Polymarket vs Kalshi 2026: KYC, Fees, Regulation

By Dana Kovac · Published 2026-10-07 · Independent review — not affiliated with any exchange

Polymarket vs Kalshi comparison shoppers usually want one thing fast: which platform will actually let them trade, and what it costs to find out. Kalshi is a CFTC-registered US exchange that requires photo-ID verification from every trader; Polymarket is a crypto-based international platform where most users trade without identity checks but face geoblocking in dozens of countries, including the US (close-only, not fully blocked). Both list event contracts that settle to $1.00 or $0.00 and price between 1 and 99 cents, with the price read as an implied probability.

That’s the structural shape of both markets. Everything after that — fees, who can sign up, how deposits work — depends heavily on where you live and which version of each platform (Polymarket international vs Polymarket’s newer US exchange) you end up using. This comparison sticks to source-attributed facts and flags anywhere the sources disagree, because rules on these platforms move fast enough that anything written today deserves a recheck before you act on it.

What is Kalshi’s regulated model, and how does it differ from Polymarket?

Kalshi is a Designated Contract Market under the US Commodity Futures Trading Commission, in plain terms, a regulated derivatives exchange, not a betting site in the legal sense. Per Kalshi’s help center, that CFTC status is precisely why it must confirm the identity of every trader through document verification: a valid, unexpired, legible government-issued ID with a photo, usually a driver’s license or passport. During signup you also confirm your country of residence. Kalshi regulated prediction market status in the US is the core of its pitch, a regulator sits behind it, and that comes with the identity-verification tradeoff.

Polymarket runs differently. It’s a crypto-based platform where, per third-party guides, standard use doesn’t require identity verification at all, you connect a wallet or sign up with email, deposit USDC, and trade. Compliance is enforced mostly through geoblocking rather than onboarding checks. That changed somewhat with a separate Polymarket US exchange that opened on iOS, Android and web with its waitlist removed in May 2026, per a third-party guide; that US-specific product requires full verification before trading and accepts USD via bank transfer/ACH or stablecoins. The original international Polymarket site remains the wallet-and-USDC version most non-US users encounter.

Which countries can access Polymarket and Kalshi in 2026?

This is the part worth checking directly before you do anything else, because lists like these are exactly where platforms update first and articles go stale fastest.

Per Kalshi’s country page, the exchange is available in 143 countries and restricted in 52. Jurisdictions listed as restricted include Australia, Belarus, Belgium, Canada, France, Italy, Poland, Singapore, Switzerland, Taiwan, Thailand, the UAE, the UK, mainland China, Russia, Iran, Cuba and North Korea, among others, and some third-party lists add Ireland to that set, so the exact boundaries vary by source. US state-level availability is also unsettled; one third-party guide lists Arizona, Illinois, Massachusetts, Maryland, Michigan, Montana, New Jersey and Ohio as unavailable at the time it was written, which is itself a sign the picture keeps shifting.

Polymarket’s own geographic-restrictions documentation lists close-only jurisdictions, meaning you can close existing positions but not open new ones, on both frontend and API, as: Australia, Belarus, Belgium, Burundi, Brazil, Canada (British Columbia, Ontario, Alberta, Quebec), Central African Republic, Congo (Kinshasa), Ethiopia, France, Germany, Iraq, Italy, Lebanon, Libya, Myanmar, New Zealand, Nicaragua, North Korea, Poland, Russia, Singapore, Somalia, Slovakia, South Sudan, Sudan, Taiwan, Thailand, the United Kingdom, the United States, Venezuela, Yemen and Zimbabwe. A smaller set, Ireland, Japan, Malta (sports contracts only), the Netherlands and South Korea, is close-only on the frontend only. Third-party summaries add that OFAC-sanctioned territories (Iran, Cuba, Syria, and the Crimea/Donetsk/Luhansk regions) are blocked outright.

To be direct about something the brief calls out specifically: restricted regions are restricted for legal reasons tied to each jurisdiction’s own regulatory treatment of derivatives or gambling-adjacent products. Routing around that with a VPN or similar method violates both platforms’ terms of service, and this piece won’t walk through how to do it. If you’re unsure whether your country is covered, the only reliable move is checking the official Kalshi country page or Polymarket’s geo-restrictions page yourself, not a screenshot from months ago.

How do Polymarket fees vs Kalshi trading costs actually compare?

Here’s where the comparison gets uneven, because the two platforms don’t publish their numbers the same way.

Per a third-party fee explainer, Kalshi’s trading fee follows a formula: Fee = 0.07 x price x (1 − price) per contract. That fee peaks near the 50-cent mark, working out to roughly 1.75 cents per contract, and shrinks as the price moves toward either 1 cent or 99 cents. Deposits add their own layer: ACH bank transfer (1-3 business days, no Kalshi-side fee), wire transfer (same day, no Kalshi-side fee though your bank may charge), and debit card (instant, with a 2% payment fee), per third-party guides. Some guides also mention crypto deposit options, which is worth confirming directly in the app since availability can change.

Polymarket’s international product doesn’t have an equally detailed, officially published fee schedule in the sources checked here. That’s a gap worth naming rather than guessing past, if trading-fee specifics matter to your decision, confirm current numbers on polymarket.com before funding an account.

Who should pick Kalshi, and who fits Polymarket better?

If you want a regulator on the other side of the platform and you’re comfortable submitting ID, Kalshi’s CFTC registration and formal fee structure make it the more conventional choice, closer in feel to a regulated derivatives venue than a crypto-native product. That also means your activity is tied to a verified identity, which matters if privacy from the platform itself is a priority.

Polymarket’s international site suits users who are comfortable with wallet-based, USDC-denominated trading and who fall outside its close-only list. The absence of standard KYC for most users is a real draw for some, but it comes with the tradeoff of smart-contract and oracle-dependent settlement (Polymarket relies in part on UMA’s optimistic-oracle process for resolving disputed outcomes) rather than a CFTC-backed clearing structure. Neither setup is inherently safer, they’re different risk profiles, and depending on your country or US state, either product may be treated as a form of regulated derivative or, in some jurisdictions, something closer to gambling.

For traders coming from standard crypto exchanges and wanting more background on how these contracts price probability before committing funds, our explainer on prediction markets explained Polymarket Kalshi covers the mechanics in more depth, and the deposit walkthrough for Polymarket and Kalshi breaks down funding steps on each. If your trading extends to leveraged crypto derivatives beyond event contracts, it’s also worth comparing fee and margin structures on exchanges like Binance or reviewing a broader options set on the exchange rankings table.

What else is moving in prediction markets right now?

At TOKEN2049 on October 7, 2026, Polymarket CEO Shayne Coplan discussed the possibility of an on-chain asset tied to the platform’s economy, per CryptoTimes’ coverage of the event. No token, ticker, launch date, contract address or distribution plan has been announced as of this writing, and nothing here should be read as confirmation that one is coming, treat any claims of a “Polymarket token” circulating online as unverified until Polymarket itself publishes something official.

On liquidity, neither platform publishes standardized, directly comparable volume figures in the sources checked for this piece, so any claim about which has deeper markets should be treated as anecdotal unless sourced to each platform’s own data. If you’re weighing Kalshi vs Polymarket liquidity for a specific market, the only reliable check is looking at the order book or odds depth for that exact contract on each site at the time you plan to trade.

Frequently Asked Questions

The questions below cover the comparisons readers ask most, safety, cost, verification steps, and regional access, answered with the same source attribution used throughout this piece.

Dana Kovac — Covers trading tools, bots and market structure. Spent four years on a prop trading desk before going independent.