Kalshi vs Polymarket: A quick overview
Kalshi and Polymarket are compared so often because they both attract high trading activity and volumes. Essentially, they let users trade on politics, government policies, economics, crypto prices, sports, and other public events in real time. Their popularity has grown so much that some people find them more useful than opinion polls, since they reflect what traders genuinely think about a topic.
For other people, they are far more appealing than sports betting because they cover broader topics, and the prices are shaped by market sentiment instead of sportsbooks. Speaking of prices, you can trade both on Kalshi and Polymarket using Yes or No contracts whose pricing shows the estimated probability of an event happening.
That being said, there are several major differences between Polymarket and Kalshi, and if you're not keen on them, you might end up using the wrong app for your trading style. Most of these differences come down to accessibility, regulation, fees, trading currencies, and the types of markets available. As such, the two sites share the same core idea, but they can offer different experiences depending on where you’re located and the type of trader you are.
Kalshi vs Polymarket: A closer look at the key differences
While they seem similar at first glance, the truth is, Kalshi and Polymarket operate very differently behind the scenes. Below, we’ll break down the key factors that set these sites apart and explain how each factor can impact your trading experience.
Regulatory status
One of the biggest differences between Kalshi and Polymarket is their regulation. Kalshi is a more US-focused app and operates under the Commodity Futures Trading Commission (CFTC). Because of this regulation, Kalshi prioritized compliance, and you must complete identity verification before you can start trading.
On the other hand, Polymarket takes a more decentralized approach, with its operations being powered by the blockchain. This setup makes it more accessible to traders worldwide, and since you don’t need to complete multiple verification steps, getting started can feel much easier here. However, we should mention that there’s a separate CFTC-regulated Polymarket app for U.S. users, and sometimes, other global users may still encounter verification requirements depending on the local laws.
Based on regulation alone, Kalshi is generally more suitable for traders who want a heavily regulated prediction market experience. Meanwhile, Polymarket’s regulatory status suits traders who enjoy a more decentralized experience that offers easier accessibility.
Fees
Another key difference we noticed is that Kalshi charges a small fee per contract, while the trading fees on Polymarket are minimal and largely consist of crypto gas fees. As a result, the fees on Kalshi follow a more traditional format, and though they are small, they can add up depending on how frequently you trade. Since the app is also heavily regulated, it discloses all costs upfront, making it easier for you to understand exactly what you’re paying for.
The fees on Polymarket are tied to crypto activity, so they can vary depending on network conditions. The good thing is, these charges are usually minimal with stablecoins like USDC, which is the primary trading token on this app. In general, Polymarket can feel cheaper if you’re a crypto-native trader, but on the other hand, Kalshi offers a more predictable and transparent pricing model.
Crypto support
Still on the topic of crypto, we also noted that Polymarket was built around crypto from the ground up. As a result, you can only use USDC, which is a stablecoin, for deposits, trading, and withdrawals. This gives the app a more global and borderless feel, but at the same time, it means you need to be comfortable with managing a crypto wallet and handling blockchain transactions.
Kalshi is a fiat-based prediction market app, so you get to trade through traditional currencies like USD. This makes the experience more straightforward, especially if you’re more familiar with bank transfers, credit/debit cards, and e-wallets than blockchain networks. Simply put, Kalshi is better suited for users who are looking for a classic, fiat-based experience, while Polymarket is ideal for crypto-savvy traders who are familiar with blockchain transactions.
U.S.-based and global markets
Kalshi and Polymarket also differ when it comes to the types of markets you’ll find on the sites. If you’re looking for more U.S.-centered prediction markets that revolve around American politics, economy, weather, and other major national stories, then Kalshi is your guy. Because the app operates under U.S. regulations, its markets are also compliant with local rules and mainly appeal to U.S. traders.
Polymarket, on the other hand, covers a wider mix of international events, including political policies, crypto-related topics, sports, entertainment, and even internet trends. That’s why the app is particularly appealing to many traders, who want to buy and sell contracts tied to global discussions and fast-moving trending topics. Overall, if you’re a trader who mainly follows the U.S.-based events, Kalshi is the best option for you, but if you’re after a wider international market selection, check out Polymarket.
User experience
The good thing about apps like Kalshi and Polymarket is that they are beginner-friendly, even if they cater to different types of traders. Kalshi has a clean interface, with the different market types listed at the top so you can have an easier time locating your preferred contracts. Navigation is straightforward, too, because all the tabs are responsive and pages load fast, and the contracts clearly show the estimated probabilities and pricing.
Meanwhile, Polymarket offers a modern and crypto-native experience, with markets and sub-topics clearly outlined on the homepage. Since it was built on the blockchain, it only requires you to connect your crypto wallet to get started, which makes onboarding significantly easier. As for functionality, pages also load fast, menus are responsive, important tabs are well-highlighted, and the contract terms are transparent.
A summary of how Kalshi and Polymarket compare
The table below highlights the biggest differences we noticed between Kalshi and Polymarket. You can use it as a cheatsheet when deciding which site suits you best, but it can also come in handy when you generally just want to know how the prediction market apps work.
| Feature | Kalshi | Polymarket |
| Regulation | Fully regulated by the CFTC in the U.S. | More decentralized and powered by the blockchain |
| Accessibility | Primarily caters to U.S. users | More globally accessible with a separate U.S app |
| Trading currency | USD with fiat payment methods | Mainly uses USDC and crypto wallets |
| Markets offered | U.S.-focused politics, economics, and events | Global politics, crypto, sports, and trends |
| Fees | Small fees are charged on every contract | Low trading charges from blockchain gas fees |
| User experience | Clean and beginner-friendly layout | Modern and more crypto-focused |
Quick answers to questions about Kalshi vs. Polymarket
If you still have a few questions before joining either Kalshi or Polymarket, don’t worry because we’ve got you covered. Below, you’ll find answers to the most common questions traders ask about Kalshi vs. Polymarket to help you understand exactly what to expect from each site:
Are both Kalshi and Polymarket safe?
Yes! Kalshi and Polymarket’s U.S. apps are both regulated by the CFTC, which ensures that they remain fully compliant and prioritize user protection. If you’re located outside the U.S., you can also rest assured that you’re trading in a safe environment because Polymarket operates on the blockchain. That means its transactions are transparent, verifiable, and always recorded on-chain.
Which one is better between Kalshi and Polymarket?
The better app ultimately depends on your trading style and what you value most. If you prefer a fully regulated app with familiar payment methods, fiat currencies, and U.S.-focused markets, then Kalshi is probably the better fit. However, if you’re into a more crypto-native experience with global markets and easier access, then Polymarket stands out as the better option.
How are contract prices calculated in prediction market sites?
Both Kalshi and Polymarket use Yes and No contracts whose prices reflect how to read market prices as the probability of an event happening. Usually, contract prices range between $0.01 and $0.99, and if a Yes contract is trading at say $0.55, it means that traders believe there’s a 55% probability of an outcome happening. When you buy the Yes contract at $0.55, and your prediction is correct, you’ll receive $1 per contract, and if it’s incorrect, you’ll receive $0.
What outcomes can I trade on at Kalshi and Polymarket?
Kalshi mainly focuses on the U.S.-centered markets, and you can trade on topics like American politics, culture, economy, and weather. On the other hand, Polymarket offers global markets that also focus on topics like politics, sports, and cultural trends. However, we do want to highlight that you can trade on crypto prices on both apps, and the markets range from crypto 5-minute prediction markets to 15-minute, hourly, and even daily markets.
Do I need to verify my identity on both Kalshi and Polymarket?
You need to verify your identity on both Kalshi and Polymarket’s U.S. apps, since they both operate under the CFTC. Typically, this process involves submitting a copy of your ID and proof of address before you can start trading. For traders outside the U.S., you can access Polymarket by simply connecting your crypto wallet without having to go through a lengthy verification process.
Pros and cons of Kalshi and Polymarket
Combined, both Kalshi and Polymarket offer a lot of benefits to traders, particularly because they are secure, offer a wide market variety, and are beginner-friendly. But as you’ll see below, they do have a few limitations you should look out for:
- Trade on several prediction markets
- Simple Yes/No outcomes
- Option to close position early
- You never lose more than you trade
- Variable trading fees
Both Kalshi and Polymarket are top-tier choices for many traders
Throughout this article, we’ve outlined why Kalshi and Polaymarket are leading prediction market apps for most traders. We’ve also broken down their key differences when it comes to regulation, accessibility, trading currencies, and market selection. Kalshi operates under the CFTC and offers more US-focused markets using USD, while Polymarket takes a more crypto-native approach with global markets and USDC trading.
The user experience on both apps is beginner-friendly, and you won’t have any problem navigating the pages and locating contracts that match your interests. That being said, we hope that by now, you can comfortably narrow down the app that suits your trading style and overall preferences.
Once you’ve made your choice, simply click the on-page links to visit Kalshi’s or Polymarket’s official website. From there, all you need is to create a new account, fund it, and start trading for a chance to receive some potential profits.
Compare the offers and features at Kalshi and Polymarket
FAQs about Kalshi vs. Polymarket
Can I receive real money on Kalshi and Polymarket?
Yes, you can make real-money profits on both Kalshi and Polymarket, provided your predictions are correct. Your potential profit is usually the difference between the contract price when you entered a market and the $1.00 settlement value that you’ll receive per winning contract.
Which prediction market app is better for beginners?
Kalshi is generally easier to use because it has a more traditional setup with fiat payments and a simpler interface. Polymarket can also be beginner-friendly, but this only applies if you’re already familiar with crypto wallets and blockchain transactions.
Are prediction markets good for crypto trading?
Yes! You can trade on the price movements for various crypto assets on both Kalshi and Polymarket. Both sites offer short-term contracts like crypto 15-minute prediction markets, hourly markets, and daily markets, as well as longer-term contracts that can take up to a year to settle.
