7 top platforms like Polymarket ranked by regulation, fees, US access, and market selection. Updated March 2026.
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| # | Platform | Best For | Real Money | US Access | Rating |
|---|---|---|---|---|---|
| 1 | Kalshi | US traders, regulated | Yes (USD) | Yes | 4.0/5 |
| 2 | Robinhood Event Contracts | Mobile-first, commission-free | Yes (USD) | Yes | 3.5/5 |
| 3 | Metaculus | Forecasting practice, no money | No | Yes | 3.5/5 |
| 4 | PredictIt | Political focus, legacy | Yes (USD) | Yes | 3.0/5 |
| 5 | Manifold Markets | Social prediction, custom markets | Play money | Yes | 3.0/5 |
| 6 | Augur | Decentralized, censorship-resistant | Yes (crypto) | Yes* | 2.5/5 |
| 7 | Insight Prediction | Newer crypto platform | Yes (crypto) | Yes | 2.5/5 |
*Augur is permissionless but regulatory status for US users is unclear.
Polymarket is the world's largest prediction market by trading volume, but it isn't the right platform for everyone. There are four main reasons traders look for a Polymarket alternative:
Following a 2022 settlement with the CFTC, Polymarket officially restricts US residents from trading. While some users circumvent geo-blocks with VPNs, doing so violates Polymarket's terms of service and carries regulatory risk. US-based traders need a legal alternative — and that is primarily Kalshi or Robinhood Event Contracts.
Polymarket requires USDC stablecoin on the Polygon network. That means buying crypto, setting up a wallet, and bridging funds. If you want to trade with dollars via a bank transfer or brokerage account, Kalshi and Robinhood Event Contracts offer straightforward USD on-ramps — no crypto knowledge required.
Polymarket operates without US regulatory oversight. If there is a dispute over market resolution, you have no regulatory body to appeal to. Kalshi, as a CFTC-designated contract market, offers the protection of federal financial regulation. For traders who want regulatory recourse, regulated alternatives matter.
Some traders want academic forecasting without money on the line (Metaculus), community-created markets on niche topics (Manifold), purely political betting (PredictIt), or a fully decentralized on-chain experience (Augur). Polymarket does not cover all use cases, and specialized platforms may better suit specific needs.
If you're outside the US or comfortable with crypto, Polymarket remains the most liquid prediction market in the world.
Try Polymarket How to Trade on PolymarketKalshi is the single most important Polymarket alternative for anyone based in the United States. It is the only CFTC-designated prediction market exchange in the country, which means it operates under the same federal regulatory framework as major futures exchanges like the CME. You can deposit US dollars directly via ACH bank transfer or wire — no cryptocurrency wallet required.
Kalshi covers a wide range of markets including economic indicators (Federal Reserve rate decisions, inflation data, GDP), political events (congressional elections, approval ratings), weather, sports, and current events. The platform's interface is clean and professional, and a mobile app is available for both iOS and Android.
The key tradeoff versus Polymarket is liquidity. Kalshi's order books are thinner than Polymarket's, particularly on less popular markets. You may encounter wider bid-ask spreads and find it harder to enter large positions without moving the market. Fees are also charged on winning positions at resolution, whereas Polymarket charges nothing.
Robinhood launched Event Contracts as part of its broader financial platform, allowing users to trade binary outcome contracts on events like sports games, economic data releases, and major news events — all directly within the Robinhood app alongside their stocks, ETFs, and crypto. Commission-free trading lowers the barrier to entry significantly.
The integration advantage is real. If you already have a Robinhood account, you don't need to sign up for a separate platform, go through another KYC process, or transfer funds. Your brokerage balance immediately funds Event Contracts positions. This seamless experience makes Robinhood the most accessible entry point for mainstream US traders new to prediction markets.
The main limitation is market selection. Robinhood's Event Contracts catalog is smaller than Kalshi's and far smaller than Polymarket's. The platform tends to focus on high-interest consumer events — major sports, big economic announcements — rather than the granular political and geopolitical coverage Polymarket is known for. Liquidity can also be thinner on less popular contracts.
PredictIt is operated by Victoria University of Wellington as an academic research project under historic CFTC no-action relief. It was once the dominant US prediction market for political traders and remains active, though it is no longer creating new markets and the platform's future is uncertain following CFTC action in 2022-2023.
The platform's defining characteristic is its $850 per-question investment cap, which was required under its academic research exemption. This makes it impossible to take large positions and limits its utility for serious traders. However, for casual political forecasting with dollars at stake, PredictIt still has active markets and a community of engaged traders who have used the platform for years.
Fees are the biggest drawback: PredictIt charges 10% on net profits and 5% on withdrawals. Combined, these fees can eat significantly into returns on shorter-term or smaller positions. Compared to Polymarket's zero fees or Kalshi's profit-based structure, PredictIt is expensive.
Metaculus is a forecasting platform rather than a traditional prediction market. You do not trade with real money — instead, you submit probability estimates on questions and earn reputation points based on calibration and accuracy over time. The platform has a strong academic and research community and is widely used by professional forecasters, policy analysts, and AI safety researchers.
The questions on Metaculus tend to be longer-horizon and more analytically rigorous than Polymarket's event contracts. You will find markets on AI capability timelines, geopolitical developments, pandemic outcomes, scientific discoveries, and policy changes — areas where Polymarket either lacks coverage or has low liquidity. Metaculus also provides detailed calibration data, letting you track whether your 70% predictions come true 70% of the time.
The obvious limitation is that there is no financial upside. If you want to profit from your forecasting ability, Metaculus is not the place. But as a training ground to develop the mental models and analytical skills that transfer to real-money prediction market trading, it is unmatched.
Manifold Markets is a community prediction platform where anyone can create a market on any topic — no approval process, no minimum liquidity requirement. The platform uses Mana, a virtual currency, as the primary trading medium. Mana cannot be withdrawn as cash directly, but Manifold runs sweepstakes-style contests where top performers win real prizes.
The community skews heavily toward the rationalist and effective altruism communities, tech workers, and AI enthusiasts. As a result, you will find high-quality, actively-traded markets on topics like AI model releases, startup funding rounds, internal company decisions, and long-tail geopolitical scenarios that simply do not exist on Polymarket or Kalshi. The social layer — comments, reactions, creator discussion — also makes market reasoning more transparent.
The primary limitation is obvious: Mana is not real money. Manifold is best understood as a social prediction game rather than a financial trading platform. If your goal is to generate returns from superior forecasting, you need a real-money platform. Manifold is, however, an excellent complement to real-money trading for exploring edge cases and calibrating your views.
Augur is one of the oldest decentralized prediction market protocols, launched in 2018 on Ethereum. The original Augur v1 and v2 gave way to Augur Turbo, a faster and cheaper iteration built on Polygon. The defining characteristic of Augur is that it is fully on-chain: no company controls it, no single entity can censor markets, and the smart contracts execute resolutions automatically based on oracle data.
In terms of technology, Augur is the spiritual predecessor to Polymarket's decentralized architecture. But where Polymarket built a usable interface and attracted mainstream liquidity, Augur has struggled to gain traction with broader audiences. The UX remains complex for non-crypto-native users, liquidity is sparse across most markets, and the resolution mechanism — relying on REP token holders to report outcomes — introduces delay and potential disputes.
For traders who prioritize censorship resistance above all else, or who want access to markets that centralized platforms would never list, Augur remains a relevant option. For everyone else, the tradeoffs of low liquidity and complex UX outweigh the decentralization benefits compared to Polymarket itself.
Insight Prediction is a newer prediction market platform that positions itself as a direct Polymarket competitor with a focus on US political and economic markets. It uses cryptocurrency for deposits, similar to Polymarket, but has attempted to differentiate with competitive fees and a streamlined interface targeted at traders who want an alternative to Polymarket's USDC-on-Polygon model.
The platform is still building liquidity and market breadth. As of early 2026, volume and the number of active markets are significantly lower than Polymarket, which creates wider spreads and less efficient pricing. It remains a platform worth watching as it develops, particularly if regulatory pressure on Polymarket increases and traders need alternatives with real-money crypto trading.
For now, Insight Prediction is best treated as an experimental alternative for traders who want to diversify beyond Polymarket and are willing to accept lower liquidity in exchange for exploring a newer platform with potential upside as adoption grows.
Use this comparison to evaluate which Polymarket alternative fits your specific requirements across regulation, deposit method, fees, US access, and market types.
| Platform | Regulation | Real Money | Market Types | Min Deposit | Fees | US Access |
|---|---|---|---|---|---|---|
| Polymarket | None (US settlement) | Yes (USDC) | Politics, crypto, sports, culture, science | ~$1 USDC | 0% | Restricted |
| Kalshi | CFTC-regulated | Yes (USD) | Economics, politics, weather, sports | $5 | Profit-based | Full (US-only) |
| Robinhood Event Contracts | CFTC-regulated | Yes (USD) | Sports, economics, current events | $1 | $0 commission | Full (US-only) |
| PredictIt | CFTC no-action (historic) | Yes (USD) | Political only | $5 | 10% profit + 5% withdrawal | Yes (limited) |
| Metaculus | N/A (no money) | No (points) | Science, politics, AI, geopolitics | Free | Free | Yes |
| Manifold Markets | N/A (play money) | Play money (Mana) | Any topic — user-created | Free | Free | Yes |
| Augur | None (decentralized) | Yes (ETH/crypto) | Any — permissionless | Varies | Gas fees + spread | Unclear |
| Insight Prediction | Unclear | Yes (crypto) | Politics, economics | Varies | Low | Yes |
Despite all the alternatives listed here, Polymarket remains the dominant prediction market platform for many traders. Here are the scenarios where Polymarket is still the best choice:
Polymarket's order books are deeper than any alternative. On major markets — US elections, Fed rate decisions, major crypto price events — Polymarket's liquidity allows large position sizes with minimal price impact. No alternative comes close for high-volume traders.
Polymarket charges no trading fees. Every dollar of edge you find translates directly to profit. Kalshi, PredictIt, and most alternatives charge fees that eat into returns, especially on shorter-duration or lower-margin trades.
With 600+ active markets spanning politics, crypto, sports, geopolitics, science, and culture, Polymarket offers more trading opportunities than any single alternative. Kalshi has strong economics coverage; Robinhood covers consumer events; Metaculus covers science — but none match Polymarket's breadth.
If you are not a US resident, most of the regulatory and legal concerns that make alternatives attractive simply do not apply. International traders can use Polymarket freely, take advantage of its zero fees and deep liquidity, and trade across all markets.
If you already hold USDC or can easily acquire it, Polymarket's crypto-native model is actually convenient. No bank transfers, no slow settlement times. Deposits and withdrawals on Polygon are fast and cheap — typically less than $0.01 in gas fees.
Get started on the world's largest prediction market. Zero fees, 600+ markets, deep liquidity.
Open Polymarket Account Read Full ReviewThe most common choice traders face is between Kalshi and Polymarket. Here is a clear decision framework:
For detailed side-by-side analysis, read our Polymarket vs Kalshi comparison.
Kalshi is the best Polymarket alternative for US users. It is CFTC-regulated, fully legal in the United States, and accepts USD deposits via bank transfer — no cryptocurrency required. Robinhood Event Contracts is also a strong option for anyone already using Robinhood, offering commission-free trading integrated with your existing brokerage account.
Yes. Kalshi and Robinhood Event Contracts both accept USD with no cryptocurrency required. Kalshi supports ACH bank transfers and wire deposits. Robinhood Event Contracts is funded directly from your Robinhood brokerage balance. PredictIt also accepted USD but is winding down new market creation.
Yes. Metaculus and Manifold Markets are both free to use. Metaculus uses a reputation points system with no real money at stake. Manifold uses play money called Mana with optional sweepstakes-style prizes. Both are excellent for building forecasting skills and exploring prediction market mechanics without financial risk.
The apps most similar to Polymarket are Kalshi (regulated, US-focused, USD-based), Robinhood Event Contracts (commission-free, mobile-first, integrated brokerage), and Insight Prediction (newer crypto-based platform). For decentralized on-chain trading similar to Polymarket's architecture, Augur is the closest structural equivalent.
Polymarket officially restricts US users from trading following its 2022 CFTC settlement. US residents who attempt to use Polymarket via VPN do so in violation of the platform's terms of service and take on regulatory risk. For legal prediction market trading in the US, Kalshi and Robinhood Event Contracts are the primary compliant alternatives. See our full guide on Polymarket's legal status.
Among Polymarket alternatives accessible to US traders, Kalshi has the best liquidity. Robinhood Event Contracts also benefits from Robinhood's large retail user base on consumer-facing events. Metaculus and Manifold don't use real-money order books, so traditional liquidity comparisons don't apply. Augur and Insight Prediction both have significantly lower liquidity than Kalshi on most markets.
It depends on who is asking. For US residents, Kalshi is the better and legally safe choice — Polymarket is restricted for US users. For international traders with no regulatory concerns, Polymarket leads in volume, fees (zero vs. profit-based), market diversity, and liquidity. Kalshi is better for US access, USD deposits, and regulatory protection. Polymarket is better for everything else. Read our detailed Polymarket vs Kalshi comparison.