{"uid":"cap_v4RyzShX6Gq6U38wU2MsO","slug":"oracle-the-undesirables-com-b2675a09","name":"Basket Arbitrage Scanner (NO-Outcome Multi-Market)","description":"TCG card grading, conformal risk forecasting, and market intelligence. Powered by x402 micropayments — USDC on Base, USDC on Solana, or USDG on Robinhood Chain; the 402 offers all three and the agent picks a leg. Free tools require no payment. Paid tools return HTTP 402 — sign a payment and retry with the payment proof header.","url":"https://oracle.the-undesirables.com/api/v1/arb-basket","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"status":"ok","scan_type":"basket","opportunities":[{"event":"Who will win?","total_no_cost":6.42,"guaranteed_payout":7}]}},"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{}}},"response":{"data":{"arbs":[],"cached":false,"basketArbs":[{"id":"BASKET-KXDOMINICANREPUBLICDEPUTIES-28","edge":0.017656000000000033,"type":"basket_long","eventId":"KXDOMINICANREPUBLICDEPUTIES-28","markets":[{"id":"KXDOMINICANREPUBLICDEPUTIES-28-FP","url":"https://kalshi.com/markets/kxdominicanrepublicdeputies/kxdominicanrepublicdeputies-28","noAsk":0.85,"noBid":0.82,"title":"Who will win the next Dominican Republic Chamber of Deputies election? - ::","ticker":"KXDOMINICANREPUBLICDEPUTIES-28-FP","volume":9316.38,"yesAsk":0.18,"yesBid":0.15,"eventId":"KXDOMINICANREPUBLICDEPUTIES-28","category":"other","platform":"kalshi","rulebook":{"isCore":null,"metric":"other","includesFoodEnergy":null,"isSeasonallyAdjusted":null},"liquidity":1431.64,"expiryDate":"2028-05-19T14:00:00.000Z","periodicity":null,"daysToExpiry":702,"normalizedTitle":"who win next dominican republic chamber deputies election"},{"id":"KXDOMINICANREPUBLICDEPUTIES-28-PRM","url":"https://kalshi.com/markets/kxdominicanrepublicdeputies/kxdominicanrepublicdeputies-28","noAsk":0.28,"noBid":0.22,"title":"Who will win the next Dominican Republic Chamber of Deputies election? - ::","ticker":"KXDOMINICANREPUBLICDEPUTIES-28-PRM","volume":16.65,"yesAsk":0.78,"yesBid":0.72,"eventId":"KXDOMINICANREPUBLICDEPUTIES-28","category":"other","platform":"kalshi","rulebook":{"isCore":null,"metric":"other","includesFoodEnergy":null,"isSeasonallyAdjusted":null},"liquidity":7.65,"expiryDate":"2028-05-19T14:00:00.000Z","periodicity":null,"daysToExpiry":702,"normalizedTitle":"who win next dominican republic chamber deputies election"}],"totalCost":0.96,"eventTitle":"Who will win the next Dominican Republic Chamber of Deputies election? - ::","edgePercent":1.8391666666666702,"annualizedReturn":0.9562618708452061},{"id":"BASKET-100229","edge":0.02400000000000002,"type":"basket_long","eventId":"100229","markets":[{"id":"897017","url":"https://polymarket.com/market/will-netflix-close-warner-bros-acquisition","tags":[],"noAsk":0.994,"noBid":0.986,"title":"Will Netflix close Warner Bros acquisition?","volume":244403.63954499984,"yesAsk":0.014,"yesBid":0.006,"eventId":"100229","negRisk":true,"category":"geopolitics","platform":"polymarket","rulebook":{"isCore":null,"metric":"other","includesFoodEnergy":null,"isSeasonallyAdjusted":null},"liquidity":9045.94144,"expiryDate":null,"clobTokenId":"71621515493005505804032019343479076717370660677358537595954402101965328206829","periodicity":null,"daysToExpiry":999,"groupItemTitle":"Netflix","normalizedTitle":"netflix close warner bros acquisition"},{"id":"897018","url":"https://polymarket.com/market/will-comcast-close-warner-bros-acquisition","tags":[],"noAsk":0.999,"noBid":0.998,"title":"Will Comcast close Warner Bros acquisition?","volume":230303.18547900024,"yesAsk":0.002,"yesBid":0.001,"eventId":"100229","negRisk":true,"category":"geopolitics","platform":"polymarket","rulebook":{"isCore":null,"metric":"other","includesFoodEnergy":null,"isSeasonallyAdjusted":null},"liquidity":19761.77425,"expiryDate":null,"clobTokenId":"21591213681365549367447693686277753750427371656543547457746812794972887882879","periodicity":null,"daysToExpiry":999,"groupItemTitle":"Comcast","normalizedTitle":"comcast close warner bros acquisition"},{"id":"897019","url":"https://polymarket.com/market/will-paramount-close-warner-bros-acquisition","tags":[],"noAsk":0.19999999999999996,"noBid":0.18000000000000005,"title":"Will Paramount close Warner Bros acquisition?","volume":490008.2640440003,"yesAsk":0.82,"yesBid":0.8,"eventId":"100229","negRisk":true,"category":"geopolitics","platform":"polymarket","rulebook":{"isCore":null,"metric":"other","includesFoodEnergy":null,"isSeasonallyAdjusted":null},"liquidity":14601.2793,"expiryDate":null,"clobTokenId":"23256019137586319539165692276469250213112768854758556344817552607255928262054","periodicity":null,"daysToExpiry":999,"groupItemTitle":"Paramount","normalizedTitle":"paramount close warner bros acquisition"},{"id":"897030","url":"https://polymarket.com/market/no-listed-company-closes-warner-bros-acquisition-by-june-30-2027","tags":[],"noAsk":0.88,"noBid":0.86,"title":"No listed company closes Warner Bros acquisition by June 30, 2027 - None by June 30, 2027","volume":189404.22448799983,"yesAsk":0.14,"yesBid":0.12,"eventId":"100229","negRisk":true,"category":"geopolitics","platform":"polymarket","rulebook":{"isCore":null,"metric":"other","includesFoodEnergy":null,"isSeasonallyAdjusted":null},"liquidity":17498.4555,"expiryDate":null,"clobTokenId":"49926194611744648925636799110670225431413950541722856824815549402042051978566","periodicity":{"type":"monthly","year":2027,"value":"JUN"},"daysToExpiry":999,"groupItemTitle":"None by June 30, 2027","normalizedTitle":"no listed company closes warner bros acquisition june 30 2027 none june 30 2027"}],"totalCost":0.976,"eventTitle":"Will Netflix close Warner Bros acquisition?","edgePercent":2.4590163934426252,"annualizedReturn":0.8984394230295878}],"nearMisses":[],"lastUpdated":"2026-06-18T04:33:14.960Z","matchesFound":0,"scanDuration":5,"_buildVersion":"2026-04-10-v3","marketsScanned":{"kalshi":1103,"polymarket":598},"makerTakerDebug":{"final":0,"total":0,"passYesAsk":0,"passJaccard":0,"passLiquidity":0}},"tool":"arb_basket","price":"$0.50","status":"ok"}},"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.5","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.5/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_-QosXPW4UYZR1weNvRSuZ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.5","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Scans prediction markets for basket arbitrage opportunities where buying all NO outcomes across a multi-outcome event guarantees profit.","exampleAgentPrompt":"Scan for basket arbitrage opportunities right now — specifically where buying all the NO positions across a multi-outcome prediction market event adds up to a guaranteed profit.","exampleUseCases":[{"title":"Find risk-free trades across markets","prompt":"Check the major prediction markets for any events where I can lock in guaranteed profit by buying up all the NO outcomes at once — look for situations where the total cost is below the payout."},{"title":"Identify mispriced election outcome baskets","prompt":"Hunt through prediction markets for upcoming elections or political events where all the NO contract prices add up to less than the guaranteed payout — I want to spot those risk-free opportunities before they get corrected."},{"title":"Scan crypto market outcome arbitrage","prompt":"Look across Polymarket and Kalshi right now for any cryptocurrency or tech-related events where the NO positions collectively cost less than what I'd get back — find me the ones with the best margins."}],"resultDescription":"Returns a list of detected arbitrage opportunities where aggregating all NO-outcome positions across a multi-outcome market guarantees profit, along with a scan type label and status indicator.","failureModes":["No arbitrage opportunities found — empty opportunities array returned","Market data unavailable or stale — may return partial results","Payment not completed — 402 response if $0.5 USDC not provided","Rate limiting or provider downtime — 5xx error","Market APIs (Polymarket/Kalshi) unreachable — scan may fail or return incomplete data"],"whenToPreferThis":"Use this endpoint when you need to detect basket-style NO-outcome arbitrage specifically — where the sum of all NO prices across outcomes in a single event is less than 1.0, guaranteeing risk-free profit. Prefer this over the cross-platform arbitrage scanner (which compares Polymarket vs Kalshi on YES outcomes) when the opportunity involves multi-outcome exhaustive coverage within a single market event.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:33:47.307Z","isFirstParty":false}