{ "title": "PredictHub catalogue documentation audit", "snapshotDate": "2026-09-16", "methodologyUrl": "https://predictionmarketsbest.com/blog/prediction-market-documentation-audit/", "scope": "Purposive sample: the 24 platforms in our catalogue, not a representative market census. Outcomes describe our source retrieval and assessment; read does not mean that every claim was independently verified. No funded accounts were tested.", "outcomeDefinitions": { "read": "Source read; the finding states its scope and limitations.", "incomplete": "Some content read, insufficient to settle the recorded question.", "unreadable": "Source text not retrieved in this check; this is not evidence of closure." }, "summary": { "platforms": 24, "sourceChecks": 41, "read": 38, "incomplete": 3, "unreadable": 0 }, "platforms": [ { "slug": "polymarket", "name": "Polymarket", "type": "crypto", "reviewUrl": "https://predictionmarketsbest.com/platforms/polymarket/", "sources": [ { "title": "Geographic restrictions", "sourceUrl": "https://docs.polymarket.com/api-reference/geoblock", "topic": "availability", "finding": "The documentation distinguishes complete blocks, close-only access and frontend-only restrictions. This record concerns polymarket.com, not Polymarket US.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" }, { "title": "Trading fees", "sourceUrl": "https://docs.polymarket.com/trading/fees", "topic": "fees", "finding": "Taker fees depend on price, quantity and category. The dollar charge and the percentage of trade cost have different denominators; maker fees are zero.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" } ] }, { "slug": "kalshi", "name": "Kalshi", "type": "regulated", "reviewUrl": "https://predictionmarketsbest.com/platforms/kalshi/", "sources": [ { "title": "Member Agreement, 17 June 2026", "sourceUrl": "https://kalshi-public-docs.s3.amazonaws.com/regulatory/agreement/kalshi_member_agreement.pdf", "topic": "availability", "finding": "Section VI lists jurisdictions where event-contract trading is prohibited. Account membership and non-trading access are distinct from permission to trade.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" }, { "title": "International access", "sourceUrl": "https://help.kalshi.com/en/articles/14026044-can-i-trade-on-kalshi-from-outside-the-united-states", "topic": "availability", "finding": "International signup exists, subject to the Member Agreement, residency confirmation and identity verification. Payment methods vary by region.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" }, { "title": "Fee schedule effective 7 July 2026", "sourceUrl": "https://kalshi.com/docs/kalshi-fee-schedule.pdf", "topic": "fees", "finding": "Trading fees depend on price, contract count and series multipliers. Maker exceptions exist; ACH deposits and withdrawals have no Kalshi fee.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" } ] }, { "slug": "manifold", "name": "Manifold Markets", "type": "play-money", "reviewUrl": "https://predictionmarketsbest.com/platforms/manifold/", "sources": [ { "title": "Prize Drawing Official Rules", "sourceUrl": "https://docs.manifold.markets/prize-rules", "topic": "availability", "finding": "Prize eligibility is separate from play-money markets. The rules name restricted countries, Ontario and eight US jurisdictions; identity checks may apply to prizes.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" } ] }, { "slug": "predictit", "name": "PredictIt", "type": "regulated", "reviewUrl": "https://predictionmarketsbest.com/platforms/predictit/", "sources": [ { "title": "PredictIt Our Fees", "sourceUrl": "https://www.predictit.org/support/how-to-trade-on-predictit", "topic": "fees", "finding": "The expanded Our Fees section states a 10% charge on profit when shares are sold above cost or redeemed at settlement. Partial sales use purchase order (FIFO). Break-even and losing trades are not charged this profit fee; withdrawals carry a separate 5% fee.", "outcome": "read", "checkedAt": "2026-09-16T16:55:00.000Z" }, { "title": "CFTC Letter 25-20", "sourceUrl": "https://www.cftc.gov/csl/25-20/download", "topic": "regulation", "finding": "No-action relief has specific conditions. It is not the same regulatory status as a designated contract market.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" }, { "title": "PredictIt Terms and Conditions", "sourceUrl": "https://www.predictit.org/terms-and-conditions", "topic": "fees", "finding": "The current terms state no deposit fee, a minimum $10 account balance to begin trading, a 30-day withdrawal hold after the initial deposit, and a 5% withdrawal processing fee plus method-specific charges. These are published conditions, not a tested withdrawal.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" } ] }, { "slug": "robinhood-predictions", "name": "Robinhood Predictions", "type": "broker", "reviewUrl": "https://predictionmarketsbest.com/platforms/robinhood-predictions/", "sources": [ { "title": "Event contracts overview", "sourceUrl": "https://robinhood.com/us/en/support/articles/event-contracts-overview/", "topic": "availability", "finding": "US residency and an approved derivatives account are required. Maryland restrictions concern sports contracts; Nevada is close-only for sports. Further state restrictions may apply.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" }, { "title": "Event contract commissions", "sourceUrl": "https://robinhood.com/us/en/support/articles/event-contracts-overview/", "topic": "fees", "finding": "Commissions are probability-weighted and depend on Gold membership, with rounding, a per-contract cap and additional exchange charges.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" } ] }, { "slug": "ibkr-forecasttrader", "name": "Interactive Brokers ForecastTrader", "type": "broker", "reviewUrl": "https://predictionmarketsbest.com/platforms/ibkr-forecasttrader/", "sources": [ { "title": "IBKR Forecast Markets disclosures", "sourceUrl": "https://www.interactivebrokers.com/campus/learn-forecast-markets/", "topic": "availability", "finding": "Access is offered to eligible clients of named IBKR entities. An entity list does not establish eligibility for every resident of the corresponding country.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" }, { "title": "ForecastEx FAQ", "sourceUrl": "https://forecastex.com/faq", "topic": "product", "finding": "ForecastEx documentation describes the exchange. Broker account terms and charges need to be checked separately.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" } ] }, { "slug": "draftkings-predictions", "name": "DraftKings Predictions", "type": "broker", "reviewUrl": "https://predictionmarketsbest.com/platforms/draftkings-predictions/", "sources": [ { "title": "Trading and market availability", "sourceUrl": "https://predictions.draftkings.com/en/how-to-trade-predictions-availability", "topic": "availability", "finding": "Physical presence in an eligible US location is required; tribal land is excluded. The map separates financial and sports availability, but the retrieved text did not expose a full state list.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" } ] }, { "slug": "fanduel-predicts", "name": "FanDuel Predicts", "type": "broker", "reviewUrl": "https://predictionmarketsbest.com/platforms/fanduel-predicts/", "sources": [ { "title": "FanDuel Predicts product disclosures", "sourceUrl": "https://www.fanduel.com/predicts", "topic": "regulation", "finding": "The product page identifies FanDuel Prediction Markets LLC and CME-listed contracts.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" }, { "title": "Where can I trade?", "sourceUrl": "https://www.fanduel.com/predicts/where-can-i-trade-on-prediction-markets", "topic": "availability", "finding": "The retrieved availability page did not expose the state table; a complete state list was not verified.", "outcome": "incomplete", "checkedAt": "2026-09-16T00:00:00.000Z" } ] }, { "slug": "crypto-com-prediction-markets", "name": "Crypto.com Prediction Markets", "type": "regulated", "reviewUrl": "https://predictionmarketsbest.com/platforms/crypto-com-prediction-markets/", "sources": [ { "title": "Prediction Trading help, updated August 2026", "sourceUrl": "https://help.crypto.com/en/articles/11373970-prediction-trading", "topic": "availability", "finding": "This specific Prediction Trading feature is described as US-only. It must not be confused with global Crypto.com availability.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" }, { "title": "Prediction contract charges", "sourceUrl": "https://help.crypto.com/en/articles/11373970-prediction-trading", "topic": "fees", "finding": "The help page lists taker fees of $0.01–$0.0175 per contract and zero maker and settlement fees.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" } ] }, { "slug": "predict-fun", "name": "Predict.fun", "type": "crypto", "reviewUrl": "https://predictionmarketsbest.com/platforms/predict-fun/", "sources": [ { "title": "Predict.fun Terms of Service", "sourceUrl": "https://docs.predict.fun/terms-of-service", "topic": "availability", "finding": "The prominent restrictions include Australia and Belgium in addition to the existing exclusions. Ontario is province-specific.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" }, { "title": "Predict fees and limits", "sourceUrl": "https://docs.predict.fun/the-basics/predict-fees-and-limits", "topic": "fees", "finding": "Makers pay no fee. Taker costs depend on share price and applicable discount; the minimum order is 1 USDT, which is not a minimum deposit.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" } ] }, { "slug": "limitless-exchange", "name": "Limitless Exchange", "type": "crypto", "reviewUrl": "https://predictionmarketsbest.com/platforms/limitless-exchange/", "sources": [ { "title": "Limitless Terms of Service", "sourceUrl": "https://docs.limitless.exchange/user-guide/terms-of-service", "topic": "availability", "finding": "The terms separate no-access countries from trading restrictions, including the US and named Canadian provinces. The wording “Republic of China” requires care and is not silently mapped to mainland China.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" }, { "title": "Limitless fee schedule", "sourceUrl": "https://docs.limitless.exchange/user-guide/fees", "topic": "fees", "finding": "AMM and order-book charges differ. The order-book model uses separate buy and sell curves; resting maker orders are not charged.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" } ] }, { "slug": "myriad-markets", "name": "Myriad Markets", "type": "crypto", "reviewUrl": "https://predictionmarketsbest.com/platforms/myriad-markets/", "sources": [ { "title": "Myriad Terms and Conditions", "sourceUrl": "https://help.myriad.markets/Myriad-Terms-and-Conditions-234c9e49da8280749056d50fa31ae850", "topic": "availability", "finding": "The interface terms identify Myriad Foundation in Grand Cayman and list restricted territories for trading, including the US, France, Singapore, Switzerland and Ontario. VPN circumvention is prohibited. This is an operator policy, not proof of a trading licence.", "outcome": "read", "checkedAt": "2026-09-16T16:55:00.000Z" }, { "title": "Myriad order book fees", "sourceUrl": "https://docs.myriad.markets/trading/order-book", "topic": "fees", "finding": "Maker orders are fee-free; taker fees depend on price. The stated peak rate is 1.5% at a price of $0.50.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" }, { "title": "Myriad AMM fees", "sourceUrl": "https://docs.myriad.markets/trading/amm", "topic": "fees", "finding": "AMM buy fees vary by market from 0% to 2%; the application also describes a per-transaction gas charge.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" } ] }, { "slug": "zeitgeist", "name": "Zeitgeist", "type": "crypto", "reviewUrl": "https://predictionmarketsbest.com/platforms/zeitgeist/", "sources": [ { "title": "Zeitgeist documentation", "sourceUrl": "https://docs.zeitgeist.pm/", "topic": "product", "finding": "The documentation describes the prediction-market chain and ZTG. It does not establish current interface eligibility or available liquidity.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" } ] }, { "slug": "augur", "name": "Augur", "type": "crypto", "reviewUrl": "https://predictionmarketsbest.com/platforms/augur/", "sources": [ { "title": "Augur reboot announcement and project homepage", "sourceUrl": "https://www.augur.net/", "topic": "product", "finding": "The current homepage describes a reboot and links to Lituus development and the completed Moon Fork. Historical Augur features do not prove a currently usable retail venue.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" } ] }, { "slug": "hyperliquid", "name": "Hyperliquid", "type": "crypto", "reviewUrl": "https://predictionmarketsbest.com/platforms/hyperliquid/", "sources": [ { "title": "HIP-4 outcome markets", "sourceUrl": "https://hyperliquid.gitbook.io/hyperliquid-docs/hyperliquid-improvement-proposals-hips/hip-4-outcome-markets", "topic": "product", "finding": "The documentation describes recurring binary outcomes and staged rollout. Outcome fees are zero during initial testing, but builder charges can still apply.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" } ] }, { "slug": "futuur", "name": "Futuur", "type": "custodial", "reviewUrl": "https://predictionmarketsbest.com/platforms/futuur/", "sources": [ { "title": "Futuur terms", "sourceUrl": "https://help.futuur.com/Terms-of-Service-a2f757178971446cba1402b3cdc9a799", "topic": "availability", "finding": "The terms linked from Futuur’s interface contain duplicated passages naming both Futuur Anjouan Ltd. and Futuur BV under different governing-law clauses. Operator identity is therefore unresolved. They distinguish real-money services. The Legal Residence section excludes a long country list. A separate declarations list differs; explicit exclusions from either list are retained. Published withdrawal timelines are conditional and were not tested.", "outcome": "read", "checkedAt": "2026-09-16T16:55:00.000Z" } ] }, { "slug": "pariflow", "name": "Pariflow", "type": "custodial", "reviewUrl": "https://predictionmarketsbest.com/platforms/pariflow/", "sources": [ { "title": "Jurisdiction & Eligibility Schedule", "sourceUrl": "https://pariflow.com/legal/jurisdiction-eligibility", "topic": "availability", "finding": "The schedule describes compliance controls but does not enumerate supported countries. It cannot substantiate country-wide Available badges.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" }, { "title": "Terms & Conditions", "sourceUrl": "https://pariflow.com/legal/terms", "topic": "funding", "finding": "The terms permit identity checks and withdrawal holds; they do not provide a numerical fee schedule or guaranteed processing times.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" } ] }, { "slug": "insight-prediction", "name": "Insight Prediction", "type": "custodial", "reviewUrl": "https://predictionmarketsbest.com/platforms/insight-prediction/", "sources": [ { "title": "Insight Prediction Terms and Conditions", "sourceUrl": "https://insightprediction.com/page/terms-and-conditions", "topic": "availability", "finding": "The terms prohibit trading from within the US and accounts for residents of specified restricted territories, including Russia. They require adulthood, allow cancellation of erroneous orders and reserve discretion over market resolution. These provisions do not verify a licence or withdrawal reliability.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" }, { "title": "Insight Prediction homepage", "sourceUrl": "https://insightprediction.com/", "topic": "product", "finding": "The homepage can be read, but it does not provide enough evidence for country eligibility, current fees or withdrawal guarantees.", "outcome": "incomplete", "checkedAt": "2026-09-16T00:00:00.000Z" } ] }, { "slug": "opinion", "name": "Opinion", "type": "crypto", "reviewUrl": "https://predictionmarketsbest.com/platforms/opinion/", "sources": [ { "title": "OPINION current interface", "sourceUrl": "https://app.opinion.trade/trending", "topic": "product", "finding": "The current interface exposes prediction-market categories and documentation links. Displayed volume is an operator claim, not independently verified liquidity.", "outcome": "read", "checkedAt": "2026-09-16T16:00:00.000Z" }, { "title": "OPINION terms", "sourceUrl": "https://app.opinion.trade/terms", "topic": "availability", "finding": "The current interface terms identify Superchillclub Limited and exclude restricted persons from trading. The list includes the US, UK, France, Singapore, Poland, Thailand, South Korea, China, Taiwan, Hong Kong and Ontario, as well as sanctioned countries and Ukrainian regions. VPN circumvention is prohibited.", "outcome": "read", "checkedAt": "2026-09-16T16:00:00.000Z" } ] }, { "slug": "trueo", "name": "Trueo", "type": "crypto", "reviewUrl": "https://predictionmarketsbest.com/platforms/trueo/", "sources": [ { "title": "Trueo Terms of Use", "sourceUrl": "https://trueo.com/en/terms", "topic": "availability", "finding": "The terms identify a Samoan operator and expressly exclude US persons and a list of other territories. They prohibit using a VPN to bypass restrictions.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" } ] }, { "slug": "xmarket", "name": "Xmarket", "type": "crypto", "reviewUrl": "https://predictionmarketsbest.com/platforms/xmarket/", "sources": [ { "title": "Xmarket linked terms", "sourceUrl": "https://xmarket.app/terms", "topic": "availability", "finding": "The linked document identifies TB Tech Ltd (British Virgin Islands), describes non-custodial interfaces and excludes US, UK, Singapore and Ontario from the live environment. Earlier claims that this page had no terms were incorrect.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" } ] }, { "slug": "probable", "name": "Probable", "type": "crypto", "reviewUrl": "https://predictionmarketsbest.com/platforms/probable/", "sources": [ { "title": "Probable homepage", "sourceUrl": "https://probable.markets/", "topic": "product", "finding": "The public homepage states that Probable has been acquired by Predict.fun and displays a fee-refund and points-conversion notice. This is an operator announcement; redemption, custody and migration were not tested.", "outcome": "read", "checkedAt": "2026-09-16T16:00:00.000Z" } ] }, { "slug": "space", "name": "Space", "type": "crypto", "reviewUrl": "https://predictionmarketsbest.com/platforms/space/", "sources": [ { "title": "Space Terms of Use", "sourceUrl": "https://docs.into.space/en/resources/tos", "topic": "product", "finding": "The terms identify SYNAPSE LABS INC in Panama, describe USDC trading and non-custodial infrastructure, and state that Space holds no financial-services licence. They describe possible leverage and liquidation risks. The token public-sale restriction list must not be presented as a verified list for every trading feature.", "outcome": "read", "checkedAt": "2026-09-16T00:00:00.000Z" }, { "title": "Space homepage", "sourceUrl": "https://into.space/", "topic": "product", "finding": "The public page identifies a Solana prediction-market product but supplies insufficient evidence for eligibility and financial terms.", "outcome": "incomplete", "checkedAt": "2026-09-16T00:00:00.000Z" } ] }, { "slug": "hedgehog-markets", "name": "Hedgehog Markets", "type": "crypto", "reviewUrl": "https://predictionmarketsbest.com/platforms/hedgehog-markets/", "sources": [ { "title": "Hedgehog Markets homepage", "sourceUrl": "https://www.hedgehog.markets/", "topic": "product", "finding": "The public interface loads and displays Versus and Classic sections, market pages and a wallet connection option. This confirms a reachable interface, not completed trading, current liquidity or country eligibility.", "outcome": "read", "checkedAt": "2026-09-16T16:00:00.000Z" } ] } ] }