Best Prediction Markets Apps (August 2026): Top 6 Ranked and Reviewed

Johnny Covers Sports Betting Expert ✅ Fact checked by Dylan Wilkerson

6 minute read

Polymarket US, FanDuel Predicts, Kalshi, Novig, and ProphetX are the best prediction market apps in the U.S. for August 2026.

All five are CFTC-regulated, so you trade against other users, not a house. Each leads somewhere different: Polymarket US on range plus value, FanDuel Predicts on onboarding, Kalshi on range, Novig on cost, and ProphetX on sports.

The United States' prediction markets industry has experienced rapid growth in recent years. It has evolved from a niche platform primarily used by experienced traders into a mainstream tool for assessing public opinion on topics such as financial markets, sports, and political outcomes.

Here's what each one does well, and where each falls short.

CONTENTS

• Polymarket
• FanDuel Predicts
• Kalshi
• Novig
• ProphetX
• How We Tested
• What Are Prediction Markets?
• How Prediction Markets Work
• How to Get Started
• Account Funding
• What Can You Trade?
• Prediction Markets vs. Sportsbooks
• Are Prediction Markets Legal in the U.S.?
• Which Prediction Market App Should You Pick?
• FAQs

Polymarket

Updated on 8/10/26

Polymarket

Deposit $10, Get a $20 Trading Bonus!

Bonus Code

INSIDER

Claim $20

18+ Only. Restrictions and eligibility requirements apply. Not available in all jurisdictions. Trading is risky. 100% loss can occur. See http://polymarket.us/tos for more information. The Polymarket US App serves as an independent software provider and affiliate of Polymarket US and Polymarket Clearing, the CFTC-regulated derivatives exchange and clearing organization. Not available in AZ, IL, MA, MD, MI, MT, NV, and OH.

We opened Polymarket US on a phone, which is currently the only way in — there's no desktop version yet, unlike Kalshi. The app is simple to move around, with many categories to browse: sports, politics, economics, weather, and more.

Claiming the welcome bonus was the easiest of the five, too. Deposit $10 and it unlocks. No qualifying trade required.

Keep up on the latest updates about our Polymarket promo code.

One distinction first, because it trips up a lot of readers: this review covers Polymarket US only.

Polymarket bought CFTC-licensed exchange QCX LLC and clearinghouse QC Clearing for $112 million in July 2025. QCX now trades as Polymarket US, matching your trade against another user rather than the house, and settling in U.S. dollars.

If you've seen older articles calling Polymarket an unregulated crypto platform that needs a wallet and USDC, that's a different product. It doesn't apply here.

✅ What we like

• Cheaper than Kalshi, though by less than most comparison sites claim. Both charge a fee that peaks on even-odds contracts and shrinks toward the extremes. On 100 contracts at 50¢, Polymarket US takes $1.50 against Kalshi's $1.75.
• Positions are fully collateralized. Your maximum loss is fixed the moment you trade, and there are no margin calls.
• Full market range, from sports and politics through to economics, weather, and crypto — broad enough to sit alongside Kalshi.
• The simplest welcome offer to claim of the five. A $10 deposit unlocks it, with no qualifying trade attached.

❌ What we don't

• Mobile only for now. If you like trading on a desktop, Kalshi is the one to use.
• Order books are thinner than Kalshi's, so the fee saving can get eaten by a worse fill on quieter markets.
• The narrowest state footprint of the five at 38, with eight states shut out and four more in limbo.

🏆 Best for: cost-conscious traders placing frequent trades on liquid markets.

Our prediction market experts took the time to compare Polymarket vs. Kalshi. Check it out!

FanDuel's Prediction Market

Updated on 8/10/26

FanDuel Predicts

Sign Up & Unlock Your Offer!

Bonus Code

No Code Needed

Sign Up Now!

Offered by FanDuel Prediction Market LLC, a registered futures commission merchant. 18+, Trading derivatives involves significant risk and may not be suitable for all investors. Manage your activity with our Consumer Protection tools. Offer only valid in AL, AK, CA, DE, FL, GA, HI, ID, MN, NE, NM, ND, OK, RI, SC, SD, TX, or UT

Worth clearing up first, because most coverage gets it wrong: FanDuel Predicts is a separate app, not a tab inside the FanDuel sportsbook. It launched in December 2025 with CME Group, and it's a federally regulated derivatives product rather than state-licensed sports betting.

If you've already got a FanDuel account, your ID check carries over, so there's barely any signup to get through.

Just know what you're walking into. Sports contracts only show up in states where online sportsbooks aren't legal yet. So depending on where you live, this might turn out to be a finance and economics app rather than a sports one.

✅ What we like

• Fastest onboarding of the five if you already hold a FanDuel account, because identity verification carries over.
• The strongest consumer-protection toolkit here: deposit limits, deposit alerts, self-exclusion, and behavioral health support through Kindbridge.
• Financial, economic, crypto, and cultural markets are live in all 50 states.

❌ What we don't

• The sports quirk. Contracts are only offered where online sports betting isn't legal yet, and FanDuel pulls them as states legalize. Your access can disappear because your state got sportsbooks — not what most people expect.
• No political markets, unlike Kalshi and Polymarket US.
• Newest of the established names, with a rollout that only reached all 50 states during 2026.

🏆 Best for: existing FanDuel customers, and traders in states without legal online sportsbooks.

Kalshi

Updated on 8/10/26

Kalshi

Trade $25, Get up to $500!

Bonus Code

INSIDER

Claim $500

Certain limitations apply. The offer is available to new users only, subject to the terms and conditions at kalshi.com/tc/500. 18+ only. Restrictions and eligibility requirements apply. Event contract trading involves significant risk and is not appropriate for everyone. Please carefully consider if it is appropriate for you in light of your personal financial circumstances. Kalshi products are not available in all jurisdictions. See kalshi.com/regulatory for more information. Not available in AZ, IL, MA, MD, MI, MT, NV, OH, and WA.

Check out our Kalshi referral code.

If you're new to all this, Kalshi is the easiest place to start. It works on desktop or your phone, and both are laid out simply enough that you don't need any trading background to follow what's happening — price chart next to the order book, everything updating as you watch, no jargon to decode.

Funding is easy, with more ways in than anywhere else here—including a real-time option that clears in minutes.

You have many options to trade on, from the 2028 United States Presidential Election to the Super Bowl. And the welcome offer is the biggest of the five, at up to $500 off a $25 trade.

Kalshi launched in 2021 as the first federally regulated event-contract exchange, and it still sets the standard.

Its market list matches Polymarket US. Where it pulls ahead is volume — DeFi Rate's tracker put Kalshi at roughly 73% of combined Kalshi–Polymarket volume in early July 2026.

✅ What we like

• The deepest books of the five. Tighter spreads, and a genuine chance of exiting a position when you want to rather than when someone turns up.
• More ways to fund an account than anywhere else here. The real-time option clears in minutes.
• The most beginner-friendly of the five. It's the only one with a proper desktop platform alongside the app, and the layout makes sense whether or not you've traded anything before.

❌ What we don't

• Takers pay more than on Polymarket US — a 0.07 coefficient against 0.06. Kalshi's maker side is free by default, but Polymarket US actually pays you to rest an order.
• The most patchwork availability here. Nine states are restricted in some form, and Nevada is off entirely from August 12, 2026.
• As the biggest target for state enforcement, its access map changes more often than anyone else's.

🏆 Best for: traders who want tight spreads and the flexibility to exit a position quickly.

Novig

If you used Novig before, forget most of what you knew.

Before: a sweepstakes platform running on two virtual currencies — Novig Coins for practice play and Novig Cash you could redeem for real money. That structure existed as a workaround for state gambling law, not because anyone preferred it.

Now: a federally regulated exchange. Real dollars, real event contracts, CFTC oversight, and the coins are gone entirely. The peer-to-peer sports trading underneath is much the same, but the legal wrapper has completely changed.

What hasn't changed: still sports only, still 21+, and still the least proven platform on this page.

The timeline was fast. Novig received its CFTC Designated Contract Market designation on June 16, 2026 — reportedly one of the quickest approvals the agency has granted — and opened for trading on August 4.

✅ What we like

• As a CFTC-registered exchange, Novig now has to keep customer funds segregated, police market manipulation, and submit to federal rule enforcement reviews.
• The 21+ requirement is stricter than the 18+ standard here, which points to a more careful approach to who's trading.
• It signed on as prediction market partner of the New York Mets days before launch, which suggests serious ambition rather than a soft opening.

❌ What we don't

• Liquidity, execution quality, and withdrawal speed can't be judged yet, and we won't pretend otherwise.
• Sports only, so there's no reason to open an account here if you want politics or economics.
• Missing three states, including two of the largest.

🏆 Best for: early adopters happy to trade thinner books for better pricing. We'll revisit within 30 days.

ProphetX

Updated on 8/10/26

Prophet

Trade $10, Get $20!

Bonus Code

INSIDER

Claim $20

Subject to regulatory approval. Limited time offer. T&Cs Apply.

Like Novig, ProphetX spent years as a workaround and only recently became the real thing.

Before: a sweepstakes exchange running two currencies — Prophet Points for free play, Prophet Cash redeemable for real money after you met eligibility rules. Commission ran at roughly 3% of net profits, and it reached about 39 states.

Now: real dollars, real event contracts, and federal oversight. Commission has come down to 2% on winning straight trades, and parlays carry none at all. The reach has widened to nearly every state.

The trading model itself barely changed — you still either take a price on the book or post your own and wait for someone to take the other side. What changed is that your money is now sitting in a CFTC-regulated exchange rather than a sweepstakes wallet.

ProphetX does one thing and doesn't apologise for it. Sports contracts only — no politics, weather, finance, or entertainment.

The CFTC approved it as both a Designated Contract Market and a Derivatives Clearing Organization on June 11, 2026, and it launched a week later.

✅ What we like

• The request-for-quote parlay tool lets you build and price multi-leg combinations directly with a counterparty. It's the closest thing to a sportsbook parlay you'll find on a regulated exchange.
• You only pay when you win, and only 2% of net profit at that. Losing trades cost nothing extra, and parlays carry no commission at all.
• Dual DCM and DCO registration means it trades, clears, and settles in-house. Fewer middlemen, fewer places for things to go wrong.

❌ What we don't

• Sports only, with no plans announced for anything else.
• One state short of full coverage.
• The 19+ minimum is an odd middle ground that will catch out some 18-year-olds who qualify elsewhere.

🏆 Best for: sports traders who want parlay-style building on an exchange rather than against a house.

Other Prediction Market Apps We Recommend

• Crypto.com
• PrizePicks Predictions
• Robinhood
• Coinbase
• Fanatics Markets
• DraftKings Predict

How We Tested

We opened and funded an account on all five, traded on each, and scored them against our published framework: How We Rate Prediction Markets.

Here's where we concentrated.

Does it settle honestly? This is the heaviest thing we score. Most markets resolve obviously — the team won or it didn't. Some don't, and when the wording is ambiguous the platform itself decides who gets paid.

Can you trade at the price on screen? We watch the gap between the buy and sell price on the busiest markets. A cent or two is what you want. Above eight and the price you're looking at isn't real.

Where is it actually legal? This is the hardest thing to check on your own and the rules keep moving. Federal registration is the baseline; state-by-state access is where it gets complicated.

How fast does the money come back? We time withdrawals from request to arrival, and check whether your balance is held separately from the platform's own.

One thing we won't do is lift fee figures from other comparison sites. Every rate here came from the platform's own schedule.

What Are Prediction Markets?

Prediction markets are exchanges where you trade contracts on whether something will happen. Each contract settles at $1.00 if you're right and $0.00 if you're wrong, and the price in between reflects what traders collectively think the odds are.

They're regulated as derivatives by the CFTC, not as gambling by state regulators. That's why they're available in states where sportsbooks aren't.

The other difference is who you're trading against. There's no oddsmaker setting a line and no house taking the other side — just another trader who disagrees with you.

Types You'll Come Across

Not every prediction market works the same way. You can come across any of these prediction market types:

How Prediction Markets Work

You buy a contract on a yes-or-no outcome, priced between $0.01 and $0.99. That price is the market's read on how likely it is.

Say a Steelers–Ravens contract trades at $0.30 before kickoff. That implies a 30% chance the Steelers win.

Buy it and they win, it settles at $1.00 — a 70-cent profit per contract. They lose, it settles at zero.

You can also sell before settlement. If the price climbs to $0.55 on good news, take the profit without waiting for the final whistle. That flexibility is the core difference from a fixed-odds bet.

When a Market Closes

Beware that markets close when the event starts or a cut-off passes, and after that you're locked into whatever you're holding.

Then it settles automatically — $1.00 a contract if you're right, nothing if you're wrong.

Some markets also cap how much you can hold, to stop one trader moving the price or gaining a reason to influence the result.

Check Your Knowledge: Practice Before You Trade

How to Get Started

Signing up works much the same way on all five, and takes about ten minutes.

1. Download the app or open the site. These are mobile-first platforms. Polymarket US is mobile only; Kalshi also runs on desktop.
2. Check you're eligible. Age minimums vary by platform, not by state — 18+ on Polymarket US, FanDuel Predicts, and Kalshi, 19+ on ProphetX, 21+ on Novig. State availability varies too. Check the tables above for more details.
3. Create your account. Email or phone, plus the usual personal details. Because these are federally regulated exchanges rather than sportsbooks, you'll have to provide a government-issued ID and your Social Security number.
4. Enter your promo code. Most welcome offers only apply if you tap in the code during signup, and you usually can't add it afterwards.
5. Add funds. Deposit options differ a lot between platforms. Kalshi takes eight methods including PayPal and Cash App; the others have fewer.
6. Start trading. Browse by category, look at the prices, and stick to high-volume markets while you get a feel for how they move.

Every platform geolocates you. Trying to trade from a restricted state breaches the terms and can cost you both the account and the balance in it.

Account Funding

Each platform's deposit options are in its table above. Kalshi has by far the widest range; ProphetX and Polymarket US are narrower.

Four things work differently here than at a sportsbook:

• No rollover on your own money. Deposit it and it's yours to withdraw once your positions settle.
• Each bonus has different terms. Polymarket US: $10 deposit, no trade needed. ProphetX: a $10 trade, 14-day expiry, and only profits from the credit can be withdrawn.
• Open positions are locked. You can only withdraw money that's already settled.
• No multiple accounts, no bots, no manipulation. Breaking these costs you the account and the balance

Fiat or Crypto: Which Works Better?

Both are on the table. Kalshi and ProphetX each accept crypto alongside normal payment methods. Which one suits you comes down to what you already have set up.

• Starting from scratch, fiat wins easily. A debit card, PayPal, or Apple Pay deposit clears in seconds, and Kalshi's real-time payments option lands in minutes. Setting up a wallet, funding it, and transferring across takes far longer than the market you're chasing will wait.

• Already holding stablecoins? Crypto is fine. You'll pay a network fee on top, and how fast it arrives depends on how busy the network is that day — but you skip the banking queue entirely.

• Bank transfers are the slow lane either way. Good for topping up in advance, not for catching a market that's about to move.

Fees

Fees here work in an odd but fair way: they're highest on 50/50 markets and shrink to almost nothing on heavy favorites and longshots. The closer the call, the more it costs to trade.

Novig is the cheapest by miles — pre-game trades are free on both sides. ProphetX only takes a cut when you win.

Between the two big ones, Polymarket US edges it: $1.50 against Kalshi's $1.75 on 100 contracts at 50¢.

FanDuel Predicts works differently again, charging 2% based on the potential payout rather than on the trade. That makes it hard to compare directly, so check the total before you confirm.

It also pays to be patient. Leave an order sitting rather than taking what's on offer and Kalshi usually charges nothing, while Polymarket US pays you a small rebate for it.

Either way, nothing's hidden in the price the way a sportsbook builds in its margin.

What Can You Trade?

This is the main thing separating these platforms from a sportsbook, and it's also what separates them from each other.

Popular categories include sports, pop culture, politics, technology markets, economic indicators, news events, and much more.

🏈​ Sports

The best prediction market apps usually cover sports; it's where most of the money moves. Big events are the best place to start — NFL Sundays, NHL playoff races, NBA finals. More people trading means keener prices, and an easier time selling out when you want to.

Futures are the standout. Super Bowl and division winner contracts run for months, so you have time to build up a position or change your mind.

One catch on FanDuel Predicts: sports only show up in states where online sportsbooks aren't legal yet.

​💼 Politics

Politics gets its own tab on Kalshi and Polymarket US, so you're a couple of taps from an election market when you're done with the NFL board.

There's more there than you'd expect. The 2026 Midterm Elections, obviously, but also individual Senate and House races, markets on specific candidates, and elections in other countries. No sportsbook can offer any of that.

Just go in knowing your money might be tied up a while. An election contract can run for months, and the smaller races don't always have enough people trading them to sell out in a hurry if you change your mind.

🪙 Economics and Finance

Same story with economics, and on the same two platforms. Inflation figures, Fed decisions, jobs reports — all with their own section.

Most US government data lands at 8:30am ET, and these markets settle within minutes of the number printing. You'll see them called 0DTE contracts, short for Zero Days to Expiration. This means you can open one before breakfast and have it done before lunch.

Great feature. You back a view on inflation or interest rates directly and find out quickly whether you were right. You can also name your own price and wait for someone to take the other side, instead of taking what's already on offer.

They're the least beginner-friendly markets on any of these apps, though. If you don't follow economic data, the prices won't tell you much.

And to be clear: this is speculation, not a way to protect your household budget from rising prices. Treat it that way.

More Markets

Kalshi and Polymarket US also run culture and weather markets — awards results, temperature thresholds — plus crypto price contracts. Volume is thinner here, so check the order book before committing.

What Nobody Tells You Before Your First Trade

Your order might just sit there. There's no house here, so nothing is guaranteed to fill. If nobody wants the other side at your price, the order simply waits minutes, hours, or the whole event.

On busy markets that's rarely an issue. NFL Sundays, playoff races, big economic releases: the gap between the buy and sell price is usually a cent or two, and you're in and out straight away.

On quiet ones it's a genuine problem. Niche games, obscure culture markets, small political races. You can end up holding something you can't sell.

You might only get part of what you asked for. Order 100 contracts and 30 might fill instantly while the other 70 wait for someone to turn up. Completely normal, but it surprises people the first time.

Prices move quicker than sportsbook lines. These react to news within seconds rather than whenever a trader updates the board. Useful if you're paying attention, uncomfortable if you're not.

Our recommendation: stick to markets with people in them. Check how busy one looks before you put money in, not after. And treat the first few trades as tuition — small amounts, on events you'd have followed anyway.

Prediction Markets vs. Sportsbooks

Prediction markets work differently from a traditional sportsbook in a few ways that actually matter:

We also compared the Best Sportsbook Promos in the U.S. for this month. Check it out!

The Vig, and Why It Bites Hardest on Futures

The "Cost" row is the one worth dwelling on. At standard -110 pricing on both sides, a sportsbook holds around 4.5%. You never see it as a charge because it's baked into the line, so you're simply getting slightly worse odds than the true probability.

Exchanges don't work that way. You're trading against another user, so there's no house cut to build in. You pay a stated commission instead, and on some platforms nothing at all.

That gap shows up most on futures. NFL division winners and Super Bowl contracts trade all the way through to February, and MLB pennant and World Series markets reprice daily as the season shifts. On a position you'll hold for months, the difference between a margin hidden in the price and a fee you can see adds up.

You can also set your own price with a limit order rather than taking what's posted — and on Polymarket US, you get paid a rebate for doing it.

Who Regulates Prediction Markets?

The Commodity Futures Trading Commission (CFTC). It treats event contracts as derivatives — the same category as futures — and registers the exchanges that list them as Designated Contract Markets (DCM).

That registration isn't a formality. A DCM has to keep customer funds segregated from its own, monitor its markets for manipulation, and submit to federal rule enforcement reviews.

All five platforms here hold CFTC registration. ProphetX has both DCM and clearing organization status, which means it settles trades in-house rather than through a third party.

What the CFTC doesn't settle is whether states can still apply their own gambling laws on top. That fight is very much live.

Are Prediction Markets Legal in the U.S.?

Short answer: it depends on your state, and it's still being fought out in court.

The CFTC says it regulates these contracts. Several states say their gambling laws apply too. Courts have backed both sides, and an appeal that could settle it was heard on 30 July.

Most of the cases involve Kalshi, because it was first and biggest and ended up as the test case. But the rulings apply to every CFTC-registered exchange, which is why Novig, ProphetX, and Polymarket US all have state gaps of their own.

How we got here:

• August 2025 — A Maryland federal court refuses Kalshi's request to block state enforcement. New Jersey had granted the same relief earlier in the year.
• November 2025 — Kalshi's injunction against Nevada is dissolved, and the state resumes enforcement.
• January 2026 — A Massachusetts judge blocks Kalshi's in-state sports contracts, calling the federal preemption argument overly broad.
• 17 February 2026 — The CFTC files an amicus brief in the Ninth Circuit asserting exclusive jurisdiction over event contracts.
• 19 February 2026 — A Tennessee court grants Kalshi a preliminary injunction, finding its sports contracts are likely swaps under the Commodity Exchange Act.
• March 2026 — Three weeks later, an Ohio federal judge rules the opposite way.
• 2 April 2026 — The CFTC sues Arizona, Connecticut, and Illinois over their actions against registered exchanges.
• 30 July 2026 — The Sixth Circuit hears the Tennessee and Ohio appeals together. The judges appear to lean toward the states.

What this means for you: your state matters more than your platform, and today's access isn't guaranteed to last. Kalshi won in Nevada and then lost it. Check availability on the day you sign up rather than trusting a list — including this one.

Which Prediction Market App Should You Pick?

Depends what you want to trade.

Sports only? Novig. Pre-game trades are free on both sides of the book, which nothing else here comes close to matching.

Sports plus politics and economics? Kalshi for the busiest markets and the widest choice of ways to pay in. Polymarket US if you'd rather pay less per trade and don't mind being on your phone.

Already got a FanDuel account? FanDuel Predicts is the quickest way in, since your ID check carries across. Check whether sports contracts run in your state first.

After parlays? ProphetX is the only one here that builds them, and it takes no commission on parlay winnings.

Whichever you go with, check your own state on the platform's page before depositing. And keep it in proportion, this is speculation, not an income.

FAQs About the Best Prediction Market Apps

The FAQ below addresses the most common questions found on prediction market apps, covering regulations, mechanics, and more.

What are the best prediction market apps?

The best prediction market apps are Polymarket US, FanDuel Predicts, Kalshi, Novig, and ProphetX. Kalshi has the busiest markets and the most ways to deposit, Novig is the cheapest for sports, and Polymarket US is cheapest if you want politics and economics too.

Where are prediction market apps legal in the US?

CFTC-registered exchanges can operate nationwide under federal law. But several states argue their own gambling laws still apply to sports contracts. So it's settled federally and contested state by state. Availability differs by platform too.

Which prediction market app is best for beginners?

Kalshi. It runs on desktop as well as mobile, the layout makes sense whether or not you've traded before, and it has the widest choice of deposit methods.

Which app has the lowest fees?

Novig. Pre-game trades are free on both sides of the book. Polymarket US charges $1.50 per 100 contracts at 50¢ against Kalshi's $1.75. ProphetX only charges when you win, at 2% of net profit.

Do any of these still use sweepstakes currencies?

No. Novig and ProphetX both converted to CFTC-regulated exchanges in June 2026. Any guide still mentioning Novig Coins or Prophet Points is out of date.

Can I withdraw a welcome bonus straight away?

Usually not. ProphetX makes you trade the $20 credit first and only lets you withdraw profits made with it. Polymarket US unlocks on a $10 deposit with no qualifying trade attached. Check each offer's terms.

Why choose exchange apps over sportsbooks?

Exchange apps are more useful than sportsbooks because they let users set prices, trade positions with others, exit positions early, and pay minimal or no fees. Unlike sportsbooks, which have fixed odds and a "house", exchange apps feature dynamic prices based on market sentiment.

How are winnings taxed?

These are regulated derivatives, so gains are generally reported on Form 1099-B rather than the W-2G a sportsbook issues. Worth speaking to a tax professional about your own situation.

Johnny Covers

Johnny Covers has been covering the sports betting and iGaming industries for the better part of the past decade. Along the way, he has written for publications such as All-In Magazine, Sportsbook Review, Golf Monthly, Betting Pros, Sportsbook Review, OddsJam, OddsChecker, CasinoReviews.com, Ribacka Media, and most recently, Better Collective. Johnny is a Pittsburgh native and currently resides in Charleston, SC. More from Johnny Covers