Everything you need to trade
prediction markets with confidence
From your first contract to advanced arbitrage strategies — structured guides, interactive tools, and a complete reference library.
Choose your path
3 levelsNew to prediction markets
Understand how contracts work, what probability means, and how to place your first trade safely.
Ready to trade seriously
Compare platforms, find arbitrage, and apply structured trading strategies.
Optimise your edge
Systematic arbitrage, portfolio construction, and market making concepts.
All guides
7 totalKalshi vs. Polymarket: Which Platform Should You Use in 2026?
A complete side-by-side comparison of fees, market selection, regulation, and the best strategy for using both.
The Complete Beginner's Guide to Prediction Markets
What contracts are, how prices become probabilities, and how to place your first trade on Kalshi or Polymarket.
Prediction Markets: Frequently Asked Questions
Answers to the most common questions about how prediction markets work, deposits, taxes, and regulation.
The Complete Prediction Markets Glossary
Every term you'll encounter in prediction markets — from contract mechanics to trading jargon — explained clearly.
How to Read Prediction Market Probability Charts
Understand price history charts, volume spikes, and what market movements tell you about upcoming events.
How to Find and Trade Prediction Market Arbitrage
When Kalshi and Polymarket disagree on the same event, that's an opportunity. Here's how to find it and trade it safely.
7 Strategies for Profitable Prediction Market Trading
From fading overreactions to volume analysis — seven battle-tested approaches to finding edge in prediction markets.
Expected Value Calculator
InteractiveCalculate whether a trade has positive expected value before you place it. Adjust your probability estimate and see the EV update instantly.
Core concepts
Quick referencePrice = Probability
A contract at $0.67 means the market thinks there's a 67% chance the event happens.
Exit any time
You don't have to wait for resolution. If your contract moves in your favour, sell early and lock in profit.
Edge, not opinion
Profitable traders ask "is the market's probability wrong?" — not "what will happen?"
Arbitrage exists
The same event can be priced differently on Kalshi vs Polymarket. That gap is a potential risk-free profit.
Key terms
How prediction markets compare
Side-by-side with stocks, sports betting, options, polls, and fantasy sports.
Event trading playbooks
Structured strategies for Fed meetings, elections, Super Bowl, and the World Cup.
Ready to start trading?
See real-time probabilities from Kalshi and Polymarket — side by side, with arbitrage opportunities highlighted.