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 | Polyseer VK-eb3c07c6f29192de | Predly VE-4634530863cd08ca |
|---|---|---|
| Product overview | MIT-licensed research agent from Valyu's co-founder: paste a Polymarket or Kalshi URL and multiple agents argue both sides, then Bayesian aggregation yields a probability and report. | Beta analytics service that scores Polymarket and Kalshi markets against AI-derived probabilities and sends alerts when prices diverge. Free access with a watchlist. |
| Research classification | AI Agents & Research | AI Agents & Research |
| Resource type | Product or service | Product or service |
| Platforms named in product context | Polymarket, Kalshi | Polymarket, Kalshi |
| Documented capabilities | AI analysis: The overview describes using AI or machine learning. Accuracy and trading performance have not been independently established here.; Research publication: The resource publishes analysis, articles or a newsletter. | Alerts: The source describes notifying users or systems about relevant events.; AI analysis: The overview describes using AI or machine learning. Accuracy and trading performance have not been independently established here. |
| Latest sourced pricing | Free (hosted; self-host with own API keys) | Free |
| Developer and product resources | Not captured | Not captured |
| Website research check | 2026-10-31T02:08:38.219054+00:00; Public page content was obtained during the dated check. Reachability does not establish continuing service availability. | 2026-10-31T02:05:35.950590+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 | Historical catalogue only | First-party website observation |
| Historical product description | MIT-licensed research agent from Valyu's co-founder: paste a Polymarket or Kalshi URL and multiple agents argue both sides, then Bayesian aggregation yields a probability and report. | Beta analytics service that scores Polymarket and Kalshi markets against AI-derived probabilities and sends alerts when prices diverge. Free access with a watchlist. |
| Name in the historical catalogue | Polyseer | Predly |
| Reported category | AI Agents & Research | AI Agents & Research |
| Reported venues | Polymarket, Kalshi | Polymarket, Kalshi |
| Historical pricing statement | Free (hosted; self-host with own API keys) | Free |
| Open-source claim | Source says yes | Source says no |
| Execution claim | Source says no | Source says no |
| Historical status statement | live | beta |
| Historical backer statement | Valyu | Not stated |
| Catalogue-reported repository | https://github.com/yorkeccak/Polyseer | Not stated |
| Catalogue's own check date | 2026-08-27 | 2026-08-27 |
| Catalogue snapshot date (UTC) | 2026-09-08 | 2026-09-08 |
| Operator name in page metadata | Not captured | Not captured |
| Location in page metadata | Not captured | Not captured |
| Founding date in page metadata | Not captured | Not captured |
| Page-declared statements | 0 | 0 |
| Linked repository records | 0 | 0 |
| Vultax assessment | Not assessed | Not assessed |
| Website | https://www.polyseer.xyz/ | https://predly.ai/ |
| Evidence | View source (opens in a new tab) Snapshot: Complete profile and history | View source (opens in a new tab) Snapshot: 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.