DraftKings Predictions volume reaches $3.1B in May, growth pace eases

La Liga's Osasuna reportedly hedged relegation risk with €1.2M Kalshi bet

South Korea targets individual Polymarket users after $52M Seoul election market

OneFootball and Polymarket partner to embed football prediction markets

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Polymarket traders push Claude Mythos release odds to 74% for June 10

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Polymarket Clarity Act odds fall to 47% ahead of White House illicit-finance meeting

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Susquehanna's Maletz details prediction market market-making on Bloomberg podcast

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Top Stories

CFTC approves first U.S. bitcoin perpetual futures for Kalshi and Coinbase

Kalshi's CFTC blessing and rapid altcoin filings give U.S. traders a regulated onshore perpetual futures venue for the first time, directly challenging the offshore perp market that Hyperliquid dominates.

Polymarket CMO sent $2.5M via personal PayPal to 800+ influencers: reports

Any pattern of undisclosed paid promotion inflating perceived market sentiment will push the CFTC to treat Polymarket's marketing and surveillance gaps as market-integrity violations. Traders relying on organic price signals face asymmetric information risk if promoted odds embed hidden advertising spend.

Sportradar signs multi-year global data deal with Kalshi for sports event contracts

DRW, Wintermute, and IMC opened dedicated prediction market desks on Kalshi just days ago; Sportradar's official feeds now give those market makers verified MLB, NHL, MLS, and UFC settlement data, reducing operational risk and letting them quote tighter spreads on sports event contracts.

EDGE Markets raises $29.2M Series A for prediction market bank and payment rail

Any prediction market operator on a CFTC-regulated exchange can now plug into real-time deposits instead of relying on legacy banking correspondents. If EDGE Pro captures market maker flow, it becomes the default financial layer beneath Kalshi and Polymarket's trading surfaces.

Robinhood splits World Cup contracts across in-house platform, Rothera, and Kalshi

Robinhood's three-way routing gives Rothera direct access to the brokerage's fastest-growing product line while leaving Kalshi competing for remnant share. Any sustained migration forces Kalshi to replace Robinhood's retail flow just as Polymarket captures exclusive distribution through OneFootball and Bitget Wallet.

CFTC charges second individual in a month with insider trading of event contracts

This second charge in just over a month signals the CFTC is building a repeat-player insider-trading docket against event contract markets, not pursuing one-off cases. Any third charge would likely force Polymarket and Kalshi to pre-emptively deploy surveillance upgrades or face co-defendant exposure.

Soldier's lawyers return to court in $400,000 Polymarket insider trading case

Polymarket faces multiple DOJ prosecutions over insider trading on its platform, multiplying enforcement exposure beyond any single case. Any conviction would harden the misappropriation theory the CFTC can deploy against prediction-market surveillance gaps.

Ad watchdog NAD to refer Kalshi to FTC after inquiry no-show

Any FTC finding of deceptive influencer advertising would subject Kalshi to consent decrees and civil penalties under Section 5 of the FTC Act, creating a parallel federal enforcement track separate from its existing CFTC and state regulatory exposure. The referral tests whether self-regulatory no-shows accelerate formal government investigations.

KuCoin Web3 Wallet integrates Polymarket for in-wallet prediction trading

Polymarket now has four active retail distribution integrations — OneFootball, Wallet, Stocktwits, and KuCoin — ahead of the World Cup, while Kalshi's comparable pipeline remains anchored to single-platform broker deals like Moomoo and Robinhood.

Congresswoman Titus asks inspector general to probe CFTC's prediction market oversight

The inspector-general probe puts every CFTC designation and enforcement action under potential delay while the review runs, freezing the timeline for Kalshi and Polymarket's pending Minnesota preemption hearing on August 1. Any finding of procedural irregularity in the agency's guidance withdrawal invites congressional riders that strip the CFTC of event-contract jurisdiction entirely.

Kalshi hits $17.91B May volume record as Polymarket falls to lowest since January

Kalshi's ninth straight monthly record gives it hard volume evidence for its $1 billion Series F pitch that regulated markets can drain offshore liquidity. Any sustained gap threatens Polymarket's ability to match that valuation premium, especially after its eight-month growth streak ended earlier this month.

Kalshi traders cut Maine Senate Democratic odds to 60% as Platner scandal deepens

Kalshi's political contracts repriced on scandal headlines with limited disclosed volume or depth, leaving traders unable to distinguish conviction from noise.

N.M. attorney general Torrez sues Kalshi over alleged illegal sports betting

Any adverse ruling in New Mexico arms regulators in Ohio, Pennsylvania, Wisconsin, and Minnesota with state-court precedent that CFTC designation does not preempt local gambling law. Kalshi must now defend on a third front alongside its federal preemption cases in Minnesota and Rhode Island.

Tech

Binance Wallet opens prediction markets API for developers and trading bots

Binance's API launch puts it in direct competition with Kalshi's new terminal interface and Polymarket's Claude Code tooling for the same quant-developer audience. Any traction here could split the emerging ecosystem of bot-driven liquidity between centralized infrastructure and specialized prediction-market native platforms.

Kalshi weekly open interest hits record $810 million

Kalshi must now monetize this record open interest before DRW, Wintermute, and IMC internalize the spread or route to rival venues. Any leakage of this flow erodes the captive liquidity advantage Kalshi is counting on for its terminal launch and Series F valuation.

Google blocks prediction market ads in Ohio after Kalshi court defeat

Kalshi loses paid user acquisition in Ohio while already defending against the state's cease-and-desist order and fighting felony bans in Minnesota and Wisconsin. The ad ban forces Kalshi to rely on organic reach in a top-ten U.S. market just as state regulators there challenge CFTC jurisdiction.

Election betting boom to strain prediction market insider trading controls

Kalshi and Polymarket must now demonstrate that their surveillance systems can handle peak election volume across thousands of simultaneous races, or risk co-defendant exposure when regulators cite surveillance failures in parallel DOJ-CFTC actions. A proven gap between platform capacity and market coverage becomes real-time evidence of willful compliance negligence.

Stocks

Galaxy says Hyperliquid could have prevented Polymarket's $375M MSTR disaster

Polymarket's $375 million MSTR loss gives Galaxy Digital a concrete case to pitch Hyperliquid as the more reliable infrastructure to institutional clients already evaluating OTC prediction-market desks. Any credibility gap between the two platforms directly affects which venue captures the hedge fund and family office flow Galaxy is targeting.

Data

Prediction markets hit $29.4 billion in May as Kalshi leads

Kalshi's growth now depends on defending its Robinhood retail pipeline against Rothera while institutional desks at DRW, Wintermute, and IMC compete for the same flow.

Stocktwits and Nasdaq Private Market partner to add Polymarket data for retail investors

Polymarket now has two Nasdaq-linked distribution channels for private-company event contracts, while Kalshi must rely on Sportradar's league feeds and broker integrations to reach retail and institutional traders. The divergent partnership strategies will decide which platform captures pre-IPO and sports betting liquidity.

Kalshi expands Washington workforce to build political capital

The hiring push puts Kalshi's lobbying team inside the room where event-contract legislation is drafted, but Robinhood already routes World Cup contracts to competitor Rothera and just launched perpetual futures. If D.C. gatekeeping slows, Robinhood's distribution dominance could outsprint Kalshi's regulatory strategy.

Knicks sweep odds tighten on Polymarket after $820,000 Game 3 bet

Polymarket is absorbing seven-figure individual bets on a single NBA Finals game, demonstrating that crypto-native prediction markets can capture whale flow formerly reserved for traditional sportsbooks or CFTC-regulated exchanges. Any sustained ability to hold that size against Kalshi's hedge fund integrations would redraw the liquidity hierarchy between onshore and offshore venues.

Opinion

Op-ed presses Congress to ban insider trading on prediction markets

The op-ed adds public pressure for legislative action as DOJ prosecutors already pursue two active insider-trading cases against prediction market traders. Any congressional ban on lawmaker trading would narrow the regulatory gap between political and corporate information advantages, forcing platforms like Kalshi and Polymarket to build compliance programs for both classes of restricted traders or face parallel enforcement.

FIFA partner ADI Predictstreet launches in US with Fanatics and Chainlink deals

ADI Predictstreet's Fanatics partnership gives it instant distribution across 23 states and four territories, forcing Kalshi and Polymarket to defend retail flow against a sportsbook-backed rival with FIFA's official imprimatur. Any traction ADI gains with casual bettors converts directly into lost volume for platforms relying on organic user acquisition.

DRW, Wintermute, and IMC open dedicated prediction market desks on Kalshi and Polymarket

DRW, Wintermute, and IMC bring institutional-grade market-making infrastructure to previously retail-dominated venues, compressing spreads and turning event contracts into liquid enough instruments that any hedge fund can treat them as a standard asset class. Their entry forces every prediction market platform to compete on execution quality rather than novelty alone.

Kalshi launches hundreds of new markets, hits $1M in single-day Maine Senate trading

Kalshi's listing velocity — 296 new markets in 48 hours — is outpacing disclosed liquidity depth across its celebrity-political contracts, amplifying execution risk for traders entering thin order books. Any CFTC review of whether rapid market creation without corresponding depth constitutes fair-market practice could force the platform to cap launches or publish real-time bid-ask data.

WSJ: 20% of Polymarket dispute judges bet on cases they ruled on

Polymarket's UMA oracle system is now under dual scrutiny for both judge conflicts and resolution finality. Any erosion of confidence threatens the platform's ability to maintain deep liquidity, particularly on corporate-event contracts where traders already wager at scale.

Upper East Side bar The Jeffrey hedges free-drinks Knicks promo on Kalshi

Kalshi must prove Main Street hedging can scale beyond one-off publicity stunts to offset volume being poached by Rothera on Robinhood's World Cup flow. Any failure to convert bar promotions into recurring small-business demand will leave the exchange dependent on retail sports traders already migrating to sharper-priced rivals.

Data

Polymarket traders price Mbappé at 18% for 2026 World Cup Golden Boot

Polymarket's player-level Golden Boot pricing gives it a distinct product from Kalshi's country-favorite contracts and Robinhood's split Rothera/Kalshi/in-house flow. Any traction on individual awards markets could pull retail traders away from match outcome contracts just as the three venues fight over the same World Cup liquidity pool.

Winners Inc. to livestream NBA Finals prediction trading on YouTube

Winners must convert YouTube viewers into Mevu.com traders during the single highest-attention NBA game of the year. Any gap between stream engagement and account sign-ups will leave the aggregator platform without liquidity depth just as Robinhood's Rothera and Kalshi's event contracts capture the same retail flow.

Kalshi traders price SOL at $57 low this month

Kalshi's SOL floor contract adds a second major crypto token to its short-dated sentiment lineup after Bitcoin, giving DRW, Wintermute, and IMC — which just opened dedicated prediction market desks — another implied-volatility surface to arbitrage against spot and perpetual markets. The $57 strike becomes a tradable floor that futures data alone do not provide.

Polymarket traders price 75% odds SpaceX closes first day above IPO price

SpaceX pre-IPO contracts have become the pricing battleground where Kalshi's CFTC registration meets Polymarket's liquidity head-to-head. Any persistent gap between the two platforms will be exploited by Wintermute's cross-venue arbitrage bridge, eroding Kalshi's regulatory premium as traders treat both pools as fungible.

Global

Spain blocks Polymarket and Kalshi for unlicensed gambling operations

Polymarket must now defend against active government blocking in five major markets — adding Spain to Indonesia, India, Brazil, and South Korea — while any consistent foreign enforcement template treating its CFTC-regulated contracts as gambling directly undermines its argument that U.S. federal oversight insulates it from overseas shutdowns.

Kalshi reports imprisoned ex-Rep. George Santos to DOJ and CFTC over State of the Union bets

Kalshi and Polymarket must now prove their surveillance systems can detect and self-report insider trades by public officials in real time, or risk co-defendant exposure when DOJ-CFTC parallel actions land. The twin Santos referrals make self-reporting the industry floor for regulatory survival.

Indonesia blocks Polymarket after presidential early-exit markets trigger gambling ban

Polymarket must now defend against active government blocking in four major markets — Indonesia, India, Spain, and Brazil — while any consistent foreign enforcement template treating its CFTC-regulated contracts as gambling weakens its core argument that U.S. federal oversight insulates it from overseas shutdowns.

Global

Polymarket hires Jupiter exec, targets Japan approval by 2030

Polymarket must now manage simultaneous regulatory defense in South Korea and India while pursuing Japan's slow FSA timeline. Any adverse ruling in Seoul or Delhi would arm Japanese regulators with a ready enforcement template, collapsing the 2030 target before lobbying begins in earnest.

Indonesia blocks Polymarket as South Korea probes and Spain bans platform

Polymarket must now defend against simultaneous blocking in Indonesia, Spain, and prospective India action while a House Oversight probe demands surveillance records by June 5. Any consistent foreign enforcement template treating CFTC-regulated contracts as gambling weakens the platform's argument that U.S. federal oversight insulates it from overseas shutdowns.

Polymarket partners with Nasdaq Private Market for pre-IPO prediction contracts

Kalshi must now match Polymarket's Nasdaq-backed data partnership or concede trader liquidity on AI-listing odds. The rival platforms are already running divergent OpenAI and Anthropic valuation markets.

CFTC approves first bitcoin perpetual futures contract for Kalshi

Robinhood accounts for the majority of Kalshi's volume. Any shift to leveraged perpetual futures will require fresh clearing agreements or risk fracturing the single-broker flow that already drove a 49.5% volume plunge when sports calendars went light.

Steil moves to bar congressional trading on Kalshi and Polymarket

Kalshi and Polymarket face simultaneous federal legislative, state enforcement, and criminal referral proceedings this week. Any adverse finding in one venue becomes Exhibit A in the others, multiplying reputational and legal risk faster than either platform can isolate individual fights.

Kalshi sues Minnesota to block first US felony ban on prediction markets

Kalshi must now litigate on two fronts—federal court against Minnesota's felony statute and Dane County against Wisconsin's parallel injunction push—draining legal resources ahead of the August 1 effective date. Any loss on preemption would invite copycat felony bans from the four other states already mid-investigation, while a win would cement CFTC exclusivity and freeze state criminalization efforts nationwide.

CFTC says it should never have sued Gemini, joins motion to vacate $5M consent order

Any court grant of the vacatur erases the CFTC's only litigated resolution against a crypto exchange that also operates a prediction market, stripping the agency of precedent it could cite in its active preemption defense alongside Kalshi and Polymarket in Ohio, Wisconsin, and Minnesota.

Google engineer Spagnuolo charged with $1.2M insider trading on Polymarket using search data

Polymarket must now build insider-trading compliance programs capable of detecting employee-traders at major tech companies, or risk co-defendant exposure in future DOJ-CFTC parallel actions. Any conviction cements the misappropriation theory as enforceable against prediction-market platforms that fail to surveil for confidential data exploits.

Nine wallets dominate Polymarket dispute resolutions, report finds

Polymarket must now defend against six concurrent federal and journalistic probes spanning three distinct wallet-surveillance failures. Any confirmation that its UMA oracle system allows anonymous whales to dictate billion-dollar outcomes could accelerate the Senate account-exclusion legislation already advancing to the House.

CFTC sues Rhode Island to block state enforcement against Kalshi and Polymarket

The CFTC's entry gives Kalshi institutional backing it lacked in its earlier Ohio suit. A federal-preemption win arms the agency's parallel challenge against Minnesota and deflects enforcement threats from Wisconsin and Pennsylvania regulators.

Polymarket files with CFTC to list sports parlays as SEC weighs prediction market ETFs

Polymarket lacks CFTC registration, so any self-certification denial or CFTC review delay keeps the platform offshore and sports-brokerage-dependent while Kalshi and FanDuel Predicts consolidate the onshore market. A green light would force the leagues—already negotiating data-sharing restrictions with Chair Selig—to confront a second unregistered competitor in their opposition campaign.

Stocks

Kalshi becomes first prediction market to join problem gambling council with $2M pledge

Kalshi's $2 million NCPG membership arms it with a responsible-gaming credential as Minnesota lawmakers advance a felony ban and Rhode Island's attorney general sues the platform, giving Kalshi a tangible counterargument in statehouses that its safeguards match sportsbook standards.