--- url: "https://predictiontoolkit.com/polymarket-arbitrage-tools/" publisher: "PredictionToolkit" --- [← Trading & automation]() Browse by purpose [All tools 366]() Trading & automation [All trading & automation 123]() - [Trading bots49]() - [Telegram trading22]() - [AI trading bots7]() - [Copy trading44]() - [Arbitrage21]() - [Liquidity & market making10]() - [Strategy builders30]() - [Paper trading37]() - [Backtesting20]() Frontends & terminals [All frontends & terminals 99]() - [Trading terminals61]() - [Browser extensions14]() - [Mobile apps17]() - [Aggregators26]() Analytics & alerts [All analytics & alerts 221]() - [Wallet tracking106]() - [Alerts55]() - [Portfolio tracking60]() - [Market scanners46]() - [Dashboards75]() - [Signals31]() - [Risk management33]() - [Leaderboards48]() AI & research [All ai & research 98]() - [AI agents26]() - [Forecasting47]() - [News & OSINT29]() - [Resolution17]() APIs & developer tools [All apis & developer tools 135]() - [Data APIs88]() - [SDKs & libraries25]() - [Historical data38]() - [MCP servers29]() - [Official developer tools10]() - [Streaming data19]() - [CLI tools10]() - [On-chain data6]() - [Starter projects & resources13]() Wallets & infrastructure [All wallets & infrastructure 7]() - [Wallets4]() - [Funding & bridges2]() - [Bot hosting2]() - [Wallet infrastructure1]() DeFi & capital [All defi & capital 30]() - [Lending5]() - [Position yield8]() - [Funds & strategies3]() - [Funded trading3]() - [Leverage4]() - [Parlays13]() Topic research & data [All topic research & data 48]() - [Crypto research8]() - [Sports research17]() - [Esports research1]() - [Weather research10]() - [Economic research8]() - [Company & earnings data6]() - [Politics & elections9]() Learn & explore [All learn & explore 48]() - [Communities8]() - [News & media8]() - [Learning12]() - [Prediction platforms26]() [All categories]() Find your toolkit # Polymarket arbitrage tools and bots Use these tools to investigate cross-market price differences and possible arbitrage. A displayed spread is a starting point for checking the contracts and the trade, not proof that both legs can be executed. How to choose arbitrage ## Verify the event before the price Similar questions can settle differently or face different trading constraints. Compare the exact outcomes and rules before assuming that positions offset one another. ## Evaluate the complete trade - Account for fees on the intended legs. - Check fill risk and the capital required to complete the trade. - Identify incompatible outcomes and settlement differences. - Distinguish price comparison from documented execution support. [Polymarket and Prediction Market Aggregators]() Compare markets across venues. [Polymarket APIs and Data Providers]() Inspect underlying data access. [Polymarket Resolution Research Tools]() Research contract resolution. [Polymarket Trading and Automation Tools]() Explore other trading workflows. [All categories]() **21** tools · 1–12 shown Sort ![MKTGAP’s public manual-input prediction-market fee calculator.]() ![MKTGAP logo]()[MKTGAP]() Analytics**4.0**Editorial A public manual calculator separating a gross price gap from fee-adjusted pair costs. - Access Web ![ArbBets entry page showing cross-venue YES/NO price comparison]() [ArbBets]() Data API**3.5**Editorial Scan matched outcomes across venues and inspect sizing, prices and costs through the web app or paid API. - Access Web · API ![Claw Arbs provider walkthrough of orders and strategy analysis]() ![Claw Arbs logo]()[Claw Arbs]() Trading bot**3.5**Editorial Local desktop agents for paired arbitrage or directional value bets, with paper mode and explicit execution controls. - Trading mode Paper · Live automation - Access Windows · macOS · Linux ![Crosswire prediction-market API page with a request example.]() ![Crosswire logo]()[Crosswire]() Data API**3.5**Editorial Structured settlement comparisons for covered Polymarket and Kalshi contract pairs. - Access API · MCP ![OddsPipe cross-venue market and spread API overview]() ![OddsPipe logo]()[OddsPipe]() Data API**3.5**Editorial Find paired contracts, filter match confidence and investigate cross-venue price differences through REST or Python. - Access API ![PMIP product overview]() ![PMIP logo]()[PMIP]() Analytics**3.5**Editorial Investigate why a cross-venue price gap exists before treating it as a trading opportunity. - Trading mode Read-only - Access Web · Discord · Email ![Prediction.com market comparison and smart-money dashboard]() ![Prediction Hunt logo]()[Prediction Hunt]() Trading terminal**3.5**Editorial Compare venue quotes, calculate costs and explore strategies with paper tools before choosing a trading route. - Trading mode Paper - Access Web · API ![Prediction Pilot product overview]() ![Prediction Pilot logo]()[Prediction Pilot]() Research tool**3.5**Editorial A Kalshi-first research assistant with backtests, scheduled alerts and Polymarket comparisons; users execute orders themselves. - Trading mode Read-only - Access Web ![predkit API documentation overview]() ![predkit logo]()[predkit]() Data API**3.5**Editorial Normalized multi-venue data, matched markets and resumable alerts, with explicit feature-status limits. - Access API · MCP ![Resolve Markets introduction to cross-venue contract discovery]() ![Resolve Markets logo]()[Resolve Markets]() Analytics**3.5**Editorial Public research tools, free account archives and alerts, plus a separate application-only portfolio and trading beta. - Access Web ![SpreadCore page explaining short-lived sports price gaps]() ![SpreadCore logo]()[SpreadCore]() Trading terminal**3.5**Editorial Compare sports odds, size a hedge and manage the Polymarket leg while checking both fills separately. - Trading mode Manual - Access Web · Telegram ![Alphapoly pipeline stages and local setup]() [Alphapoly (Chainstack)]() Analytics**3.0**Editorial Run a local app to discover logical contract relationships, construct covering pairs and monitor paired positions. - Access Web [1]() [2]() [→]()