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Kalshi and Rhode Island in legal battle over prediction markets

Read original on Engadget
#regulation#legal-dispute#prediction-markets

Understand the regulatory risks facing AI-driven prediction platforms and their future legal viability.

30-Second TL;DR

What Changed

Kalshi and Rhode Island have initiated mutual legal action against each other.

Why It Matters

The outcome of this litigation could set a significant precedent for how prediction markets are regulated in the US. It may force AI-based forecasting platforms to adjust their compliance strategies to avoid state-level legal hurdles.

What To Do Next

Monitor the court filings for Kalshi to understand the specific regulatory arguments being used against automated prediction models.

Who should care:Founders & Product Leaders

Key Points

  • •Kalshi and Rhode Island have initiated mutual legal action against each other.
  • •The dispute centers on the regulatory legitimacy and operational scope of prediction markets.
  • •This case reflects a broader trend of state-level legal challenges against emerging AI-driven or algorithmic prediction platforms.

Deep Insight

Background and context from public sources — not the original article. 26 sources cited.

Enhanced Key Takeaways

  • •The legal dispute with Rhode Island is a mutual action, initiated by Kalshi's preemptive federal lawsuit to block anticipated state enforcement, followed by Rhode Island's state-level suit against Kalshi and Polymarket, alleging their sports-related event contracts constitute illegal sports betting.
  • •Rhode Island's Attorney General argues that Kalshi's event contracts circumvent state gambling regulations, impact state revenue, and pose risks of gambling addiction due to their 'yes' or 'no' positions and fixed payouts resembling sports wagers.
  • •Kalshi maintains that its event contracts are federally regulated 'swaps' under the exclusive jurisdiction of the Commodity Futures Trading Commission (CFTC), not state gambling laws, a position recently supported by a federal appeals court ruling in New Jersey.
  • •This conflict is part of a broader national trend, with the CFTC actively suing states like Arizona, Connecticut, Illinois, and Minnesota to defend its exclusive jurisdiction over prediction markets, while states continue to issue cease-and-desist letters and even criminal charges against platforms like Kalshi.
  • •Beyond state-level challenges, Kalshi also faces lawsuits from tribal governments alleging violations of the Indian Gaming Regulatory Act and a putative nationwide class action from users claiming the company violated state gambling laws and misled customers.

Competitor Analysis

Regulatory Status (US)
Kalshi
CFTC-regulated Designated Contract Market (DCM)
Polymarket
Crypto-native, faces state-level challenges, previously fined by CFTC
PredictIt
Operates under CFTC no-action letter (academic exemption)
US Access
Kalshi
Available in all 50 states for users 18+
Polymarket
Officially blocks US users, though some use VPNs; new app allows some categories for 18+ US users
PredictIt
Legal for US residents
Funding/Currency
Kalshi
Fiat-based (ACH, wire, debit, Apple/Google Pay), accepts crypto deposits converted to USD
Polymarket
Crypto-based (USDC on Polygon blockchain)
PredictIt
Fiat-based
Fees
Kalshi
0.5% to 1% fees
Polymarket
Zero trading fees (currently)
PredictIt
10% fee on profits, 5% withdrawal fee
Liquidity
Kalshi
Deepest order books in the US market
Polymarket
Largest prediction market by volume, deepest liquidity on most events
PredictIt
Active community, but limited by position caps
Market Focus
Kalshi
Economics, politics, culture, weather, science, traditional financial markets, sports
Polymarket
Political markets, crypto events, wide market selection
PredictIt
US politics, elections
Position Limits
Kalshi
No explicit mention of strict limits, but regulated exchange
Polymarket
Multi-million dollar positions from anonymous wallets raise manipulation concerns
PredictIt
$850 position limit per market
Integration
Kalshi
Partnered with Robinhood for Prediction Markets Hub
Polymarket
Offers Polymarket Relayer API for builders
PredictIt
N/A
Customer Protection
Kalshi
CFTC/FTC regulations, NFA rules, federal and state laws, KYC procedures
Polymarket
No regulatory protection, no KYC (officially for US users)
PredictIt
Some protection under no-action letter, but uncertain regulatory future

Technical Deep Dive

  • Kalshi operates as a federally regulated financial exchange, designated as a Designated Contract Market (DCM) by the CFTC.
  • The platform offers 'event contracts,' which are binary options allowing users to take 'Yes' or 'No' positions on the outcome of future events.
  • Its core infrastructure includes high-performance systems designed to handle real-time order flow, margining, and data distribution.
  • Key engineering components involve developing and optimizing order matching engines, trade execution algorithms, and supporting data structures.
  • Kalshi builds high-performance market data feeds and trading APIs for clients, brokers, and market makers.
  • The platform also designs and maintains highly available clearing systems, including functionalities for margining, collateral management, and banking integrations.
  • Technical teams at Kalshi are involved in market modeling, event forecasting, and instrument analytics to support the platform's offerings.
  • Kalshi has begun extending its model on-chain by utilizing tokenized prediction markets, initially on Solana, to enable non-custodial interaction, atomic settlement, and integration with on-chain liquidity infrastructure.

Future ImplicationsAI analysis grounded in cited sources

The ongoing legal battles will likely lead to clearer federal preemption over state gambling laws for CFTC-regulated prediction markets.
The CFTC is actively suing states to protect its exclusive jurisdiction, and Kalshi has already secured a significant appellate victory in New Jersey affirming federal oversight, indicating a trend towards federal authority.
Prediction markets will continue to grow in adoption and influence, becoming a more significant source of real-time information and a new asset class.
Kalshi's trading volumes are rapidly increasing, surpassing $1 billion weekly, and the platform is used by various professionals for information, suggesting growing mainstream acceptance and utility.
Increased regulatory scrutiny will drive prediction market platforms to enhance their internal surveillance and compliance programs.
The CFTC expects designated contract markets to be the 'first line of defense' against insider trading and market manipulation, and has already taken enforcement actions, signaling a need for robust internal controls.

Timeline

2018
Kalshi founded by Tarek Mansour and Luana Lopes Lara.
2020
Kalshi becomes the first CFTC-regulated Designated Contract Market (DCM) for event contracts in the U.S.
2025-03
Kalshi partners with Robinhood to launch the Prediction Markets Hub.
2025-06-25
Kalshi raises $185M in Series C funding, valuing the company at $2B.
2025-12-02
Kalshi announces a Series E funding round of $1 billion at an $11B valuation.
2026-04-06
Kalshi secures a significant appellate victory in New Jersey, with the Third Circuit ruling its sports-related event contracts are 'swaps' under CFTC's exclusive jurisdiction.
2026-04-22
Kalshi announces disciplinary actions against political candidates for insider trading on its platform.
2026-05-22
Kalshi files a preemptive federal lawsuit against Rhode Island officials, followed by Rhode Island's state lawsuit against Kalshi and Polymarket.
Read original article on Engadget

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