| Founded | 2021 (public launch 2022, Y Combinator Winter 2022 batch) |
| Headquarters | San Francisco, California |
| Parent company / Key backer | No parent company; backed by Y Combinator |
| Blockchain | None — centralized, off-chain ledger |
| Regulation | Unregulated as a derivatives exchange; operates as a play-money entertainment platform outside CFTC oversight |
| Settlement currency | Mana (M$), an in-house virtual currency with no guaranteed cash value |
| US availability | Yes, all 50 states |
| International availability | Yes, global |
| Minimum deposit | $0 to start (free mana on signup); optional mana top-ups from roughly $5 |
| Trading fees | None — mana has no cash value, so there's nothing to charge a percentage of |
| Deposit methods | Credit/debit card via Stripe for mana purchases |
| Mobile app | iOS and Android apps available |
| Cumulative volume | Not disclosed in USD terms; mana volume isn't comparable to real-money platforms |
| Total users | Not precisely disclosed; community estimates suggest low hundreds of thousands of registered accounts |
| Total funding / Valuation | Not publicly disclosed in detail; seed-stage backing from Y Combinator and angel investors |
| Key investors | Y Combinator |
| Native token | Mana (M$) — virtual currency, not a blockchain token, largely non-cashable |
What Is Manifold Markets?
Manifold Markets is a play-money prediction market where anyone can create a question about almost anything and let a crowd of traders set the odds. It was founded by James Grugett, Austin Chen, and Stephen Grugett, went through Y Combinator's Winter 2022 batch, and launched to the public shortly after. None of the three came from a trading floor — they're engineers who bet that open, permissionless market creation would generate better forecasts than a small editorial team hand-picking questions, the way Kalshi and Polymarket do.
Funding details have never been broken out in the level of detail you'd get from a Series B crypto exchange. What's publicly known is that Manifold came up through Y Combinator and has raised seed-stage capital from YC and angel investors, though the exact dollar amount and current valuation have not been publicly disclosed. That's a meaningful contrast to the two dominant platforms in the space — Polymarket has taken up to $2 billion from Intercontinental Exchange and is reportedly seeking a $20 billion valuation, and Kalshi is chasing a similar number on the back of roughly $260 million in 2025 revenue. Manifold isn't playing that game, and it isn't trying to.
Regulation is where Manifold's whole model diverges from everyone else covered on this site. Because Mana carries no guaranteed cash value for the vast majority of users, Manifold has never sought — and doesn't need — the kind of CFTC designation Kalshi holds as a designated contract market. It sidesteps the legal fight altogether, the same fight that produced Arizona's March 2026 criminal charges against Kalshi and the Schiff-Curtis "Prediction Markets Are Gambling Act" introduced later that month. If you want the background on why that fight exists, read our prediction market legal guide.
Growth-wise, Manifold has quietly shifted its own identity over the past two years. In 2024 the team scaled back the "Manifold for Good" charity cash-out program that had let some mana convert into real donations, and leaned harder into positioning the platform as a forecasting sandbox rather than a place with any residual cash-adjacent mechanic. That's an important distinction if you're asking whether this is real money — it mostly isn't, and we'll get specific about what that means for your wallet below.
What makes Manifold genuinely different isn't its odds mechanics — it's who gets to create a market. On Polymarket and Kalshi, a curated team decides what gets listed. On Manifold, anyone can spin up a question in seconds, on politics, sports, tech, or their own life plans, and a small mana subsidy gets the market moving. If you're new to how any of this works mechanically, our guide to how prediction markets work is a good primer before you dig into the rest of this review.
How Does Manifold Work?
The Basics
Manifold runs on the same binary-contract logic as every other prediction market, just denominated in Mana instead of dollars. Buy YES shares on "Will the Fed cut rates at the June 2026 meeting?" at M$0.40, and if the event resolves YES, each share pays out M$1 — a profit of M$0.60 per share. The mechanic is identical to what you'd see on Polymarket or Kalshi; the difference is that Mana has no guaranteed exchange rate to US dollars for the overwhelming majority of accounts, so that profit is leaderboard standing, not cash in a bank account.
Under the hood, Manifold built its own automated market maker, often referred to internally as Maniswap, a constant-product-style AMM adapted so that anyone can open a market with a small mana subsidy rather than needing outside liquidity providers to post an order book. That's a meaningfully different architecture from Polymarket's central limit order book, and it's why Manifold can support tens of thousands of niche markets that would never attract enough real capital to function on a fee-driven exchange.
Placing a Trade
The trading interface looks closer to a Reddit thread than a trading terminal — each market has a comment section, a probability chart, and a creator profile attached. You pick YES or NO, enter a mana amount, and the AMM adjusts the price in real time based on your trade size relative to the pool. There's no multi-step KYC gate between you and your first trade; you're trading within seconds of creating an account.
Order Types
Manifold supports limit orders in addition to simple market buys, letting you set a target probability and wait for the AMM or other traders to move the price to it. That's more sophistication than you'd expect from a play-money app, and it's part of why the platform attracts a disproportionate number of algorithmic traders and forecasting researchers relative to its user base size.
Deposits
New accounts start with free mana, and you can top up with a credit or debit card through Stripe if you want more to trade with, plus daily login bonuses and referral mana for inviting friends. There's no crypto wallet to set up and no bank-linking KYC flow — if you've never touched a prediction market before, this is about as low-friction an on-ramp as exists, precisely because there's no real money changing hands. For a platform where actual dollars are on the line, the deposit process looks very different — see our breakdown of how to deposit on Polymarket for comparison.
What We Don't Know Yet: Manifold doesn't publish granular figures on total registered users, cumulative mana volume, or current company valuation, so several rows in the table above are necessarily approximate. The exact current status of any residual charity cash-out mechanism also isn't documented in detail on the platform's public materials as of this writing.
What Markets Can You Trade on Manifold?
Sports
Sports markets exist on Manifold, but depth is thin compared to what you'll find on Kalshi or Polymarket, where dedicated market makers keep prices tight around NFL, NBA, and soccer lines. On Manifold, an individual game market might be created by one user with a small mana subsidy, and liquidity dries up fast once the initial creator loses interest. If sports is your primary use case, our guide to the best prediction markets for sports betting points you toward platforms built for that volume, and the Kalshi review covers the regulated US alternative in detail.
Politics and Elections
Politics is closer to Manifold's actual strength. The platform has a long history of community-driven election and geopolitics forecasting, drawing heavily from forecasting and rationalist communities that treat calibration as a hobby rather than a payday. You'll find granular questions on primaries, cabinet appointments, and legislative outcomes that neither Polymarket nor Kalshi would bother listing because the real-money volume wouldn't justify it. The catch is that all of that activity is measured in mana, so it tells you about crowd sentiment, not about where real capital is positioned — a distinction worth keeping in mind if you're used to reading Polymarket odds as a market signal.
Crypto and Finance
Manifold has crypto price and Fed decision markets, but they're thinner and less specialized than what Polymarket runs, where taker fees now scale 0.75% to 1.80% by category specifically because real money and real liquidity providers are involved. Manifold's version of these markets works fine for a casual forecast, but you won't find the depth or the tight spreads that come with actual dollar risk on the other side of your trade.
Culture, Tech, and Everything Else
This is where Manifold genuinely stands apart from every platform on this site. Because anyone can create a market in seconds, you'll find questions like "Will I finish my dissertation by June?" sitting next to geopolitical forecasts and celebrity gossip, all with active comment threads and community moderation. The platform has also spun off side projects like Manifold.love, a dating experiment built on prediction market mechanics, which tells you something about how far the team is willing to stretch the core idea. No other platform reviewed on PredictReport treats market creation as a public utility the way Manifold does — it's the single biggest thing that separates it from Polymarket and Kalshi.
Manifold Fees: What Do You Actually Pay?
Trading fees are zero. Since Mana has no cash value for the typical user, there's no percentage-based fee structure to apply — Manifold isn't taking a cut of your winnings because there's nothing denominated in dollars to cut.
Deposit and withdrawal fees only come into play when you buy mana with a card, in which case standard card processing costs apply the way they would for any in-app purchase. There's no meaningful withdrawal flow for most accounts since mana generally isn't convertible back to cash.
Interest or yield doesn't exist on Manifold balances, unlike Kalshi, which pays roughly 4% APY on idle cash sitting in a funded account.
| Fee Type | Manifold | Polymarket | Kalshi |
|---|---|---|---|
| Trading fee | None (no cash value) | 0.75%–1.80% taker fee by category | Variable maker/taker, higher near 50% |
| Deposit fee | Card processing only, for mana purchase | Free via crypto, card on-ramp fees vary | Free ACH; card fees apply |
| Withdrawal fee | Not applicable (no cash-out) | Network gas fees | Standard ACH, no platform fee |
| Yield on balance | None | None | ~4% APY on idle cash |
On a $100 real-money trade at 50% probability, Polymarket's fee lands somewhere in the middle of that 0.75%–1.80% band depending on category, and Kalshi's scales similarly around the midpoint. On Manifold, there is no $100 trade in the first place — you'd be spending mana, and the fee is zero because the underlying asset has no dollar value to skim. Manifold's business model instead runs on optional mana purchases, closer to a freemium mobile game than a trading venue, which is worth sitting with if you came here expecting a fee comparison in the traditional sense. For a full breakdown of how the fee-based platforms actually charge you, see our Polymarket fees explained piece.
Manifold User Experience and Interface
The desktop site reads more like a forum than a trading terminal, with comment threads under every market, creator profiles, and a social feed of recently created questions. That design choice is deliberate — Manifold wants you engaging with the community around a question, not just clicking a probability number and moving on, which is a genuinely different philosophy from the order-book-first design of Polymarket or Kalshi.
Mobile apps exist on both iOS and Android and mirror the desktop feature set reasonably well, though as with most smaller teams, updates roll out slower than what you'd see from a platform backed by hundreds of millions in funding. Unique features include seasonal leagues with mana prizes, streak-based login bonuses, badges, and heavy bot participation through the platform's API, which we'll cover in more detail below. There's no separate demo account because, functionally, the entire platform is one — that's both Manifold's biggest selling point and the thing that limits how seriously some traders take it.
Customer support runs through Discord and email rather than a dedicated help desk, which works fine for a forecasting-hobbyist community but doesn't scale the way Polymarket or Kalshi's support infrastructure does. The honest criticism here is market quality variance — because anyone can create a question, you'll wade through duplicate markets, vague resolution criteria, and the occasional dispute over how a subjective question actually resolved. If you've used Kalshi or Polymarket and expect every market to have clean, unambiguous resolution language, Manifold will feel noticeably looser.
Manifold's Regulatory Position
Manifold operates without a derivatives license because it isn't offering derivatives in any regulatory sense — Mana has no reliable cash value for the vast majority of accounts, which keeps the platform outside CFTC jurisdiction entirely. That's a fundamentally different posture from Kalshi, a CFTC-designated contract market that's currently fighting state-level challenges including Arizona's March 18, 2026 criminal charges, and from Polymarket, which operated offshore for years before its $112 million acquisition of QCEX signaled a push toward US regulatory re-entry.
Because no real money changes hands on Manifold, it hasn't been a target of the state legislative wave that produced prediction market bills in eleven states in 2026, and it isn't implicated in the Schiff-Curtis "Prediction Markets Are Gambling Act" debate the way cash-settled platforms are. That's a genuine advantage if your goal is to avoid regulatory risk entirely, but it comes at the cost of the thing that makes prediction markets valuable to serious traders in the first place — actual capital at risk sharpens forecasts. For the full regulatory landscape across states, see our state-by-state legal map and our broader prediction market legal guide.
Manifold API and Automated Trading
Manifold publishes a public API, and it's been a magnet for algorithmic and bot traders for years precisely because the stakes are mana, not dollars — it's a low-cost sandbox for testing forecasting models and trading strategies before deploying real capital elsewhere. Documentation is community-maintained rather than enterprise-grade, and you won't find institutional market makers here the way you would on Polymarket or Kalshi, but for a builder wanting to iterate on a strategy without risking real money, it's a legitimate testing ground. If you're building or evaluating trading bots more broadly, our guide to the best prediction market APIs for builders and our piece on AI trading bots eating prediction markets alive are worth reading before you connect real capital anywhere.
Manifold vs. Established Platforms
| Manifold | Polymarket | Kalshi | |
|---|---|---|---|
| Best for | Practice forecasting, bot testing, niche markets | Deep liquidity, broad market breadth | Regulated US trading, sports and politics |
| Regulation | None (no cash value) | Historically offshore, moving toward US re-entry | CFTC-designated contract market |
| Settlement | Mana (virtual, non-cash) | USDC | USD |
| Deposits | Card for mana top-up | Crypto or card on-ramp | Bank transfer, card |
| Trading fees | None | 0.75%–1.80% taker | Variable, scales near 50% |
| Yield/Interest | None | None | ~4% APY on idle cash |
| Liquidity depth | Thin, subsidy-driven | Deep, market-maker supported | Deep, especially sports and politics |
| Sports coverage | Minimal | Strong | Strong |
| Politics coverage | Strong community activity, mana-denominated | Strong, real-money benchmark | Strong |
| Mobile app | Yes | Yes | Yes |
| Onboarding difficulty | Very easy, no KYC | Moderate (crypto literacy helpful) | Easy (bank-linked, US-focused) |
The honest read here is that Manifold and the two market leaders aren't really competing for the same user. Someone comparing Manifold vs Polymarket for actual trading purposes will find Polymarket's liquidity and real capital signal far more useful, while Manifold wins decisively on accessibility, market breadth, and zero financial risk. If you're deciding between the two fee-based giants directly, our Polymarket vs Kalshi comparison is the more relevant read; if you're deciding whether to bother with real money at all, Manifold is a reasonable place to build intuition first.
Is Manifold Safe and Legit?
Yes, in the specific sense that matters most: you cannot lose real money trading on Manifold, because Mana has no guaranteed cash value for the overwhelming majority of accounts. That eliminates the biggest risk category we flag on every other platform reviewed here — you're not exposed to smart contract bugs, exchange insolvency, or withdrawal freezes in any way that touches your bank account. The trade-off is that your "winnings" are largely bragging rights and leaderboard position rather than dollars, so don't confuse Manifold's safety with Manifold's earning potential.
Platform risk still exists in a softer form — if Manifold shut down tomorrow, your accumulated mana and leaderboard standing would simply disappear, since there's no deposit insurance or regulatory backstop for a play-money product. Customer support runs on Discord and email rather than a dedicated compliance team, which is fine for a hobbyist platform but worth knowing before you invest serious time building a reputation there. If you do end up moving to a real-money platform afterward, read our guide on how prediction market winnings are taxed before your first cash withdrawal — a topic that's simply irrelevant on Manifold itself since there's rarely a taxable cash event.
Who Is Manifold Best For?
Great fit:
- Forecasting hobbyists who want to practice calibration on real-world questions without risking a dollar.
- Students and researchers studying crowd forecasting, wisdom-of-crowds dynamics, or market design.
- Bot developers who want a free sandbox to test algorithmic strategies before deploying real capital on Polymarket or Kalshi.
- Community organizers who want to run custom prediction markets on personal, local, or niche topics that no curated platform would list.
- Members of forecasting-adjacent communities already engaged in calibration culture and open to a social, comment-driven trading experience.
- Curious newcomers who want to understand prediction market mechanics before committing real money anywhere.
Not ideal for:
- Traders who want to make real money — the Polymarket review and Kalshi review are the actual trading venues.
- Sports bettors looking for deep, liquid markets across major leagues — see our best prediction markets for sports betting guide instead.
- Institutional or high-volume traders who need real liquidity and market-maker depth.
- Users who want a regulated, US-licensed environment with deposit protections — the Robinhood prediction markets review covers a more traditional brokerage-backed alternative.
- Anyone hoping to arbitrage price discrepancies across platforms for profit, since Manifold's mana-based pricing isn't arbitrageable against real-dollar markets — our arbitrage guide focuses entirely on Polymarket and Kalshi for that reason.
Promotions and Incentives
Manifold runs daily login bonuses that add small amounts of mana to your balance, streak rewards for consecutive days of activity, and referral bonuses for inviting friends who sign up. Seasonal leagues periodically offer mana prizes tied to leaderboard performance. None of these translate to cash, but they're effective at keeping the community engaged, which is arguably the entire point of the product.
Final Verdict: 3.2 / 5
Manifold earns a 3.2 out of 5 on the same criteria we apply across every platform on this site — liquidity, fees, regulation, UX, market breadth, mobile access, and deposit ease. It scores near the top on fees (zero), market breadth (arguably unmatched), mobile access, and onboarding simplicity, but the absence of real money at stake fundamentally caps its usefulness as a trading platform in the sense most readers of this site care about. Liquidity depth is thin and subsidy-driven rather than capital-driven, and that's the ceiling on how seriously you can treat any given price on the platform.
The gap from a 5/5 isn't really about execution — the team has built a genuinely well-designed community forecasting tool. It's about category. Manifold isn't trying to be Polymarket or Kalshi, and comparing it directly on trading merit undersells what it actually does well: giving anyone, anywhere, a free sandbox to test forecasting instincts and trading bots without financial risk.
If you want to trade with real capital, skip straight to our Polymarket review or Kalshi review, or browse our full rundown of the [best prediction market apps](https://predictreport.io/blog
