Opinion tools

Tools and dashboards built around Opinion, an on-chain prediction market. 6 listed.

2 listings in Arbitrage and odds, fullest profiles first

Premarket

Arbitrage and odds

Unified event, orderbook and account API documentation

Polymarket
Opinion

Compare

ArbBets

Arbitrage and odds

Scanner that flags YES/NO price gaps across Polymarket, Kalshi and Opinion (990+ matched pairs), with alerts and a REST API on higher tiers. Does not place trades.

Website did not answer at the last check

Paid or fee-based
Polymarket
Kalshi
Opinion

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Tools for other markets

Polymarket tools 463
Kalshi tools, bots and APIs 147
Hyperliquid prediction market tools 35
Limitless tools 17
Manifold tools 11
Myriad tools 10
Robinhood prediction market tools 9
PredictIt tools 8

A product is listed here when its own pages name Opinion; that is not an official integration or an endorsement by Opinion. Nobody pays to be listed or for their position. Add a product for free.

Every profile is built from the product's own pages, and Vultax keeps a dated copy of each one. How the directory is made. Companies already listed can manage their profile.