Introduction The world of prediction markets is evolving, with Polymarket and Kalshi leading the charge in offering users the ability to bet on real-world events. Polymarket is a decentralizedIntroduction The world of prediction markets is evolving, with Polymarket and Kalshi leading the charge in offering users the ability to bet on real-world events. Polymarket is a decentralized

Learn/Crypto Basics/Hot Concepts/Polymarket vs. Kalshi: Decentralized vs. Regulated Prediction Markets

Polymarket vs. Kalshi: Decentralized vs. Regulated Prediction Markets

Author: Emma Williams

Beginner

Sep 21, 2026Emma Williams

5 min

USDC$1.00115+0.04%

Introduction

The world of prediction markets is evolving, with Polymarket and Kalshi leading the charge in offering users the ability to bet on real-world events. Polymarket is a decentralized prediction market that uses USDC for transactions and blockchain technology to enable peer-to-peer betting on various outcomes. Kalshi, however, operates as a regulated U.S. market offering event contracts under the oversight of the CFTC. This article compares these two platforms by looking at key aspects such as liquidity, fees, regulatory compliance, and their unique features in the context of the US regulated rollout and the growing role of crypto in prediction markets.

TL;DR

Polymarket is a decentralized crypto platform using USDC, while Kalshi is a regulated U.S. market under CFTC oversight.
Polymarket benefits from global liquidity, whereas Kalshi draws liquidity from institutional players.
USDC is used on Polymarket, while Kalshi uses USD for its event contracts.
Polymarket vs Kalshi fees comparison shows that Polymarket generally charges lower fees.
CFTC event contract insider trading rules apply to Kalshi’s event contracts.

Polymarket - The Crypto-Based Prediction Market

Polymarket is a crypto prediction market that allows users to bet on real-world events using USDC, a stablecoin pegged to the U.S. dollar. The platform operates on blockchain technology, enabling peer-to-peer betting and removing intermediaries, reducing transaction costs. The use of USDC for transactions offers users a stable and widely accessible payment method, particularly appealing to the crypto community.

Read: What is Polymarket? The Leading Decentralized Prediction Market

A key advantage of Polymarket is its decentralized nature, which allows for more flexibility and global participation without the geographic limitations that traditional financial markets impose. The platform covers a variety of events, from politics to finance and entertainment.

Polymarket also benefits from higher liquidity due to its global user base. As a crypto-based platform, it attracts diverse participants, ensuring deeper liquidity for users. However, the decentralized nature may face regulatory scrutiny in jurisdictions like the U.S., where the regulatory environment for such markets is still developing.

Kalshi - The U.S. Regulated Platform

Unlike Polymarket, Kalshi is a regulated prediction market, overseen by the Commodity Futures Trading Commission (CFTC). This regulatory framework ensures compliance with U.S. financial laws, offering a sense of trust and security for users seeking a more structured, regulated environment. The CFTC governs the event contracts traded on Kalshi, ensuring the platform’s compliance with financial regulations.

Read: What is Kalshi? US-Regulated Event Contracts Explained

Kalshi’s event contracts cover various outcomes, from U.S. elections to financial market shifts. Unlike Polymarket, which uses USDC, Kalshi operates with USD, making it easier for U.S. traders to participate. These contracts allow users to predict specific outcomes by buying and selling positions in the event contracts.

Another advantage of Kalshi is its institutional liquidity. By collaborating with market makers and liquidity providers, Kalshi ensures deep and stable liquidity in its markets. The platform’s compliance with CFTC regulations, including insider trading rules, further enhances its appeal to institutional investors.

Liquidity Comparison – Kalshi vs Polymarket

The liquidity of Polymarket and Kalshi differs primarily due to their underlying structures. Polymarket, being a crypto-based platform, benefits from a global user base, leading to higher liquidity and a continuous flow of trades. The borderless nature of Polymarket enables it to attract diverse participants, including individual traders and institutional investors.

On the other hand, Kalshi’s liquidity is driven largely by institutional traders and market makers. Kalshi's regulated structure limits its market to mostly U.S.-based participants and institutional players, creating a more structured environment but potentially restricting liquidity in smaller markets. Kalshi’s market depth is critical for maintaining smooth trading, while Polymarket benefits from its decentralized global reach.

Both platforms ensure a smooth experience for users, offering sufficient liquidity for a wide range of trades.

To learn more about Polymarket vs CEX explore Polymarket vs. MEXC Prediction Market: Why Trade on a CEX?.

Fees Comparison – Polymarket vs Kalshi

The fees on each platform play a crucial role in users’ decision-making processes. Below is a comparison of the fees on Polymarket and Kalshi.

As shown in the table, Polymarket offers lower fees due to its decentralized nature, while Kalshi tends to have higher fees, largely due to its regulatory compliance. Kalshi’s operational costs are higher because it needs to meet CFTC requirements, which influences its fee structure.

FAQ Section

What is the key difference between Polymarket and Kalshi?

Polymarket is a decentralized crypto platform using USDC, while Kalshi is a regulated U.S. market compliant with CFTC regulations.

Which platform offers better liquidity?

Polymarket has higher liquidity due to its crypto base and global users, while Kalshi’s liquidity comes from institutional players.

What is the legal status of political betting on Kalshi?

Kalshi is fully regulated by the CFTC, making it a legitimate platform for political and event-based predictions in the U.S.

How do the fees compare between Polymarket and Kalshi?

Polymarket generally has lower fees due to its decentralized nature, while Kalshi has higher fees due to its regulatory compliance.

Is USDC used on both platforms for trading?

No, Polymarket uses USDC, a stablecoin, for its transactions, whereas Kalshi deals in USD for event contracts.

Conclusion

The choice between Polymarket and Kalshi depends largely on whether users prefer a decentralized crypto platform or a regulated U.S. market. Polymarket offers flexibility and lower fees, making it ideal for the crypto community. Meanwhile, Kalshi provides a more secure and regulated environment, which is better suited for institutional players and those seeking a compliant trading platform. As regulated prediction markets grow, Polymarket’s crypto flexibility and Kalshi’s regulatory oversight will continue to shape the future of prediction markets.

Disclaimer

The content in this article is for informational purposes only and should not be construed as financial advice. Trading cryptocurrencies and prediction markets involves significant risk, and users should do their own research and consider their risk tolerance before engaging in trading activities. Neither MEXC nor the author are responsible for any losses incurred while using these platforms. Always seek professional guidance and conduct your own due diligence before making financial decisions.

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