Prediction-market directory
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Compare the statements and evidence we have collected. Each column retains its source dates; historical claims and missing fields are visible.
Catalogue fields are historical source statements. Page metadata may refer to a publisher or embedded product. Neither establishes the verified legal operator, present pricing, regulatory status or quality of a service.
Download this comparison as CSV| Field | MarketMaster VE-d3a6d2651af75fb4 | Arbitrage Agent VE-ee1ed6299eb35ad3 |
|---|---|---|
| Product overview | MarketMaster focuses on comparing prices and potential cross-market opportunities. Its overview names Polymarket, Kalshi. Publicly described capabilities include alerts, arbitrage comparison, market screening, data api, websocket delivery. | Arbitrage Agent focuses on comparing prices and potential cross-market opportunities. Its overview names Polymarket, Kalshi. Publicly described capabilities include arbitrage comparison. |
| Research classification | Arbitrage | Arbitrage |
| Resource type | Product or service | Product or service |
| Platforms named in product context | Polymarket, Kalshi | Polymarket, Kalshi |
| Documented capabilities | Alerts: The source describes notifying users or systems about relevant events.; Arbitrage comparison: The source describes comparing price differences or identifying potential arbitrage.; Market screening: Search, filters or screening are described for finding relevant markets.; Data API: Programmatic access is described in the product overview.; WebSocket delivery: The source describes a WebSocket interface or stream.; Developer SDK: A software development kit or language client is described.; MCP tools: The source describes a Model Context Protocol interface for agent or assistant tools. | Arbitrage comparison: The source describes comparing price differences or identifying potential arbitrage. |
| Latest sourced pricing | The scanner, analyser and trade journal are described as free. Pro adds monitoring alerts, an arbitrage feed and API access, with a seven-day trial advertised. | Starter is advertised from $29/month and Operator from $99/month. The site states no share of profit and loss; individual plan features differ. |
| Developer and product resources | Pricing: https://marketmaster.live/pricing; Documentation: https://marketmaster.live/developers | Pricing: https://arbitrage-agent.com/pricing; About the product: https://arbitrage-agent.com/about |
| Website research check | 2026-10-31T02:07:12.397838+00:00; Public page content was obtained during the dated check. Reachability does not establish continuing service availability. | 2026-10-31T02:07:31.771402+00:00; Public page content was obtained during the dated check. Reachability does not establish continuing service availability. |
| Published contributor description | Not supplied | Not supplied |
| Contributor pricing statement | Not supplied | Not supplied |
| Contributor details published | Not supplied | Not supplied |
| Profile claim | No active approved claim | No active approved claim |
| Record evidence | First-party website observation | First-party website observation |
| Historical product description | Not captured | Not captured |
| Name in the historical catalogue | Not captured | Not captured |
| Reported category | Not stated | Not stated |
| Reported venues | Not stated | Not stated |
| Historical pricing statement | Not stated | Not stated |
| Open-source claim | Not stated | Not stated |
| Execution claim | Not stated | Not stated |
| Historical status statement | Not captured | Not captured |
| Historical backer statement | Not stated | Not stated |
| Catalogue-reported repository | Not stated | Not stated |
| Catalogue's own check date | Not stated | Not stated |
| Catalogue snapshot date (UTC) | Not stated | Not stated |
| Operator name in page metadata | Not captured | Not captured |
| Location in page metadata | Not captured | Lisboa, PT |
| Founding date in page metadata | Not captured | 2026 |
| Page-declared statements | 4 | 30 |
| Linked repository records | 0 | 0 |
| Vultax assessment | Not assessed | Not assessed |
| Website | https://marketmaster.live/ | https://arbitrage-agent.com/ |
| Evidence | View source (opens in a new tab) Observed: Complete profile and history | View source (opens in a new tab) Observed: Complete profile and history |
Historical descriptions and catalogue claims: Kairos contributors, CC BY 4.0. Vultax adds source matching, presentation and factual comparisons. Attribution, licences and coverage.