Event Contracts vs ESMA and MiFID II
Regulatory treatment is the central factor in deciding whether CFD brokers should pursue prediction markets. Prediction markets are regulated differently across jurisdictions, and the divergence between the United States and the European Union defines the opportunity.
In the US, the CFTC oversees prediction markets as financial derivatives under the Commodity Exchange Act. In January 2026, CFTC Chair Michael Selig withdrew a proposed ban on certain event contracts, signalling regulatory acceptance of the category. A divided Third Circuit ruling subsequently affirmed exclusive CFTC jurisdiction over event contracts, pre-empting state gambling law - a significant legal precedent. Prediction markets allow trading on political outcomes like elections, and the Trump administration's broader deregulatory posture has contributed to a more permissive environment for political markets, including election prediction markets and election betting on presidential election outcomes.
Despite this clarity, 19 federal lawsuits remain active, and 38 state attorneys general continue to argue that event contracts constitute gambling. The legal landscape is therefore a grey area in practice - not a settled question. Polymarket was banned in the US from 2022 to 2025, illustrating that enforcement actions can happen even in an ostensibly liberalising environment.
The EU stance is sharper. ESMA's July 2026 public statement confirmed that binary event contracts tied to financial variables are MiFID II financial instruments and fall under the 2018 retail binary-options ban. Relabelling payoffs as a "coupon" or "reward" does not escape the ban. For EU-licensed CFD brokers, retail prediction markets are effectively off-limits. Only distribution to professional clients under investment-firm authorisation remains a theoretical pathway, but market demand at that tier is unproven.
Operators should evaluate jurisdiction before product scope. The regulatory fork is not converging.
Global Regulatory Map: US, EU and Offshore Treatment Compared
No jurisdiction anywhere has a bespoke prediction-market regulatory framework, according to TS Imagine. Access is fragmented and often venue-specific. The table below summarises the three main regulatory zones relevant to CFD brokers evaluating prediction markets.
|
Dimension |
United States (CFTC) |
European Union (ESMA / MiFID II) |
Offshore / Rest of World |
|---|---|---|---|
|
Classification |
Swaps / event contracts under Commodity Exchange Act |
Financial instruments under MiFID II (if tied to financial variables) |
Varies: betting, derivatives, or unaddressed |
|
Retail access |
Permitted via CFTC-regulated DCMs (Kalshi, ForecastEx, CME, Rothera) |
Banned for retail clients under binary-options prohibition |
Mixed; some permit, some restrict |
|
Broker licensing |
Futures Commission Merchant or introducing-broker registration; DCM/DCO for exchanges |
Investment-firm authorisation under MiFID II; national competent authority oversight |
Gambling licence, financial-services licence, or none required depending on jurisdiction |
|
Election / political markets |
Permitted; election prediction markets and popular vote contracts actively traded |
Not specifically addressed; likely caught under binary-options ban if financial variable linked |
In the UK, prediction markets are classified as betting platforms; Spain banned Kalshi and Polymarket for operating without a licence in 2026 |
|
Crypto-native platforms |
Subject to CFTC enforcement; Polymarket restricted 2022–2025 |
Likely subject to MiFID II and/or MiCA |
Permitted in many jurisdictions; some Middle East and APAC regulators restrict access |
|
Key risk |
Ongoing litigation (19 federal suits, 38 state AGs) |
Regulatory certainty - but certainty of prohibition |
Regulatory arbitrage risk; sudden enforcement actions |
Case Studies: How Brokers and Exchanges Are Already Reacting
Early-mover brokers and exchanges have set concrete precedents. CFD-style operators can study these models before committing capital and compliance resources.
Robinhood traded approximately 9 billion event contracts in Q1 2026. Rather than routing to third-party exchanges indefinitely, Robinhood formed the Rothera joint venture - 45% Robinhood, 45% Susquehanna (SIG), 10% MIAX - to operate a CFTC-licensed exchange and derivatives clearing organization. Rothera functions as both a Designated Contract Market and a Derivatives Clearing Organization, allowing Robinhood to capture execution economics rather than paying venue fees. This is the "build the exchange" model taken to its logical end. A clearing member structure ensures that the venture controls its own risk stack.
Plus500 integrated CFTC-regulated Kalshi sports event contracts for US customers in June 2026. Kalshi and Plus500 are CFTC-regulated prediction market platforms in the US. H1 2026 customer income rose 24% year-on-year to a five-year high of $460.8 million, and Q2 2026 ARPU increased 7% to $1,683, per LiquidityFinder. While multiple factors contributed, the timing aligns with event-contract integration.
Interactive Brokers LLC adopted a brokerage-as-gateway model, unifying access to Kalshi, CME Group, and ForecastEx event contracts within its Trader Workstation and other trading platforms. Interactive Brokers offers access to three major US prediction markets, making predictions on future events accessible alongside equities, options, and futures. ForecastEx LLC passed $1 billion in cumulative notional by January 2026. This approach avoids exchange ownership but captures routing fees and deepens client relationships.
Cboe's launch of "Cboe Predicts" in June 2026 - binary options on Mini-S&P 500 (XSP) - signals that established derivatives exchanges view event contracts as adjacent to index options rather than gambling, providing institutional legitimacy.
Market Microstructure: How Prediction Markets Trade Under the Hood
Prediction markets mostly operate on central limit order books, but specific mechanics distinguish them from FX or index CFD venues. High-quality platforms provide live order books and historical price charts for users, and the underlying matching logic differs materially.
Automatic order inversion is foundational. A bid for "Yes" at $0.60 creates a mirrored offer for "No" at $0.40, deepening both sides of the book simultaneously. This is structurally impossible in CFDs, which track a single underlying rather than two opposing claims. The inversion mechanic means that liquidity in prediction markets is self-reinforcing - every order generates its complement.
Constant-product AMMs fail. Automated market makers common on decentralised exchanges underperform for event contracts because prices must converge to exactly $1 or $0 at resolution. Passive liquidity providers suffer 10–12% annual loss-versus-rebalancing according to ChainUp analysis, which is why serious venues - Kalshi, ForecastEx, Cboe Predicts - run central limit order books rather than pool-based pricing.
Liquidity in prediction markets concentrates around binary resolution dates, producing sharp intraday volume spikes and thin off-cycle books. Liquidity in prediction markets ensures tight bid-ask spreads and easier order execution during peak periods, but spread management and internal hedging become materially harder for CFD brokers accustomed to continuous underlying prices that depend on robust liquidity aggregation across venues.
Forecast accuracy behaves counter-intuitively. Prediction markets outperformed 74% of opinion polls from 1988 to 2004. Yet in 2016, prediction markets were 12% less accurate than polling, and prediction markets failed to predict the 2016 US election outcome accurately. Position-capped PredictIt reached 93% forecast accuracy in the 2024 US election while uncapped Polymarket managed only 67%, per arXiv research. Prediction markets can aggregate diverse opinions into accurate forecasts, but unlimited liquidity does not guarantee superior informational efficiency. This matters to brokers evaluating whether to use prediction-market data as a hedge signal or risk input.
Risk Transfer and Conflicts of Interest in CFD-Style Event Markets
Internalisation and B-book models carry fundamentally different ethical and balance-sheet implications in binary event contracts than in continuous CFD markets.
Resolution depends on human or oracle interpretation of discrete events - "official CPI print above 4.0%" or "winning candidate declared by Associated Press." Clear contract resolution processes are crucial for reducing uncertainty in prediction markets, but any ambiguity exposes an internalising broker to toxic flow from traders with non-public information or specialist data channels. Economic events, sports results, and election outcomes each present distinct oracle risks.
A B-book CFD broker offering event contracts in-house effectively becomes the house. It absorbs 100% of net client losses and gains per question. In continuous markets, a CFD market-maker or zero-commission broker profits from spread and financing with hedging options against the underlying. In binary markets, the broker's P&L on a single question is zero-sum against its clients - a sharper conflict of interest with no continuous hedging instrument available. Financial incentives for the broker and the client are directly opposed.
Hedging binary exposures with linear instruments is structurally difficult, especially for idiosyncratic events. A broker can hedge S&P 500-linked binaries against futures or use prime of prime liquidity relationships to access offsetting flows, but election prediction markets, climate milestones, or sports outcomes lack deep corresponding futures or options markets. The risk is absorbed, not transferred.
Mis-specified resolution criteria introduce legal and reputational risk that rarely exists in FX or index CFDs. Disputes over results - contested election outcomes, revised economic data, ambiguous sports rulings - create liability. Financial advisors monitoring client suitability may flag event contracts as inappropriate for certain segments, adding compliance friction.
Operational Challenges: Client Portal, CRM, and Compliance Stack
Event contracts touch every layer of a brokerage's infrastructure. They are not a bolt-on widget. Brokers connect traders to prediction markets without taking the opposite side of trades (in an A-book model), but the operational complexity remains substantial regardless of execution model.
Onboarding and compliance: KYC/AML checks must reflect whether products are classified as derivatives or gambling in the broker's jurisdiction. Client-category controls must differentiate professional from retail access, particularly under MiFID II. Suitability questionnaires addressing gambling-like behaviour and short-term speculation become necessary. Whether an account is FDIC insured or holds funds in segregated trust accounts depends on the venue and the jurisdiction.
CRM and client portal changes: New product categories require contract-level disclosures, education sections explaining binary settlement, and dashboards that avoid gamification while supporting frequent traders. A client portal must display event-contract positions alongside multi-asset holdings - equities, FX, crypto - with unified reporting. Online brokers must present same information across devices with consistent data integrity.
Risk and finance infrastructure: P&L attribution by market question, oracle or data-source management, incident workflows when resolutions are challenged, and reconciliation processes with external venues such as Kalshi, ForecastEx, or CME Group all require system-level support. Brokers must also consider how clients earn interest on uninvested cash when capital is allocated to binary positions.
Enterprise-grade security and data-segregation remain non-negotiable because event contracts coexist with multi-asset portfolios on the same login and reporting stack. Any compromise affects the full book.
Revenue Model Comparison: Prediction Markets vs Classic CFDs
Event-contract economics differ materially from spread-and-financing-based CFD revenue, even when the same end-clients are served through the same broker. Platform fees and costs in prediction markets can significantly impact traders' profits, and the broker's revenue levers reflect this.
Prediction-market revenue levers: per-contract fees (cents per lot, as charged by Kalshi and ForecastEx), maker-taker structures on central limit order books, exchange rebates for providing liquidity, and shared economics when routing to external venues. There is no overnight rollover. No financing margin. Revenue scales with contract count and fee rate.
CFD income levers: spreads, overnight financing, currency conversion margins, and occasional commissions. A rolling CFD position generates continuous revenue for the broker; a binary contract generates a single fee at execution. The revenue density per unit of client attention is structurally lower for event contracts unless volumes compensate.
Concrete data illustrates the scale. Kalshi generated approximately $263.5 million in fee revenue in 2025 from $23.8 billion in notional volume. Plus500 reported a 24% year-on-year customer-income increase and 7% ARPU uplift to $1,683 in Q2 2026 after integrating US event contracts. Robinhood's Rothera venture is designed to capture exchange-side economics - not just routing fees - by owning the matching and clearing infrastructure.
Operators must model cannibalisation risk. If existing high-margin CFD clients migrate volume into lower-fee prediction markets, net revenue per client may decline. Cross-sell upside from increased engagement and higher user acquisition partially offsets this, but the net effect depends on fee structure, product mix, and client behaviour. Investors evaluating broker equity should factor in how revenue composition shifts as event contracts scale.
Build vs Integrate: Infrastructure Decisions for Brokers
For most CFD brokers, the strategic question is not "prediction markets yes or no" but "own the venue or integrate an external exchange." The answer depends on scale, ambition, and regulatory posture.
The build path is what Robinhood chose through Rothera. Building an exchange requires CFTC licensing (DCM and DCO designations), matching-engine development, market surveillance systems, independent governance, and clearing-member infrastructure. This path captures execution economics and controls the product roadmap but demands significant capital, regulatory expertise, and multi-year commitment. It is realistic only for platforms with substantial existing user bases and deep balance sheets. Brokers wanting to continue operating across asset classes must ensure that exchange-building does not distract from core brokerage operations.
The integration path involves connecting to regulated exchanges - Kalshi, CME event contracts, ForecastEx - via APIs or vendor bridges. The broker manages client relationships, onboarding, and account management while external venues handle matching and resolution. Interactive Brokers exemplifies this model. Revenue comes from routing fees and spread on client engagement, not exchange-level economics.
White-label prediction-market modules from B2B vendors like Devexperts and Leverate can reportedly deploy in 7–14 days, reducing time-to-market dramatically. The build-versus-integrate choice is therefore primarily an infrastructure and compliance question, not one of feature invention. Brokers should go to market with a clear view of whether they intend to own the value chain or participate in it. Decision-makers should weigh time-to-market, regulatory footprint, operational overhead, and ability to support multi-venue smart-routing before committing.
Prediction Markets vs CFDs: Structural Comparison Table
The following table distils the structural differences between prediction markets (event contracts) and CFDs across seven dimensions that affect broker operations, risk, and revenue.
|
Dimension |
Prediction Markets (Event Contracts) |
CFDs |
|---|---|---|
|
Underlying |
Discrete future events (elections, economic data, sports, world events) |
Continuous asset prices (FX, indices, commodities, equities) |
|
Settlement |
Binary: $0 or $1 (or $0–$100 on some venues) at resolution |
Mark-to-market; continuous floating P&L |
|
Pricing |
Probability-based; price = implied probability of outcome |
Derived from underlying asset price plus spread |
|
Leverage & margin |
None in most structures; maximum loss = premium |
Leveraged; margin required; potential for losses exceeding deposit |
|
Regulation |
CFTC (US swaps); MiFID II binary-options ban (EU); gambling law (some jurisdictions) |
MiFID II CFD regime (EU); national regulator oversight globally |
|
Broker revenue model |
Per-contract fees; maker-taker; exchange rebates |
Spread; overnight financing; commissions; currency conversion |
|
Typical holding period |
Minutes to days; compressed around event resolution |
Hours to weeks; open-ended |
Strategic Decision Checklist for Broker Operators
Should Your Brokerage Add Event Contracts?
Three questions from the decision checklist. Answer honestly — the verdict maps to the article's framework.
The following checklist is designed for CEOs, COOs, and heads of trading evaluating whether and how to add event contracts to their brokerage product suite.
Jurisdictional fit: Is the firm CFTC-facing, ESMA-supervised, or offshore-licensed? Prediction markets legal status varies by territory, and the answer determines product scope entirely.
Execution model: A-book routing to exchanges (Kalshi, ForecastEx, CME) or B-book internalisation? Internalisation creates house-like risk and subject the broker to sharper conflict-of-interest scrutiny.
Client mix: Speculative retail seeking short-duration bets on real world events, or professional clients hedging against specific economic or political events? Product design and suitability obligations differ by segment.
Technology readiness: Can core CRM, client portal, and back-office systems absorb a new binary product line? Position tracking, resolution handling, and multi-venue reporting are non-trivial additions to any trading platform.
Compliance posture: How does the firm classify products with gambling-like behaviour characteristics? What disclosures and suitability controls are in place for making predictions on future outcomes?
Hedging capability: Does the broker have access to venues - Kalshi, CME, ForecastEx, or Cboe Predicts - that enable offsetting of directional event-contract exposure?
Revenue modelling: Has the firm modelled cannibalisation of higher-margin CFDs against acquisition and engagement uplift? What is the forecast outcome on blended ARPU?
Data and oracle governance: Is there an incident framework for disputed resolutions, revised data releases, or ambiguous event definitions?
Multi-asset expansion decisions ultimately rest on whether a broker's core technology platform - CRM, client portal, back office - can absorb a new product line, and platforms such as WxTrade are designed around that operational core.
Competitive advantage accrues to brokers that time entry to align with regulation, design transparent risk frameworks, and treat prediction markets as part of a coherent multi-asset strategy rather than a short-term acquisition tactic.
FAQs: Prediction Markets, Event Contracts, and CFD Brokers
The following addresses common operator-level questions that extend beyond the main narrative.
Can CFD Brokers Offer Prediction Markets to Their Clients?
It depends on jurisdiction. In the United States, CFD brokers with appropriate CFTC registration or introducing-broker status can route clients to regulated prediction market platforms such as Kalshi, ForecastEx, or CME Group event contracts. In the EU, ESMA's binary-options ban prevents retail distribution of event contracts tied to financial variables. Offshore brokers face varied treatment depending on local classification. Brokers can have various regulatory compliance requirements based on geographic location.
Are Prediction Markets Legal in Europe Under MiFID II?
ESMA confirmed in July 2026 that binary event contracts tied to financial variables are MiFID II financial instruments caught by the 2018 retail binary-options ban. Relabelling payoffs as a "coupon" or "reward" does not change the classification. EU-licensed brokers cannot offer prediction markets to retail clients if the contracts reference financial underlyings. Distribution to professional clients may remain possible under investment-firm authorisation, though demand at that tier is limited.
What Is the Difference Between Prediction Markets and CFDs?
Prediction markets settle at $0 or $1 based on whether a discrete event happens. CFDs track continuous underlying prices with floating P&L, margin, and financing costs. Event contracts carry fixed maximum loss and no leverage. CFDs can produce losses exceeding the initial deposit. Revenue models differ: event contracts generate per-contract fees, while CFDs produce spread, financing, and commission income.
Are Event Contracts Gambling or Financial Derivatives?
Classification varies. The CFTC treats event contracts as swaps - financial derivatives - under the Commodity Exchange Act. ESMA classifies binary event contracts as financial instruments under MiFID II. Some US state attorneys general and several international regulators classify certain event contracts as gambling. The answer depends on jurisdiction, underlying, and regulatory interpretation. No universal consensus exists.
How Do Brokers Make Money From Prediction Markets?
Revenue comes primarily from per-contract trading fees, maker-taker spreads on order books, and exchange rebates. Brokers routing to external venues earn routing or access fees. Brokers owning their own exchange - like Robinhood's Rothera venture - capture matching and clearing economics. Unlike CFDs, there is no overnight financing revenue from event contracts.
Which Brokers Already Offer Event Contracts?
Interactive Brokers offers access to Kalshi, CME Group, and ForecastEx event contracts. Robinhood operates through the Rothera exchange and clearing joint venture. Plus500 integrated Kalshi sports event contracts for US customers in June 2026. Cboe launched "Cboe Predicts" binaries on Mini-S&P 500. Polymarket serves global users on a crypto-native basis. Each operates under different regulatory frameworks with different eligible customer profiles.
What Are the Risks for Brokers Adding Prediction Markets?
Key risks include regulatory uncertainty (ongoing US litigation, EU prohibition), oracle and resolution disputes, B-book conflicts of interest, cannibalisation of higher-margin CFD revenue, thin off-cycle liquidity, and operational complexity across CRM, compliance, and back-office systems. Brokers internalising event contracts face direct zero-sum exposure to client outcomes, a structurally sharper conflict than in continuous markets.