01 · Overview
What is PredRadar?
PredRadar compares live prediction-market prices across Polymarket, Kalshi and Betfair, with arbitrage scanning, market screening, price movers, calendar, watchlist, portfolio, API and MCP access. Best for: Users comparing equivalent markets, prices, and potential arbitrage across Polymarket, Kalshi, and Betfair while tracking movers, watchlists, and portfolios. Less suitable for: Users whose primary need is deep Polymarket wallet scoring. Key limitations: Arbitrage opportunities can disappear before execution and still require independent checks of contract equivalence, liquidity, fees and available depth.
02 · Best for
Who is PredRadar best for?
Best for
Users comparing equivalent markets, prices, and potential arbitrage across Polymarket, Kalshi, and Betfair while tracking movers, watchlists, and portfolios.
Not ideal for
Users whose primary need is deep Polymarket wallet scoring.
Arbitrage opportunities can disappear before execution and still require independent checks of contract equivalence, liquidity, fees and available depth.
03 · Access & execution
How do access and execution work?
Scope-aware product facts
What to look for
Surfaces
Access modes
Execution modes
Data capabilities
04 · Data provenance
Data provenance
Current coverage: CompleteA transparent record of which official sources were checked and when.
05 · Public footprint
Public footprint
Current public signals from official platform sources, shown with their observation dates.
A transparent record of which official sources were checked and when.
06 · Sources & review
How was PredRadar reviewed?
Documentation strength: CompleteA transparent record of which official sources were checked and when.
Official product sources were checked for documented identity, scope, access, pricing and limitations. This is not a security audit, performance test or endorsement.


