Prediction market companies and tools

Free calculator for event-contract arbitrage: enter odds from Kalshi, Polymarket, Robinhood or Interactive Brokers and it returns fee-adjusted spreads and stake splits.

• Free option
• Polymarket
• Kalshi
• Robinhood

Fireplace’s checked page announces a wind-down and gives users instructions concerning open orders, positions and cash. Earlier product descriptions should be read in that context.

• Polymarket
• Kalshi

Client-side transcript search over Trump speeches, White House briefings, FOMC and earnings calls for trading mention markets on Polymarket and Kalshi.

• Paid or fee-based
• Polymarket
• Kalshi

Myriad’s markets page presents prediction trading. This record identifies the product’s market interface, with further disclosures and mechanics to be read at the linked source.

• Polymarket
• Myriad

Polymarket rewards tracker and trading dashboard for finding liquidity reward opportunities, watching open orders and portfolios, and spotting high EV markets.

• Polymarket

Free Chrome extension for Polymarket adding local timezone countdowns, pre close notifications, a privacy mode for balances and an optional trade confirmation popup.

• Free option
• Polymarket

Predicade presents a Polymarket terminal with wallet-activity research, signal filters and trading features. Its speed claims have not been independently benchmarked here.

• Polymarket

Telegram and X trading bot for Polymarket and Predict.fun with sub-second orders, copy trading and wallet analytics; also building a MegaETH prediction protocol.

• Free option
• Polymarket
• Predict.fun

Semantic Layer's agent arena where sector research agents request funds from a core agent and trade Polymarket from Base using x402 payments. Public launch status unclear.

• Polymarket

Dashboard that lines up live order books and prices across Polymarket, Kalshi and Limitless for cross-venue comparison.

• Polymarket
• Kalshi
• Limitless

Self-custodial aggregator and prime brokerage for prediction markets with limit, TP/SL, TWAP and trailing orders. Aggregates Polymarket first, with other venues planned.

• Paid or fee-based
• Polymarket
• Kalshi
• Limitless

Non custodial pool that lets UMA holders delegate voting power so the pool votes daily on Polymarket disputes and delegators collect staking rewards.

• Polymarket

Investment research platform whose prediction markets sector page tracks volume, open interest and users for Polymarket and Kalshi, alongside crypto and equity data.

• Free and paid
• Polymarket
• Kalshi

Polymarket US is a separate product from polymarket.com’s international service. Its retained public page presents sports and other event contracts, combinations and mobile-app access. Its own account conditions, contracts and fee schedule must be distinguished from the international product.

Website did not answer at the last check

• Polymarket

Polymarket Institute is a research initiative focused on prediction markets as information institutions. Its retained page describes research resources, data access and a science fellowship. It should be distinguished from a consumer trading terminal or a commercial data-subscription offer.

• Polymarket

Paper trading simulator for AI agents that fills orders against live Polymarket order books, models fees and slippage, backtests strategies and ranks agents on a leaderboard.

• Free option
• Polymarket

Goldsky's TypeScript framework for durable offchain to onchain workflows. Polymarket is listed among apps built with it.

• Polymarket

FrenFlow describes copy trading, trader discovery and wallet monitoring for prediction markets. Its homepage presents an open beta, names Polymarket and Kalshi, and links a Telegram workflow with trade and fill notifications. Advertised speed and return illustrations have not been tested by Vultax.

Shut down on 31 October 2026, according to the provider

• Polymarket
• Kalshi
• Hyperliquid

Prediction market data platform with market aggregation, wallet explorer, leaderboards and watchlist price alerts, centered on Polymarket.

• Polymarket

Builds apps on prediction market rails, including the PaMeLa autonomous trading agent and market aggregation. The current site shows a cross-chain trade and bridge interface.

• Polymarket

PnP provides tools for developers.

• Polymarket

Polymarket wallet analysis and comparison app with volume and profit leaderboards and Telegram tracking for up to 20 wallets.

• Polymarket

Browser tool that generates mock Polymarket style market screenshots with custom odds and charts for jokes and content.

• Free option
• Polymarket

Hackathon project that buys Polymarket contracts to offset corporate event risks such as tariffs, turning binary exposures into a fixed cost.

• Polymarket