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Source-backed comparison of Polymarket-Kalshi BTC Arbitrage Bot, Event Arb
FieldPolymarket-Kalshi BTC Arbitrage Bot

VK-6fc4998630fb6ce2

Event Arb

VE-0723e7b3a5d9f776

Published contributor descriptionNot suppliedNot supplied
Contributor pricing statementNot suppliedNot supplied
Contributor details publishedNot suppliedNot supplied
Profile claimNo active approved claimNo active approved claim
Record evidenceHistorical catalogue onlyFirst-party website observation
Historical product descriptionFastAPI backend and Next.js dashboard that poll Polymarket CLOB and Kalshi every second for Bitcoin 1-hour price markets, flagging opposing-position combinations costing under $1. Detection only.Free calculator for event-contract arbitrage: enter odds from Kalshi, Polymarket, Robinhood or Interactive Brokers and it returns fee-adjusted spreads and stake splits.
Name in the historical cataloguePolymarket-Kalshi BTC Arbitrage BotEventarb
Reported categoryArbitrageArbitrage
Reported venuesPolymarket, KalshiKalshi, Polymarket, Robinhood, Interactive Brokers
Historical pricing statementFreeFree
Open-source claimSource says yesSource says yes
Execution claimSource says noSource says no
Historical status statementlivelive
Historical backer statementNot statedNot stated
Catalogue-reported repositoryhttps://github.com/CarlosIbCu/polymarket-kalshi-btc-arbitrage-bothttps://github.com/akhan280/event-contract-arbitrage
Catalogue's own check date2026-08-272026-08-27
Catalogue snapshot date (UTC)2026-09-082026-09-08
Operator name in page metadataNot capturedNot captured
Location in page metadataNot capturedNot captured
Founding date in page metadataNot capturedNot captured
Page-declared statements00
Linked repository records10
Vultax assessmentNot assessedNot assessed
Websitehttps://github.com/CarlosIbCu/polymarket-kalshi-btc-arbitrage-bothttps://www.eventarb.com/
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Historical descriptions and catalogue claims: Kairos contributors, CC BY 4.0. Vultax adds source matching, presentation and factual comparisons. Attribution, licences and coverage.