Every tool in the catalogue

Polymarket's stock-price markets rolled up by ticker - activity, odds lean, liquidity.

Prediction-market indices and reference rates, with Kalshi on the tier you can test.

Trader scoring, filters and paper-trading pods over Polymarket. Invite-only.

Self-hosted scanner for covering portfolios across correlated Polymarket contracts.

A store of third-party actors that normalize Kalshi and Polymarket into one row shape.

Cross-venue price gaps from $149 a month; the $59 plan covers sportsbooks only.

Polymarket and PredictIt in one table, sold by the day; Kalshi was empty when checked.

Daily volume, open interest and fees across thirteen event venues, with methodology.

A Polymarket terminal and Discord bot, with a dashboard for UMA disputes nobody else has.

Brier scores and letter grades for matched questions across four platforms.

A crypto trading app with a Polymarket desk, copy trading and a CLI that AI agents drive.

One client for seven prediction venues, inside a 104-exchange crypto library.

Polymarket and Kalshi scanner with follows, email alerts and a paper-trading journal.

Station-level observations and model forecasts for the airports weather contracts name.

Kalshi's event contracts in the Coinbase app, via Coinbase's own FCM, in USD or USDC.

Open-source forecasting workspace you host yourself, with a Brier score pointing upwards.

Polymarket wallet diagnostics with published methods, intervals and failed tests.

Kalshi–Polymarket gaps matched by embeddings, scored by an LLM, $20 a month with API.

Event contracts on a CFTC-designated exchange, traded from inside the Crypto.com app.

The recorded bid-ask ladder for crypto up-or-down markets, which no venue keeps itself.

DraftKings' event-contract app, brokered by its own FCM onto DKeX, Crypto.com and CME.

Fanatics' event-contract app, an FCM in front of Crypto.com's exchange, in 22 states.

FanDuel's event-contract app, via an FCM co-owned with CME Group, onto CME and Crypto.com.

Write down what you think will happen, in Slack or a browser, and get scored on it.

Nine event venues normalized into one REST schema, billed by usage credit.

Economic and climate contracts on a CFTC exchange that pays interest on your collateral.

Play-money and real-money markets side by side, priced by an LS-LMSR market maker.

One question, two order books — play money and real money, selected per request.

A crypto exchange's own CFTC-designated venue for event contracts, paid in dollars.

Polymarket's on-chain fills and positions, backfilled and streamed into your own database.

Brier scores against the crowd, and the recruiting ground for Superforecasters.

HIP-4 outcome contracts on Hyperliquid's own chain, from daily crypto binaries to sports.

Play money, a real order book, and a few thousand euro of prizes split by performance.

One order book across Kalshi, Polymarket and Predict.fun, with a fee on every taker fill.

A CFTC-designated exchange for event contracts, settled in dollars against named sources.

REST, WebSocket and FIX access to a CFTC-regulated event exchange.

Kalshi's current official Python client - weekly releases, Python 3.13 only, no source.

Kalshi's own generated Python client - closed-source, and unreleased since September 2025.

Telegram copy-trading bot for Polymarket whose own fee follows the venue's midpoint curve.

Event contracts on Base, collateralised in USDC, traded on a central limit order book.

REST and WebSocket for markets, books, candles and trading on Base.

Limitless Exchange's own async Python SDK - CLOB and NegRisk orders, WebSocket, MIT.

ForecastEx's economic, political and science contracts in an app of their own, no sports.

No-code queries, charts and backtests over Kalshi and Polymarket history.

Anyone can open a question, anyone can take a side, and the currency buys nothing.

Every read is keyless, the server is MIT-licensed, and the currency is play money.

Recorded Polymarket order books across every market type, replayable to the tick.

Proper scoring and public track records on questions nobody can take a position in.

Kalshi's event contracts inside a moomoo margin account, with order entry through its API.

Multi-chain event markets on an order book, some on an AMM, paid in stablecoins or points.

A sports-only event exchange with its own CFTC designation, relaunched from sweepstakes.

Kalshi and Polymarket matched into one schema, with paid self-serve plans now closed.

Polymarket sports terminal with stop-loss, time closes, no-code presets and an MCP server.

The prediction app spun out of Crypto.com, on the exchange formerly known as Nadex.

A BNB Chain order book for macro, crypto and sports outcomes, resolved by its AI oracle.

Polymarket whale analytics indexed from Polygon, with a published farmer filter.

One trading screen over Polymarket, Kalshi and Polymarket US, with wallet tracking.

Kalshi contracts in the US and World's Solana markets elsewhere, in the Phantom wallet.

CCXT-shaped client for prediction markets, with a hosted API and a self-hosted mode.

Open-source maker-only quoting bot for Polymarket political markets, rebuilt for V2.

Polymarket alerts on whales, wallets and prices, plus a terminal that holds a wallet.

Chrome side panel that prices the Polymarket event you are viewing against Kalshi.

Telegram bot for Polymarket - copy trading and your own Auto Trader rules, from a Safe.

Phone-sized Polymarket client with copy trading, parlays and a fee of its own.

Telegram copy-trading bot for Polymarket that holds your key and charges on every fill.

Self-custody event contracts on an on-chain order book, resolved by the UMA oracle.

Phone push alerts on Polymarket prices, wallets, large trades and UMA disputes.

Third-party Polymarket wallet, trader and market analytics, free to browse.

Polymarket's Rust command line - MIT in the manifest, with no LICENSE file in the repo.

Order books, prices and order placement on Polymarket's matching engine.

Community SQL dashboards over Polymarket's on-chain record, free to read and fork.

The "107 GB" open Parquet dump of Polymarket CLOB fills, November 2022 to March 2026.

Polymarket's keyless read API for trades, positions, holders and price history.

Polymarket's own iframe widgets and livestream ticker, for putting live odds on a page.

Polymarket's read-only catalogue of events, markets, series and tags.

Re-prices your hand-placed Polymarket orders to keep them inside the reward band.

Polymarket's CFTC-designated US exchange — dollars, KYC, and no on-chain oracle.

A keyless public gateway for reading, and a signed key behind KYC for trading.

Official SDK for Polymarket US - installs as polymarket-us, unreleased since January.

Official TypeScript client for Polymarket US - npm has shipped nothing since January.

Polymarket's own unified Python SDK - sync and async, data through order signing.

Free Polymarket explorer and $5K+ whale radar with a free, keyless API and MCP server.

Recorded L2 books for Polymarket crypto markets, priced by how far back you may look.

Polymarket and Kalshi in one terminal, with wallet analytics and a REST API.

Polymarket wallet tracking and an insider finder, with the trading terminal behind a code.

Turns a Polymarket wallet's on-chain history into Form 8949 rows and a TurboTax CSV.

Paid Polymarket trade monitor that scores flow LOW to HIGH and places no orders.

Polymarket whale watchlist with server-side copy trading that needs your private key.

Read-only Polymarket wallet tracker with mark-to-market P&L and a CSV export.

Polymarket and Kalshi whale feed with insider scores, paper copying and manual trading.

Tick-level book history as Parquet, billed by the gigabyte, plus a mempool-aware feed.

A BNB Chain order book in Binance-pegged USDT, where open positions earn Venus yield.

Sixteen venues behind one verb family, priced in credits, with a key on every read.

Free Polymarket P&L tracker for any wallet, with a yearly PDF or CSV tax report in beta.

Open-source Kalshi and Polymarket dataset, indexers and analysis scripts.

Political event contracts under CFTC no-action relief, capped at $3,500 a contract.

Free Polymarket wallet checker, leaderboards and event analytics, no signup.

A free two-line script that drops Polymarket's most active markets into an article.

A free live tape of large Polymarket fills, tagged by how far each one moved the price.

A wiki with a market attached — anyone writes the question, edits it, votes the result.

One volume-weighted probability per question across 15 venues, free, no account needed.

Kalshi event contracts sold as Team and Culture Picks inside the PrizePicks app.

Polymarket and Kalshi book and trade history in one ClickHouse warehouse you query in SQL.

A sports event exchange that is its own CFTC-registered clearinghouse, open from age 18.

Kalshi's economic, political and company contracts inside a Public brokerage account.

Polymarket's own Python CLOB client - archived, and declared non-functional by its README.

Unofficial Kalshi client with what the generated SDK leaves out - streams and retries.

Forecast questions that already resolved, and learn in ninety seconds how wrong you were.

Event contracts in the Robinhood app, routed to four exchanges — one of them its own JV.

Forecast what a study will find, before it finds it, and be scored against the estimate.

A Polymarket and Hyperliquid outcome-market terminal built around copy and counter trades.

Polymarket and Kalshi in one browser desk, with copytrading and a shared portfolio.

Kalshi's macro, index, commodity and crypto contracts inside a tastytrade account.

Sports event contracts in the Underdog app, on its own exchange (UDX) and on Kalshi.

Hashdive's Polymarket trader scores and potential-insider flags, now at Unusual Whales.

Kalshi's event contracts inside the Webull app, at a flat two cents a contract per side.